Weather in St. Charles, United States 🇺🇸
In St. Charles right now it is 27°C and partly cloudy, feeling like 28°C. Humidity is 44% with winds around 21 km/h, and the UV index is 3 (moderate). Over the next few days, temperatures in St. Charles range from about 12°C to 28°C. ⚠️ Flood Advisory issued June 12 at 8:42AM CDT until June 12 at 7:00PM CDT by NWS Chicago IL
Hourly Forecast for St. Charles
14-Day Forecast for St. Charles
Sunny
Moderate rain
Patchy rain nearby
Sunny
Patchy rain nearby
Moderate rain
Patchy rain nearby
Sunny
Partly Cloudy
Moderate rain
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Partly Cloudy
Additional Forecasts for St. Charles
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Historical Weather
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Best Time to Be Outside in St. Charles Tomorrow
There is no good daylight window left in St. Charles today. Tomorrow, the most comfortable window looks like 08:00 to 10:00, 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 St. Charles
What is the temperature in St. Charles right now?
The current temperature in St. Charles is 27°C (80°F), partly cloudy (feels like 28°C).
What's the weather like in St. Charles right now?
Conditions in St. Charles right now: Partly cloudy, humidity 44%, wind 21 km/h W.
What is today's forecast for St. Charles?
Today in St. Charles: high 28°C, low 15°C, sunny. Chance of rain: 6%.
What is the 7-day weather forecast for St. Charles?
Daily highs and lows for St. Charles:
- 2026-06-12: 28°C / 15°C
- 2026-06-13: 27°C / 15°C
- 2026-06-14: 19°C / 12°C
- 2026-06-15: 20°C / 11°C
- 2026-06-16: 25°C / 11°C
- 2026-06-17: 22°C / 16°C
- 2026-06-18: 21°C / 16°C
Is it going to rain in St. Charles today?
There is a 6% chance of rain in St. Charles today.
What is the wind speed in St. Charles right now?
Wind in St. Charles is currently 21 km/h (13 mph) from the W.
What is the UV index in St. Charles right now?
The UV index in St. Charles is currently 2.8 (low). Sun protection is recommended when the index is 3 or higher.
