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Weather for Granite City, ILGranite City, IL Weather & Current Conditions

62090 Weather (Granite City, IL)

Granite City, IL WeatherCurrent Conditions and Weather for Granite City, Illinois
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Clear at Granite City (62090), temperature is 50°F10°C, dew point 49°F9°C, humidity 96%. Wind direction is N at 0 mphat 0 km/h with visibility of 10 mi16 km. Barometric pressure is 30.24 in1024 mb. Last update: 2:49 am.*
*Time is approximately 2:49 am Mon, Oct 05, 2026. Time will be within 15 minutes of current local time. Granite City weather forecast data is updated every 15 minutes.

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It only rains straight down. God doesn't do windows. ―Steven Wright
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Granite City IL Weather - 3:49 am

Granite City Weather Forecast

Weather forecast for: Granite City IL
Last Update: 2:31 am CDT Oct 5, 2026
Overnight: Clear, with a low around 54. Calm wind becoming north around 5 mph.
Monday: Sunny, with a high near 79. Northeast wind 3 to 6 mph.
Monday Night: Clear, with a low around 52. Light east wind.
Tuesday: Sunny, with a high near 82. Calm wind becoming south around 6 mph in the morning.
Tuesday Night: Clear, with a low around 58. South wind 3 to 5 mph.
Wednesday: Sunny, with a high near 88.
Wednesday Night: Mostly clear, with a low around 59.
Thursday: Sunny, with a high near 85.
Thursday Night: Mostly clear, with a low around 59.
Friday: Sunny, with a high near 85.
Friday Night: Mostly clear, with a low around 58.
Saturday: Sunny, with a high near 87.
Saturday Night: Mostly clear, with a low around 62.
Sunday: Sunny, with a high near 87.

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