Pasadena weather in October

In October, Pasadena sees average daytime highs of 66°F and overnight lows near 55°F, with 3.9 in of rain across 8.2 wet days and about 11 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 71°F in the first days to 61°F by the end. The sky is clear or mostly clear about 43% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 24 min by month's end. Set against the rest of the year, October is Pasadena's 1st-clearest and 7th-windiest month. For the whole year in context, see Pasadena's year-round climate.

Daytime high
66°
6th warmest
Overnight low
55°
7th coldest
Rainfall
3.9 in
8.2 wet days
Daylight
11 hours
6:23 AM – 5:20 PM
Cloud cover
51%
1st clearest
Wind
9 mph
7th windiest
Solar energy
3.32 kWh/m²
Travel score
6.3
out of 10

Pasadena is census-designated place in the U.S. state of Maryland.

Density
582/km²
people per km²

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 71°F in the first days to 61°F by the end.

A typical October day in Pasadena reaches about 66°F in the afternoon and slips back to 55°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 74°F. Set against its neighbours, October runs about 11°F cooler than September and about 11°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17160
27160
37160
47059
57059
66958
76958
86958
96857
106857
116856
126756
136756
146755
156655
166654
176554
186554
196553
206453
216452
226452
236352
246351
256251
266251
276250
286150
296149
306049
316049

How October really feels in Pasadena

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.

Pasadena weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan41° / 31°3.592.79.60.1
Feb43° / 32°3.392.810.50.6
Mar51° / 38°4.410.91.611.72.4
Apr61° / 49°3.710.20.1135.1
May70° / 58°3.810.8014.16.4
Jun79° / 68°3.610.8014.76.4
Jul84° / 73°4.211.7014.55.4
Aug82° / 72°4.010.2013.56.1
Sep76° / 66°4.69.2012.37.0
Oct66° / 55°3.98.20116.3
Nov55° / 44°3.38.10.19.93.7
Dec46° / 36°4.19.51.39.31.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35644
45644
55644
65743
75743
85743
95743
105644
115644
125644
135644
145743
155743
165743
175743
185743
195743
205743
215644
225644
235644
245644
255644
265545
275545
285545
295545
305446
315446

Chance of precipitation in October

Any precipitation

Pasadena gets around 3.9 in of rain over 8.2 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 27% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
328
428
528
627
727
827
927
1027
1127
1227
1327
1428
1528
1627
1727
1827
1927
2027
2127
2227
2327
2427
2527
2627
2727
2826
2926
3026
3126

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 68% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1441918162
2461918152
3481917142
4491917132
5521916112
6531916102
754201592
856201482
958191472
1059191372
1160191362
1263181252
1364181242
1465181142
1568171131
1669161131
1771161021
1872151021
197514920
207713910
217813810
227912810
238012710
248111710
258211610
268211610
278211610
288311510
298311510
308511400
318610400

Wind in October

Winds average 9 mph in October.

Across October, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over October. Sunrise moves from 6:07 AM to 6:39 AM, and sunset from 5:43 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:075:43
211.66:085:42
311.56:095:40
411.56:105:38
511.46:115:37
611.46:125:35
711.36:135:34
811.36:145:32
911.36:155:30
1011.26:165:29
1111.26:175:27
1211.16:185:26
1311.16:195:24
1411.06:215:23
1511.06:225:21
1611.06:235:20
1710.96:245:19
1810.96:255:17
1910.86:265:16
2010.86:275:14
2110.86:285:13
2210.76:295:12
2310.76:305:10
2410.66:315:09
2510.66:325:08
2610.66:335:07
2710.56:355:05
2810.56:365:04
2910.46:375:03
3010.46:385:02
3110.46:395:01

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.32 kWh/m².

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 6.1 kWh/m² in June across the year — October's 3.32 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.4Moderate
163.3Moderate
173.3Moderate
183.3Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.1Moderate
233.1Moderate
243.0Moderate
253.0Moderate
263.0Moderate
273.0Moderate
282.9Moderate
292.9Moderate
302.9Moderate
312.8Moderate
Planning a trip in October

Hazard calendar for Pasadena

In seasonPeak

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

Pasadena 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 Pasadena?

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

6.3
Sightseeing
4th-best month of the year
2.6
Beach & pool
6th-best month of the year

October is a reasonable time to visit Pasadena for sightseeing.

What to pack for Pasadena in October

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

In October, Pasadena sees daytime highs around 66°F and nights near 55°F. Worth packing: rain gear. About 8 days see rain.

rain gear

Sea temperature near Pasadena in October

The nearest coast averages about 65°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 11 mi away) is warmest in August at about 78°F and coldest in February near 36°F.

It's comfortable for a long swim from Jun 16 to Oct 5 — about 3.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar40Bracing
Apr47Bracing
May58Bracing
Jun68Refreshing
Jul76Warm
Aug78Warm
Sep74Refreshing
Oct65Cool
Nov53Bracing
Dec44Bracing

UV index in Pasadena in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pasadena peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 10UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug6High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Pasadena 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 Pasadena is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1216 µg/m³Nov 118 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug14Moderate
Sep12Good
Oct9Good
Nov8Good
Dec10Good
Location & terrain

Where is Pasadena?

Pasadena sits at 39.1°N, 76.6°W, 82 ft above sea level, in United States. The nearest listed city is Green Haven, 1.9 mi away.

Topography around Pasadena

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

Within 2 miles, the terrain around Pasadena has only modest variations in elevation — a maximum elevation change of 210 ft around an average of 95 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 394 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,316 ft.

The land around Pasadena is covered by trees (75%) within 2 miles, trees (53%) and water (24%) within 10 miles, and trees (53%) within 50 miles.

2 miles
210 ft
10 miles
394 ft
50 miles
1,316 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Green Haven 1.9 mi · South Gate 3.1 mi · Severna Park 3.7 mi · Glen Burnie 4.3 mi · Lake Shore 5.0 mi · Ferndale 5.6 mi · Severn 6.8 mi · Arnold 6.8 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 Pasadena (39.119°, -76.5711°, elevation 82 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).