Light rain 19°

Light rain, feels like 18°.

Decatur, Illinois, United States · Tuesday, 3 November 2026 20:30 local time

Low/High
17°/22°
Humidity
87%
Visibility
15.0 km
Wind
23.0 km/h
Dew point
17°
UV
0.0

Next 24 Hours

Decatur Hourly Weather

Decatur 7-Day Forecast

Decatur 7-Day Forecast
DateLow/HighWeatherChance of rainWindSummary
17 °/22 ° Light showers Light showers 100% 28 km/h
Today Weather

Low/High17°/22°

Humidity82%

Pressure987 hPa

Sunrise/Sunset

10 °/18 ° Light showers Light showers 100% 31 km/h
Wed 4 Nov Weather

Low/High10°/18°

Humidity88%

Pressure983 hPa

Sunrise/Sunset

8 °/16 ° Light rain Light rain 0% 29 km/h
Thu 5 Nov Weather

Low/High8°/16°

Humidity73%

Pressure987 hPa

Sunrise/Sunset

4 °/10 ° Overcast Overcast 10% 22 km/h
Fri 6 Nov Weather

Low/High4°/10°

Humidity68%

Pressure994 hPa

Sunrise/Sunset

2 °/11 ° Overcast Overcast 0% 17 km/h
Sat 7 Nov Weather

Low/High2°/11°

Humidity54%

Pressure998 hPa

Sunrise/Sunset

2 °/14 ° Partly cloudy Partly cloudy 0% 12 km/h
Sun 8 Nov Weather

Low/High2°/14°

Humidity44%

Pressure999 hPa

Sunrise/Sunset

5 °/17 ° Partly cloudy Partly cloudy 0% 18 km/h
Mon 9 Nov Weather

Low/High5°/17°

Humidity40%

Pressure997 hPa

Sunrise/Sunset

Decatur Weather Summary

Decatur, Tuesday 3 November 2026: light rain, 19°C (feels like 18°C), with a range of 17–22°C today. The highest chance of rain in the next 24 hours is 100%, around 20:00 local time. Tomorrow: light showers, 10–18°C — see weather tomorrow or the hourly forecast.

Tip: take an umbrella or a rain jacket.

Updated at 20:33 local time, 3 November 2026

Decatur Hourly Temperature and Chance of Rain

Decatur Temperature and Chance of Rain, Next Days

About Decatur

Decatur is a city in Illinois, the United States. The forecast uses the local point at 39.84°N, 88.95°W, about 206 m above sea level. Local time is UTC−6 (America/Chicago). Data combine the ECMWF, ICON and GFS weather models and refresh every 15 minutes; for official warnings, follow the national weather service.

Decatur Air Quality

Good · AQI 37

Air quality is good and poses little or no risk for outdoor activity.

PM2.5 (µg/m³)3.3
PM10 (µg/m³)4.2
O₃ (µg/m³)72
NO₂ (µg/m³)2.4
SO₂ (µg/m³)0.6
CO (µg/m³)145
Windy Map