Weather in Ballwin, United States 🇺🇸
Weather Forecast in Ballwin
In Ballwin right now it is 21°C and partly cloudy, feeling like 21°C. Humidity sits at 78% and winds are near 8 km/h, and the UV index is 3 (moderate). Over the next few days, temperatures in Ballwin range from about 18°C to 39°C. ⚠️ Extreme Heat Watch issued July 24 at 1:12AM CDT until July 28 at 7:00PM CDT by NWS St Louis MO
Hourly Forecast for Ballwin
14-Day Forecast for Ballwin
Sunny
Partly Cloudy
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Additional Forecasts for Ballwin
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Historical Weather
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Best Time to Be Outside in Ballwin Today
The most comfortable window in Ballwin today looks like 15:00 to 17:00, when it is around 30°C. It should stay dry through that window. The next likely rain is around 19:00.
Frequently Asked Questions about Weather in Ballwin
What is the temperature in Ballwin right now?
It is currently 21°C (70°F) in Ballwin, partly cloudy (feels like 21°C).
What's the weather like in Ballwin right now?
Right now Ballwin has Partly cloudy, humidity 78%, wind 8 km/h SSW.
What is today's forecast for Ballwin?
Today in Ballwin: high 32°C, low 18°C, sunny. Chance of rain: 57%.
What is the 7-day weather forecast for Ballwin?
Daily highs and lows for Ballwin:
- 2026-07-24: 32°C / 18°C
- 2026-07-25: 34°C / 18°C
- 2026-07-26: 39°C / 24°C
- 2026-07-27: 41°C / 25°C
- 2026-07-28: 40°C / 25°C
- 2026-07-29: 35°C / 25°C
- 2026-07-30: 34°C / 22°C
Is it going to rain in Ballwin today?
There is a 57% chance of rain in Ballwin today. Total expected precipitation: 1.61 mm.
What is the wind speed in Ballwin right now?
Wind in Ballwin is currently 8 km/h (5 mph) from the SSW.
What is the UV index in Ballwin right now?
The UV index in Ballwin is currently 2.8 (low). Sun protection is recommended when the index is 3 or higher.
