Port Saint Lucie weather in October

In October, Port Saint Lucie sees average daytime highs of 82°F and overnight lows near 75°F, with 4.0 in of rain across 12.2 wet days and about 11.3 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 83°F in the first days to 80°F by the end. The sky is clear or mostly clear about 37% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 42 min at the start of October to 11 hours by month's end. Set against the rest of the year, October is Port Saint Lucie's 6th-clearest and 6th-windiest month. For the whole year in context, see Port Saint Lucie's year-round climate.

Daytime high
82°
6th warmest
Overnight low
75°
8th coldest
Rainfall
4.0 in
12.2 wet days
Daylight
11 h 18 min
6:26 AM – 5:47 PM
Cloud cover
55%
6th clearest
Wind
10 mph
6th windiest
Solar energy
4.23 kWh/m²
Travel score
6.0
out of 10

Port Saint Lucie is city in St. Lucie County, Florida, United States.

Density
527/km²
people per km²
Founded
1961

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 83°F in the first days to 80°F by the end.

A typical October day in Port Saint Lucie reaches about 82°F in the afternoon and slips back to 75°F overnight — a 7°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 85°F. Set against its neighbours, October runs about 3°F cooler than September and about 5°F warmer than November.

60°70°80°151015202531
Avg high (°F)Avg low (°F)
18377
28377
38377
48377
58377
68376
78376
88376
98376
108276
118276
128276
138275
148275
158275
168275
178275
188174
198174
208174
218174
228174
238173
248073
258073
268073
278073
288073
298072
307972
317972

How October really feels in Port Saint Lucie

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Port Saint Lucie weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan72° / 62°2.07.110.57.2
Feb73° / 63°1.86.5117.5
Mar75° / 66°2.37.111.87.6
Apr78° / 70°2.27.112.67.3
May82° / 74°2.91013.36.4
Jun85° / 77°4.817.613.74.4
Jul86° / 79°3.618.213.54.0
Aug86° / 79°4.821133.7
Sep85° / 78°5.519.712.24.1
Oct82° / 75°4.012.211.36.0
Nov77° / 69°2.28.710.77.1
Dec74° / 65°1.67.310.37.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 20% of October, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24654
34654
44951
54951
65149
75248
85347
95446
105545
115743
125842
135842
145941
156040
166040
176040
186040
196139
206139
216139
226139
236139
246040
256040
266040
275941
285941
295941
305941
315941

Chance of precipitation in October

Any precipitation

Port Saint Lucie gets around 4.0 in of rain over 12.2 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
156
255
353
452
551
649
748
847
945
1044
1143
1242
1341
1440
1540
1639
1738
1838
1937
2036
2136
2235
2334
2434
2533
2633
2732
2831
2931
3030
3130

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the oppressive band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1006146515
2006156415
3017166214
4017176114
5018186013
6019195912
7019215712
80210225511
90211235410
100212245210
11131224519
12131325508
13141425497
14141526477
15151527466
16251627455
17261727444
18271728424
19371828413
20381828403
21381928393
22491928372
23492028362
245102028352
255102028342
265112129332
276112129322
286112130302
296122130292
307122230281
317122230271

Wind in October

Winds average 10 mph in October.

Across October, daily wind ranges from about 9 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze
3111light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over October. Sunrise moves from 6:18 AM to 6:36 AM, and sunset from 6:03 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:186:03
211.76:196:02
311.76:196:00
411.76:205:59
511.66:205:58
611.66:215:57
711.66:215:56
811.66:225:55
911.56:225:54
1011.56:235:53
1111.56:235:52
1211.46:245:51
1311.46:255:50
1411.46:255:49
1511.46:265:48
1611.36:265:47
1711.36:275:46
1811.36:275:45
1911.36:285:44
2011.26:295:43
2111.26:295:42
2211.26:305:41
2311.26:315:40
2411.16:315:39
2511.16:325:38
2611.16:335:38
2711.16:335:37
2811.06:345:36
2911.06:355:35
3011.06:355:35
3111.06:365:34

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.23 kWh/m².

For context, solar energy here swings from a low near 3.08 kWh/m² to a high of 6.42 kWh/m² in May across the year — October's 4.23 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.0Bright
254.0Bright
264.0Moderate
274.0Moderate
283.9Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in October

Hazard calendar for Port Saint Lucie

In seasonPeak

In October, Port Saint Lucie sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Port Saint Lucie sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Port Saint Lucie?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.0
Sightseeing
8th-best month of the year
6.4
Beach & pool
5th-best month of the year

October is a reasonable time to visit Port Saint Lucie for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Port Saint Lucie in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Port Saint Lucie sees daytime highs around 82°F and nights near 75°F. Pack light clothes. Worth having: rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Port Saint Lucie in October

The nearest coast averages about 82°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 mi away) is warmest in August at about 84°F and coldest in February near 74°F.

The water stays above 68°F all year — warm enough for a swim any month.

75°80°85°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan74Refreshing
Feb74Refreshing
Mar74Refreshing
Apr76Warm
May79Warm
Jun82Warm
Jul83Tropical
Aug84Tropical
Sep84Tropical
Oct82Warm
Nov79Warm
Dec77Warm

UV index in Port Saint Lucie in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Port Saint Lucie peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 13UV 11Dec 18UV 5
UV index (midday)Level
Jan5High
Feb7High
Mar9Very high
Apr9Very high
May10Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep9Very high
Oct8Very high
Nov6High
Dec4Moderate

Air quality in Port Saint Lucie in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Port Saint Lucie is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1819 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar11Good
Apr11Good
May11Good
Jun15Moderate
Jul20Moderate
Aug17Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Port Saint Lucie?

Port Saint Lucie sits at 27.3°N, 80.4°W, 16 ft above sea level, in United States. The nearest listed city is Stuart, 8.7 mi away.

Topography around Port Saint Lucie

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Port Saint Lucie.

Within 2 miles, the terrain around Port Saint Lucie has only modest variations in elevation — a maximum elevation change of 43 ft around an average of 20 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 144 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 200 ft.

The land around Port Saint Lucie is covered by artificial surfaces (50%) and trees (31%) within 2 miles, grassland (30%) and trees (27%) within 10 miles, and water (39%) and grassland (25%) within 50 miles.

2 miles
43 ft
10 miles
144 ft
50 miles
200 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
October weather nearby: Stuart 8.7 mi · Palm City 9.9 mi · Fort Pierce 11 mi · Florida Ridge 20 mi · Vero Beach South 22 mi · Vero Beach 24 mi · Jupiter 29 mi · The Acreage 35 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Port Saint Lucie (27.2939°, -80.3503°, elevation 16 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).