Weather in Affton, United States 🇺🇸
In Affton right now it is 32°C and clear, feeling like 32°C. Humidity sits at 42% and winds are near 12 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in Affton from about 25°C to 40°C. ⚠️ Heat Advisory issued September 2 at 2:34AM CDT until September 5 at 8:00PM CDT by NWS St Louis MO
Hourly Forecast for Affton
14-Day Forecast for Affton
Sunny
Sunny
Sunny
Overcast
Overcast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Patchy rain nearby
Light rain shower
Overcast
Additional Forecasts for Affton
Air Quality
Historical Weather
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Best Time to Be Outside in Affton Tomorrow
There is no good daylight window left in Affton today. Tomorrow, the most comfortable window looks like 07:00 to 10:00, when it is around 28°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Affton
What is the temperature in Affton right now?
It is currently 32°C (89°F) in Affton, clear (feels like 32°C).
What's the weather like in Affton right now?
Current weather in Affton: Clear, humidity 42%, wind 12 km/h SSW.
What is today's forecast for Affton?
Today in Affton: high 40°C, low 25°C, sunny. Chance of rain: 2%.
What is the 7-day weather forecast for Affton?
Daily highs and lows for Affton:
- 2026-09-02: 40°C / 25°C
- 2026-09-03: 38°C / 26°C
- 2026-09-04: 39°C / 26°C
- 2026-09-05: 38°C / 27°C
- 2026-09-06: 38°C / 25°C
- 2026-09-07: 37°C / 21°C
- 2026-09-08: 41°C / 26°C
Is it going to rain in Affton today?
There is a 2% chance of rain in Affton today.
What is the wind speed in Affton right now?
Wind in Affton is currently 12 km/h (7 mph) from the SSW.
What is the UV index in Affton right now?
The UV index in Affton is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
