West Chicago weather in March

In March, West Chicago sees average daytime highs of 46°F and overnight lows near 29°F, with 2.6 in of precipitation across 9.6 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 40°F in the first days to 52°F by the end. The sky is clear or mostly clear about 23% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is West Chicago's 8th-clearest and 3rd-windiest month. For the whole year in context, see West Chicago's year-round climate.

Daytime high
46°
9th warmest
Overnight low
29°
4th coldest
Precipitation
2.6 in
9.6 wet days
Daylight
11 h 42 min
6:13 AM – 5:52 PM
Cloud cover
66%
8th clearest
Wind
8 mph
3rd windiest
Solar energy
4 kWh/m²
Travel score
1.4
out of 10

West Chicago is city in DuPage County, Illinois, United States.

Density
700/km²
people per km²
Founded
1873

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 40°F in the first days to 52°F by the end.

A typical March day in West Chicago reaches about 46°F in the afternoon and slips back to 29°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 32°F and 63°F. Set against its neighbours, March runs about 12°F warmer than February and about 12°F cooler than April.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
13924
24024
34024
44125
54125
64225
74226
84326
94327
104427
114428
124528
134528
144629
154629
164729
174730
184730
194831
204831
214931
224932
235032
245032
255033
265133
275133
285233
295234
305334
315334

How March really feels in West Chicago

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 31 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
31
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

West Chicago weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 16°2.17.95.79.30.0
Feb34° / 20°1.974.910.30.0
Mar46° / 29°2.69.63.111.71.4
Apr58° / 39°4.512113.14.1
May69° / 50°4.612.5014.36.0
Jun79° / 60°4.212.30156.3
Jul82° / 65°3.711.2014.76.1
Aug80° / 62°3.710.6013.76.5
Sep74° / 55°3.18.4012.37.1
Oct61° / 43°3.190.210.95.2
Nov47° / 32°2.481.59.61.5
Dec35° / 22°2.284.490.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33763
43664
53664
63763
73763
83961
93961
104060
113961
123961
133961
144060
154060
164060
174060
184060
193862
203862
213862
223763
233763
243565
253565
263565
273466
283466
293466
303367
313367

Chance of precipitation in March

Any precipitationSnow

West Chicago gets around 2.6 in of rain and snow over 9.6 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 31% and peaks near 36% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13017
23016
33016
43015
53015
63014
72914
82913
92913
102812
112812
122811
132811
142911
152910
162910
172910
18299
19309
20309
21318
22328
23327
24337
25347
26346
27356
28355
29355
30365
31365

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
11991
12991
13991
14991
15991
16991
17991
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28982
29982
30982
31982

Wind in March

Winds average 8 mph in March.

Across March, daily wind ranges from about 8 mph on the calmest days to 8 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
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 54 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over March. Sunrise moves from 6:38 AM to 5:47 AM, and sunset from 5:34 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:385:34
211.06:365:35
311.06:355:37
411.16:335:38
511.16:315:39
611.26:305:40
711.26:285:41
811.36:275:43
911.36:255:44
1011.46:235:45
1111.46:225:46
1211.56:205:47
1311.56:185:49
1411.66:165:50
1511.66:155:51
1611.76:135:52
1711.76:115:53
1811.76:095:54
1911.86:085:55
2011.86:065:57
2111.96:045:58
2211.96:025:59
2312.06:016:00
2412.05:596:01
2512.15:576:02
2612.15:556:03
2712.25:546:04
2812.25:526:06
2912.35:506:07
3012.35:486:08
3112.45:476:09

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4 kWh/m².

For context, solar energy here swings from a low near 1.62 kWh/m² to a high of 6.3 kWh/m² in June across the year — March's 4 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.5Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.8Moderate
103.9Moderate
113.9Moderate
123.9Moderate
134.0Moderate
144.0Moderate
154.0Bright
164.0Bright
174.1Bright
184.1Bright
194.1Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in March

Is March a good time to visit West Chicago?

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

1.4
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in West Chicago.

What to pack for West Chicago in March

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

In March, West Chicago sees daytime highs around 46°F and nights near 29°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 10 days see rain.

a warm layera heavy coatrain gear

Sea temperature near West Chicago in March

The nearest coast averages about 36°F in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 mi away) is warmest in August at about 73°F and coldest in February near 36°F.

It's comfortable for a long swim from Jul 13 to Sep 15 — about 2.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr39Bracing
May45Bracing
Jun57Bracing
Jul70Refreshing
Aug73Refreshing
Sep68Refreshing
Oct58Bracing
Nov49Bracing
Dec42Bracing

UV index in West Chicago in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 West Chicago peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 20UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in West Chicago in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in West Chicago is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1817 µg/m³Oct 229 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar16Moderate
Apr14Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct9Good
Nov10Good
Dec11Good
Location & terrain

Where is West Chicago?

West Chicago sits at 41.9°N, 88.2°W, 784 ft above sea level, in United States. The nearest listed city is Carol Stream, 4.3 mi away.

Topography around West Chicago

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

Within 2 miles, the terrain around West Chicago has only modest variations in elevation — a maximum elevation change of 138 ft around an average of 758 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 341 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 892 ft.

The land around West Chicago is covered by trees (48%) and artificial surfaces (26%) within 2 miles, trees (38%), artificial surfaces (29%) and grassland (25%) within 10 miles, and cropland (40%) within 50 miles.

2 miles
138 ft
10 miles
341 ft
50 miles
892 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Carol Stream 4.3 mi · Wheaton 5.0 mi · Geneva 5.0 mi · St. Charles 5.6 mi · Batavia 6.2 mi · Glen Ellyn 6.8 mi · Naperville 7.5 mi · Glendale Heights 7.5 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 West Chicago (41.8847°, -88.204°, elevation 784 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).