Weather in St. Charles, United States 🇺🇸
St. Charles currently sits at 10°C, smoky haze, feeling like 9°C. Expect 60% humidity and winds of about 6 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in St. Charles from about 9°C to 21°C.
Hourly Forecast for St. Charles
14-Day Forecast for St. Charles
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Additional Forecasts for St. Charles
Air Quality
Historical Weather
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Best Time to Be Outside in St. Charles Today
The most comfortable window in St. Charles today looks like 14:00 to 17:00, when it is around 19°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?
It is currently 10°C (49°F) in St. Charles, smoky haze (feels like 9°C).
What's the weather like in St. Charles right now?
Current weather in St. Charles: Smoky haze, humidity 60%, wind 6 km/h ENE.
What is today's forecast for St. Charles?
Today in St. Charles: high 19°C, low 9°C, sunny. Chance of rain: 3%.
What is the 7-day weather forecast for St. Charles?
Daily highs and lows for St. Charles:
- 2026-10-20: 19°C / 9°C
- 2026-10-21: 19°C / 9°C
- 2026-10-22: 21°C / 11°C
- 2026-10-23: 20°C / 11°C
- 2026-10-24: 20°C / 12°C
- 2026-10-25: 22°C / 12°C
- 2026-10-26: 19°C / 6°C
Is it going to rain in St. Charles today?
There is a 3% chance of rain in St. Charles today.
What is the wind speed in St. Charles right now?
Wind in St. Charles is currently 6 km/h (4 mph) from the ENE.
What is the UV index in St. Charles right now?
The UV index in St. Charles is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
