See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
25°
Overcast
Feels Like: 26°
Min: 24°
Max: 36°
The next few hours will be overcast, with today reaching 36°C and dropping to 25°C. The coming days will be partly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:48
Sunrise
19:00
Sunset
Moon
Waxing Crescent
12:36
Moonrise
21:13
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
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UV Index
Humidity
Weather in East Saint Louis today, September 16, 2026
Cloud cover dominates in East Saint Louis on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Expect a grey start, with morning cloud around 100% by 08:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 36°C and cooler readings close to 24°C. Moisture in the air spans 44%-91%, with the highest values around 23:00. Winds stay light, near 7.3 km/h by 17:00, so the day feels still more than breezy.
Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.8 km, briefly nearer 14.5 km. Expect sunrise at 06:48, sunset at 19:00, and 12 hours 11 minutes of sunlight today overall.
Taken together, overcast skies in East Saint Louis on September 16, 2026 favour indoor or covered options, with temperatures near 36°C.
Frequently asked questions about weather in East Saint Louis
How warm does it get in East Saint Louis?
The warmest month in East Saint Louis is July, with average high temperatures of 32°C. The average temperature during this period is around 27°C.
How cold does it get in East Saint Louis?
The coldest month in East Saint Louis is January, with average low temperatures of -3°C. The average temperature during this period is around 0°C.
What is the wettest time of year in East Saint Louis?
The wettest month in East Saint Louis is April, with an average of 136mm of precipitation.
What is the driest time of year in East Saint Louis?
The driest month in East Saint Louis is December, with an average of 65mm of precipitation.
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