Valparaiso weather in October

In October, Valparaiso sees average daytime highs of 62°F and overnight lows near 46°F, with 3.3 in of precipitation across 10 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 68°F in the first days to 56°F by the end. The sky is clear or mostly clear about 34% 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 12 min by month's end. Set against the rest of the year, October is Valparaiso's 4th-clearest and 6th-windiest month. For the whole year in context, see Valparaiso's year-round climate.

Daytime high
62°
6th warmest
Overnight low
46°
7th coldest
Precipitation
3.3 in
10 wet days
Daylight
10 h 54 min
6:07 AM – 4:59 PM
Cloud cover
58%
4th clearest
Wind
10 mph
6th windiest
Solar energy
3.14 kWh/m²
Travel score
5.2
out of 10

Valparaiso is city in Porter County, Indiana, United States.

Density
809/km²
people per km²
Founded
1836

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 68°F in the first days to 56°F by the end.

A typical October day in Valparaiso reaches about 62°F in the afternoon and slips back to 46°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 50°F and 74°F. Set against its neighbours, October runs about 12°F cooler than September and about 14°F warmer than November.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16851
26851
36850
46750
56750
66649
76649
86649
96548
106548
116447
126447
136347
146346
156246
166246
176146
186145
196045
206045
215944
225944
235844
245843
255843
265743
275742
285642
295642
305541
315541

How October really feels in Valparaiso

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.

Valparaiso 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
Jan32° / 20°2.710.47.29.30.0
Feb35° / 22°2.185.310.30.0
Mar46° / 30°3.010.53.411.71.1
Apr58° / 41°4.212.41.113.13.9
May68° / 52°4.512.9014.35.9
Jun78° / 62°4.111.9014.96.3
Jul82° / 66°3.911.9014.76.2
Aug80° / 64°3.911.1013.76.5
Sep74° / 57°3.29.1012.37.0
Oct62° / 46°3.3100.210.95.2
Nov48° / 35°2.99.61.79.71.8
Dec37° / 26°2.49.34.99.10.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% of October, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35347
45347
55347
65248
75248
85248
95248
105248
115149
125248
135248
145149
155050
165050
174852
184753
194753
204654
214555
224456
234357
244357
254258
264258
274060
284060
294060
303961
313961

Chance of precipitation in October

Any precipitationSnow

Valparaiso gets around 3.3 in of rain and snow over 10 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 32% and peaks near 34% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
1310
2310
3310
4300
5300
6300
7300
8300
9300
10300
11300
12300
13300
14300
15310
16310
17310
18320
19320
20330
21331
22331
23331
24331
25341
26341
27341
28331
29332
30332
31332

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1731584
2751483
3761473
4771373
5771373
6791272
7801262
8811162
9831052
10831052
1186941
1286941
1388831
1488831
1589821
1690820
1791720
1891720
1991720
2092710
2192710
2292710
2392710
2493610
2593610
2693610
2793610
2893610
2994510
3094510
3194510

Wind in October

Winds average 10 mph in October.

Across October, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over October. Sunrise moves from 5:50 AM to 6:25 AM, and sunset from 5:24 PM to 4:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:505:24
211.55:515:22
311.55:535:21
411.45:545:19
511.45:555:17
611.35:565:15
711.35:575:14
811.25:585:12
911.25:595:10
1011.16:005:09
1111.16:025:07
1211.06:035:06
1311.06:045:04
1411.06:055:02
1510.96:065:01
1610.96:074:59
1710.86:084:58
1810.86:104:56
1910.76:114:55
2010.76:124:53
2110.66:134:52
2210.66:144:50
2310.66:164:49
2410.56:174:47
2510.56:184:46
2610.46:194:45
2710.46:204:43
2810.36:224:42
2910.36:234:41
3010.36:244:40
3110.26:254:38

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.14 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 6.55 kWh/m² in June across the year — October's 3.14 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
312.5Moderate
Planning a trip in October

Is October a good time to visit Valparaiso?

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

5.2
Sightseeing
6th-best month of the year
1.4
Beach & pool
6th-best month of the year

October is a reasonable time to visit Valparaiso for sightseeing.

What to pack for Valparaiso in October

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

In October, Valparaiso sees daytime highs around 62°F and nights near 46°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Valparaiso in October

The nearest coast averages about 58°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 19 mi away) is warmest in August at about 73°F and coldest in February near 35°F.

It's comfortable for a long swim from Jul 10 to Sep 16 — about 2.3 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb35Bracing
Mar35Bracing
Apr39Bracing
May46Bracing
Jun59Cool
Jul70Refreshing
Aug73Refreshing
Sep68Refreshing
Oct58Bracing
Nov49Bracing
Dec42Bracing

UV index in Valparaiso in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Valparaiso peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Valparaiso 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 Valparaiso is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr13Moderate
May15Moderate
Jun15Moderate
Jul17Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Valparaiso?

Valparaiso sits at 41.5°N, 87.1°W, 794 ft above sea level, in United States. The nearest listed city is Portage, 9.3 mi away.

Topography around Valparaiso

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

Within 2 miles, the terrain around Valparaiso has only modest variations in elevation — a maximum elevation change of 217 ft around an average of 774 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 315 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 689 ft.

The land around Valparaiso is covered by trees (46%), artificial surfaces (28%) and grassland (22%) within 2 miles, cropland (46%) and trees (30%) within 10 miles, and cropland (45%) and water (22%) within 50 miles.

2 miles
217 ft
10 miles
315 ft
50 miles
689 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Portage 9.3 mi · Hobart 11 mi · Merrillville 14 mi · Crown Point 16 mi · Gary 17 mi · Michigan City 18 mi · Griffith 19 mi · La Porte 21 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 Valparaiso (41.4731°, -87.0611°, elevation 794 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. 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).