Affton, MO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Affton, MO in one place.
Sunny, with a high near 91. Northeast wind 2 to 7 mph.
Local Weather Overview
This forecast page for Affton, MO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 13, 2026 6:58 AM CDT.
The active forecast window currently covers Jul 14 to Jul 19, 2026 for Affton, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 6:58 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Affton
Saturday looks like the warmest upcoming period in Affton at 95 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Saturday at about 6 to 9 mph W.
The forecast from Jul 14 through Jul 19 stays mostly dry.
Forecast Details
- Last updated
- Jul 13, 2026 6:58 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 71. Northeast wind 0 to 6 mph.
Sunny, with a high near 92.
Mostly clear, with a low around 73.
Sunny, with a high near 92.
Mostly clear, with a low around 75.
Sunny, with a high near 94.
Mostly clear, with a low around 76.
Sunny, with a high near 95.
Mostly clear, with a low around 75.
Sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
2 to 7 mph
NE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
71°F |
0 to 6 mph
NE
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
1 to 5 mph
E
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
73°F |
0 to 3 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
92°F |
3 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
75°F |
3 mph
S
|
|
Friday
Jul 17
|
Sunny
|
94°F |
3 to 7 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
76°F |
3 to 7 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
95°F |
6 to 9 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
75°F |
5 to 8 mph
SW
|
|
Sunday
Jul 19
|
Sunny
|
94°F |
6 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Affton.
