West Chicago weather in April: West Chicago, Illinois: normal highs, lows, rain and records for April
West Chicago in April has a normal high of 60°F and a normal low of 38°F, a daily mean of 49°F, rising from 54°F on the 1st to 65°F by the 30th. Measurable precipitation falls on 12 days in a normal April, 3.44 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 15°C and low of 3°C, 87 mm of precipitation in April.
- NOAA stationWest Chicago Dupage Airport
- Station IDUSW00094892
- Location41.91°N 88.25°W
- Elevation754 ft (230 m)
- From the center2 miles
- Population25,469
- Jan 31° 16°
- Feb 35° 19°
- Mar 47° 28°
- Apr 60° 38°
- May 71° 49°
- Jun 81° 59°
- Jul 84° 63°
- Aug 82° 62°
- Sep 76° 54°
- Oct 62° 42°
- Nov 48° 31°
- Dec 35° 21°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is West Chicago in April?
The normal high is 60°F and the normal low 38°F, for a daily mean of 48.8°F. April is 11.1°F warmer than March and 11.0°F cooler than May. April is the 7th warmest month of the year in West Chicago and the 5th wettest. Across the month the normal high rises 11°F, from 54°F on April 1 to 65°F on April 30. From one year to the next April's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 46°F and 52°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 42%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 54°F | 33°F | 35% | 21% |
| April 8 | 57°F | 35°F | 37% | 23% |
| April 15 | 60°F | 38°F | 39% | 24% |
| April 22 | 62°F | 40°F | 41% | 26% |
| April 30 | 65°F | 43°F | 42% | 27% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 54°F | 33°F | 35% | 21% | 12 h 40 min |
| April 2 | 54°F | 34°F | 35% | 21% | 12 h 40 min |
| April 3 | 55°F | 34°F | 35% | 22% | 12 h 50 min |
| April 4 | 55°F | 34°F | 36% | 22% | 12 h 50 min |
| April 5 | 56°F | 35°F | 36% | 22% | 12 h 50 min |
| April 6 | 56°F | 35°F | 36% | 22% | 12 h 50 min |
| April 7 | 56°F | 35°F | 36% | 22% | 13 h |
| April 8 | 57°F | 35°F | 37% | 23% | 13 h |
| April 9 | 57°F | 36°F | 37% | 23% | 13 h |
| April 10 | 58°F | 36°F | 37% | 23% | 13 h |
| April 11 | 58°F | 36°F | 37% | 23% | 13 h 10 min |
| April 12 | 58°F | 37°F | 38% | 23% | 13 h 10 min |
| April 13 | 59°F | 37°F | 38% | 24% | 13 h 10 min |
| April 14 | 59°F | 37°F | 38% | 24% | 13 h 20 min |
| April 15 | 60°F | 38°F | 39% | 24% | 13 h 20 min |
| April 16 | 60°F | 38°F | 39% | 24% | 13 h 20 min |
| April 17 | 60°F | 38°F | 39% | 24% | 13 h 20 min |
| April 18 | 61°F | 39°F | 39% | 25% | 13 h 30 min |
| April 19 | 61°F | 39°F | 40% | 25% | 13 h 30 min |
| April 20 | 61°F | 39°F | 40% | 25% | 13 h 30 min |
| April 21 | 62°F | 40°F | 40% | 25% | 13 h 30 min |
| April 22 | 62°F | 40°F | 41% | 26% | 13 h 40 min |
| April 23 | 62°F | 40°F | 41% | 26% | 13 h 40 min |
| April 24 | 63°F | 41°F | 41% | 26% | 13 h 40 min |
| April 25 | 63°F | 41°F | 41% | 26% | 13 h 40 min |
| April 26 | 64°F | 41°F | 41% | 26% | 13 h 50 min |
| April 27 | 64°F | 42°F | 42% | 26% | 13 h 50 min |
| April 28 | 64°F | 42°F | 42% | 27% | 13 h 50 min |
| April 29 | 65°F | 43°F | 42% | 27% | 13 h 50 min |
| April 30 | 65°F | 43°F | 42% | 27% | 14 h |
- Normal high
- 60°FApril average
- Normal low
- 38°FApril average
- Precipitation
- 3.44 inmonth total
- Days with precipitation
- 120.01 inch or more
- Nights at 32°F or colder
- 8
- Daylight
- 12 h 40 min to 14 hApril 1 to April 30
- Days at 70°F or more
- 7
- Days at 80°F or more
- 2
- Sunshine
- 70%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094892; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in West Chicago in April?
On a given April day the chance of 0.01 inch or more is 39% on average, highest around April 30 (42%). In all, 3.44 in falls on 12 days of a normal April, 1 of them with an inch or more.
In a normal April in West Chicago, 8 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094892.
How humid and windy is West Chicago in April?
At 3 p.m. the normal temperature is 62°F with 49% relative humidity and a dew point of 43°F; at 6 a.m. it is 47°F with 80% humidity. The wind averages 10.5 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 47°F | 41°F | 80% | 8.7 mph | 59% |
| 9 a.m. | 56°F | 43°F | 61% | 11.8 mph | 58% |
| noon | 61°F | 43°F | 52% | 13.0 mph | 54% |
| 3 p.m. | 62°F | 43°F | 49% | 13.6 mph | 52% |
| 6 p.m. | 59°F | 42°F | 54% | 12.1 mph | 54% |
| 9 p.m. | 52°F | 41°F | 66% | 9.1 mph | 60% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094892. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for April in West Chicago?
The warmest April temperature on this station's record (since 1997) is 88°F, on April 18, 2002; the coldest is 16°F, on April 7, 2018. The wettest April brought 6.50 in (1999).
The April mean against the 1991-2020 normal of 48.8°F: 2021 50.5°F (+1.7), 2022 46.0°F (−2.8), 2023 49.9°F (+1.1), 2024 51.2°F (+2.4), 2025 50.1°F (+1.3), 2026 53.1°F (+4.3). 5 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.5°F | +1.7°F | 0.92 in |
| 2022 | 46.0°F | −2.8°F | 5.00 in |
| 2023 | 49.9°F | +1.1°F | 2.46 in |
| 2024 | 51.2°F | +2.4°F | 2.84 in |
| 2025 | 50.1°F | +1.3°F | 2.00 in |
| 2026 | 53.1°F | +4.3°F | 5.73 in |
Source: records: ACIS, station USW00094892; recent months: ACIS, station USW00094892. Records and recent months use complete months only.
How does April in West Chicago compare across Illinois?
Across the 144 places PlainClimate covers in Illinois, April normal highs run from 55°F in Waukegan to 71°F in Anna; West Chicago's is 60°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.