Illinois Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Illinois

Illinois temperature today is 15°, feels like 15°, with a humidity level of 79% and wind at 7.13 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Illinois: expect a high of 25° and a low of 17°, with overcast clouds.

scattered clouds
15°
scattered clouds
H: 15° L: 15°
Feels like 15°
AQI: Good (1/5)
Humidity
79%
Dew 12°
Wind speed
7.13 km/h
SSE · G16.56
Pressure
1017 hPa
Visibility
10 km
Weather Summary
Currently in Illinois, expect varied conditions with mild temperatures around 15°. Winds are a light breeze.
Precipitation Probability
0%
10
0%
13
0%
16
0%
19
0%
22
0%
01
0%
04
0%
07
0%
10
0%
13
0%
16
0%
19
0%
22
29%
01
20%
04
99%
07
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
18°
Tue
10:00
25°
 
27°
 
20°
 
17°
Tue
22:00
17°
 
17°
 
17°
 
21°
Wed
10:00
24°
 
25°
 
21°
 
19°
Wed
22:00
19°
 
21°
 
21°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:51
Sunset
Sunset
18:43
Moon Phase
Waning Gibbous (84%)
Timezone: GMT+05:30
Last updated: Sep 29, 2026 7:27 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
40.000320
Longitude
Longitude
-89.250366
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More about Illinois
Content curated by the NearWeather editorial team · Updated periodically
Illinois is a state in the Midwestern United States. It has a varied climate with hot summers, cold winters, and moderate spring and fall seasons. The climate is very humid in the summer and temperatures can reach into the 90s (Fahrenheit). Winter temperatures can drop into the teens during the coldest months. Average temperatures year-round range from the mid-20s to the mid-70s.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Illinois
What is the temperature in Illinois right now?

The current temperature in Illinois is 15°, and it feels like 15°. Today's high is 15° and the low is 15°.

Will it rain in Illinois today?

No rain is expected in Illinois today (0% chance). Conditions are currently scattered clouds.

What is the weather in Illinois today?

Illinois is experiencing scattered clouds with a temperature of 15°. Humidity is at 79% and wind speed is 7.13 km/h from the SSE.

What is the humidity in Illinois today?

Humidity in Illinois is 79% right now, with a dew point of 12°. Comfort levels are moderate.

What is the wind speed in Illinois today?

Wind speed in Illinois is 7.13 km/h, flowing at 148° SSE wind direction. Gusts up to 16.56 km/h.

What is the 5-day forecast for Illinois?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Illinois. Today's high is 15° and low is 15°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Illinois today?

It feels like 15° in Illinois today, with 44% cloud cover and 10 km visibility.

Weather in Illinois