City of Saint Louis Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for City of Saint Louis in one place.
Partly sunny, with a high near 73. Northeast wind around 7 mph.
Local Weather Overview
This forecast page for City of Saint Louis 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: Sep 15, 2026 8:20 AM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of Saint Louis.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 8:20 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in City of Saint Louis
Thursday looks like the warmest upcoming period in City of Saint Louis at 75 degrees F.
Monday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Saturday Night at about 10 to 14 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 8:20 AM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KGRR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 8pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 54. East northeast wind 2 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 2pm. Mostly cloudy, with a high near 75. North wind 2 to 6 mph. Chance of precipitation is 60%.
Mostly cloudy, with a low around 52.
Partly sunny, with a high near 72.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 52.
A chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 74.
Showers and thunderstorms likely. Mostly cloudy, with a low around 55.
A chance of rain showers before 2pm. Mostly cloudy, with a high near 70.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 49.
A slight chance of rain showers before 8am. Partly sunny, with a high near 69.
Partly cloudy, with a low around 45.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Partly Sunny
|
73°F |
7 mph
NE
|
|
Wednesday Night
Sep 16
|
Showers And Thunderstorms Likely
|
54°F |
2 to 8 mph
ENE
|
|
Thursday
Sep 17
|
Rain Showers Likely
|
75°F |
2 to 6 mph
N
|
|
Thursday Night
Sep 17
|
Mostly Cloudy
|
52°F |
5 mph
N
|
|
Friday
Sep 18
|
Partly Sunny
|
72°F |
5 to 9 mph
NE
|
|
Friday Night
Sep 18
|
Chance Rain Showers
|
52°F |
6 to 9 mph
E
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
74°F |
8 to 13 mph
SSE
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
55°F |
10 to 14 mph
W
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
70°F |
13 mph
NNE
|
|
Sunday Night
Sep 20
|
Slight Chance Rain Showers
|
49°F |
7 to 13 mph
NE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers then Partly Sunny
|
69°F |
9 to 13 mph
NE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
45°F |
5 to 12 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around City of Saint Louis.