Weather in Granite City, United States 🇺🇸
As of now, Granite City is 21°C and clear, feeling like 23°C. Relative humidity is 85%, with winds around 7 km/h, and the UV index is 0 (low). Across the coming days, Granite City should see roughly 19°C to 35°C.
Hourly Forecast for Granite City
14-Day Forecast for Granite City
Sunny
Patchy rain nearby
Overcast
Overcast
Overcast
Sunny
Sunny
Sunny
Patchy rain nearby
Sunny
Sunny
Sunny
Sunny
Sunny
Additional Forecasts for Granite City
Air Quality
Historical Weather
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Best Time to Be Outside in Granite City Today
The most comfortable window in Granite City today looks like 17:00 to 20:00, when it is around 32°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Granite City
What is the temperature in Granite City right now?
Granite City is sitting at 21°C (71°F) right now, clear (feels like 23°C).
What's the weather like in Granite City right now?
Conditions in Granite City right now: Clear, humidity 85%, wind 7 km/h ENE.
What is today's forecast for Granite City?
Today in Granite City: high 35°C, low 19°C, sunny. Chance of rain: 4%.
What is the 7-day weather forecast for Granite City?
Daily highs and lows for Granite City:
- 2026-08-21: 35°C / 19°C
- 2026-08-22: 31°C / 22°C
- 2026-08-23: 28°C / 20°C
- 2026-08-24: 28°C / 18°C
- 2026-08-25: 31°C / 20°C
- 2026-08-26: 34°C / 23°C
- 2026-08-27: 32°C / 22°C
Is it going to rain in Granite City today?
There is a 4% chance of rain in Granite City today.
What is the wind speed in Granite City right now?
Wind in Granite City is currently 7 km/h (4 mph) from the ENE.
What is the UV index in Granite City right now?
The UV index in Granite City is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
