Weather in Granite City, United States 🇺🇸
As of now, Granite City is 19°C and clear, feeling like 16°C. Relative humidity is 29%, with winds around 6 km/h, and the UV index is 0 (low). Across the coming days, Granite City should see roughly 16°C to 32°C.
Hourly Forecast for Granite City
14-Day Forecast for Granite City
Sunny
Overcast
Sunny
Sunny
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Patchy rain nearby
Patchy rain nearby
Overcast
Sunny
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 08:00 to 11:00, when it is around 21°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 19°C (66°F) right now, clear (feels like 16°C).
What's the weather like in Granite City right now?
Conditions in Granite City right now: Clear, humidity 29%, wind 6 km/h S.
What is today's forecast for Granite City?
Today in Granite City: high 32°C, low 18°C, sunny. Chance of rain: 2%.
What is the 7-day weather forecast for Granite City?
Daily highs and lows for Granite City:
- 2026-10-09: 32°C / 18°C
- 2026-10-10: 26°C / 19°C
- 2026-10-11: 29°C / 16°C
- 2026-10-12: 34°C / 20°C
- 2026-10-13: 32°C / 22°C
- 2026-10-14: 21°C / 16°C
- 2026-10-15: 33°C / 18°C
Is it going to rain in Granite City today?
There is a 2% chance of rain in Granite City today.
What is the wind speed in Granite City right now?
Wind in Granite City is currently 6 km/h (4 mph) from the S.
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.
