See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
24°
Clear
Feels Like: 25°
Min: 22°
Max: 37°
The next few hours will be clear, with today reaching 37°C and dropping to 24°C. The coming days will be mostly clear throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:47
Sunrise
19:01
Sunset
Moon
Waxing Crescent
11:32
Moonrise
20:40
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Glen Carbon today, September 15, 2026
Plan for bright conditions in Glen Carbon on September 15, 2026, though cloud cover thickens for a spell near 16:00. The day as a whole still leans toward sunshine. Expect a brighter morning, with limited cloud around 0% by 07:00. Conditions start on a settled note.
Temperatures climb from an overnight low near 22°C toward a daytime high of about 37°C. Moisture in the air spans 32%-84%, with the highest values around 07:00. Expect gentle winds, highest near 10:00 at 5.7 km/h.
Afternoon conditions open up, holding cloud close to 18% near 16:00. The day finishes on a milder, brighter note. Horizontal visibility holds close to 16.1 km. The sun rises at 06:47 and sets at 19:01, for a total of 12 hours 14 minutes of sunlight today.
Overall, Glen Carbon on September 15, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 37°C.
Frequently asked questions about weather in Glen Carbon
How warm does it get in Glen Carbon?
The warmest month in Glen Carbon is July, with average high temperatures of 31°C. The average temperature during this period is around 26°C.
How cold does it get in Glen Carbon?
The coldest month in Glen Carbon 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 Glen Carbon?
The wettest month in Glen Carbon is April, with an average of 140mm of precipitation.
What is the driest time of year in Glen Carbon?
The driest month in Glen Carbon is December, with an average of 63mm of precipitation.
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