West Chicago weather in February: West Chicago, Illinois: normal highs, lows, rain and records for February
West Chicago in February has a normal high of 35°F and a normal low of 19°F, a daily mean of 27°F, rising from 31°F on the 1st to 40°F by the 29th. Measurable precipitation falls on 7 days in a normal February, 1.24 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 2°C and low of −7°C, 31 mm of precipitation in February.
- 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 February?
The normal high is 35°F and the normal low 19°F, for a daily mean of 27.0°F. February is 3.7°F warmer than January and 10.7°F cooler than March. February is the 11th warmest month of the year in West Chicago and the 12th wettest. Across the month the normal high rises 9°F, from 31°F on February 1 to 40°F on February 29. From one year to the next February's mean temperature typically moves about 5.8°F either way (NOAA's standard deviation), so roughly two Februarys in three average between 21°F and 33°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 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| February 1 | 31°F | 16°F | 26% | 10% |
| February 8 | 33°F | 17°F | 26% | 10% |
| February 15 | 35°F | 19°F | 25% | 11% |
| February 22 | 37°F | 21°F | 26% | 12% |
| February 28 | 40°F | 23°F | 26% | 13% |
Every day of February: normal high, low and chance of precipitation (warmest afternoon February 29, coldest night February 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| February 1 | 31°F | 16°F | 26% | 10% | 10 h |
| February 2 | 31°F | 16°F | 26% | 10% | 10 h |
| February 3 | 32°F | 16°F | 26% | 10% | 10 h |
| February 4 | 32°F | 16°F | 26% | 10% | 10 h 10 min |
| February 5 | 32°F | 17°F | 26% | 10% | 10 h 10 min |
| February 6 | 32°F | 17°F | 26% | 10% | 10 h 10 min |
| February 7 | 32°F | 17°F | 26% | 10% | 10 h 10 min |
| February 8 | 33°F | 17°F | 26% | 10% | 10 h 20 min |
| February 9 | 33°F | 17°F | 26% | 10% | 10 h 20 min |
| February 10 | 33°F | 18°F | 26% | 11% | 10 h 20 min |
| February 11 | 34°F | 18°F | 26% | 11% | 10 h 20 min |
| February 12 | 34°F | 18°F | 26% | 11% | 10 h 30 min |
| February 13 | 34°F | 18°F | 26% | 11% | 10 h 30 min |
| February 14 | 34°F | 19°F | 25% | 11% | 10 h 30 min |
| February 15 | 35°F | 19°F | 25% | 11% | 10 h 30 min |
| February 16 | 35°F | 19°F | 25% | 11% | 10 h 40 min |
| February 17 | 35°F | 19°F | 25% | 11% | 10 h 40 min |
| February 18 | 36°F | 20°F | 25% | 12% | 10 h 40 min |
| February 19 | 36°F | 20°F | 25% | 12% | 10 h 40 min |
| February 20 | 37°F | 20°F | 25% | 12% | 10 h 50 min |
| February 21 | 37°F | 21°F | 26% | 12% | 10 h 50 min |
| February 22 | 37°F | 21°F | 26% | 12% | 10 h 50 min |
| February 23 | 38°F | 21°F | 26% | 12% | 11 h |
| February 24 | 38°F | 22°F | 26% | 12% | 11 h |
| February 25 | 39°F | 22°F | 26% | 13% | 11 h |
| February 26 | 39°F | 22°F | 26% | 13% | 11 h |
| February 27 | 39°F | 23°F | 26% | 13% | 11 h 10 min |
| February 28 | 40°F | 23°F | 26% | 13% | 11 h 10 min |
| February 29 | 40°F | 23°F | 26% | 13% | 11 h 10 min |
- Normal high
- 35°FFebruary average
- Normal low
- 19°FFebruary average
- Precipitation
- 1.24 inmonth total
- Days with precipitation
- 70.01 inch or more
- Nights at 32°F or colder
- 26
- Daylight
- 10 h to 11 h 10 minFebruary 1 to February 28
- Sunshine
- 65%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 February?
On a given February day the chance of 0.01 inch or more is 26% on average, highest around February 29 (26%). In all, 1.24 in falls on 7 days of a normal February.
In a normal February in West Chicago, 26 nights fall to freezing and 12 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094892.
How humid and windy is West Chicago in February?
At 3 p.m. the normal temperature is 37°F with 59% relative humidity and a dew point of 24°F; at 6 a.m. it is 26°F with 81% humidity. The wind averages 10.8 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 26°F | 21°F | 81% | 9.4 mph | 47% |
| 9 a.m. | 30°F | 23°F | 74% | 11.5 mph | 47% |
| noon | 35°F | 23°F | 63% | 12.8 mph | 46% |
| 3 p.m. | 37°F | 24°F | 59% | 13.1 mph | 47% |
| 6 p.m. | 33°F | 24°F | 68% | 11.0 mph | 48% |
| 9 p.m. | 30°F | 23°F | 76% | 9.8 mph | 53% |
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 February in West Chicago?
The warmest February temperature on this station's record (since 1997) is 74°F, on February 27, 2024; the coldest is −20°F, on February 10, 2011. The wettest February brought 3.18 in (2023).
The February mean against the 1991-2020 normal of 27.0°F: 2021 16.0°F (−11.0), 2022 25.1°F (−1.9), 2023 32.0°F (+5.0), 2024 37.4°F (+10.4), 2025 25.5°F (−1.5), 2026 30.8°F (+3.8). 3 of 6 ran warmer than normal.
| February | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 16.0°F | −11.0°F | 0.42 in |
| 2022 | 25.1°F | −1.9°F | 1.99 in |
| 2023 | 32.0°F | +5.0°F | 3.18 in |
| 2024 | 37.4°F | +10.4°F | 0.38 in |
| 2025 | 25.5°F | −1.5°F | 0.23 in |
| 2026 | 30.8°F | +3.8°F | 0.08 in |
Source: records: ACIS, station USW00094892; recent months: ACIS, station USW00094892. Records and recent months use complete months only.
How does February in West Chicago compare across Illinois?
Across the 144 places PlainClimate covers in Illinois, February normal highs run from 31°F in Galena to 50°F in Anna; West Chicago's is 35°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.