Petersburg, MO Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Petersburg, MO in one place.
Partly sunny, with a high near 52. North wind around 3 mph.
Local Weather Overview
This forecast page for Petersburg, 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: Nov 6, 2026 6:53 PM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Petersburg, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 6:53 PM CST
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Petersburg
Monday looks like the warmest upcoming period in Petersburg at 70 degrees F.
Tonight is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Monday at about 1 to 8 mph SSW.
The forecast from Nov 6 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 6:53 PM CST
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Widespread frost after midnight. Mostly cloudy, with a low around 30. North wind around 2 mph.
Widespread frost before 8am. Partly sunny. High near 57, with temperatures falling to around 51 in the afternoon. West southwest wind 0 to 3 mph.
Mostly clear. Low around 32, with temperatures rising to around 37 overnight. West southwest wind around 3 mph.
Sunny, with a high near 65. West southwest wind around 5 mph.
Mostly clear, with a low around 36.
Sunny, with a high near 70.
Clear, with a low around 41.
Sunny, with a high near 67.
Mostly clear, with a low around 39.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 36.
Sunny, with a high near 61.
Mostly clear, with a low around 34.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 6
|
Partly Sunny
|
52°F |
3 mph
N
|
|
Tonight
Nov 6
|
Mostly Cloudy then Widespread Frost
|
30°F |
2 mph
N
|
|
Saturday
Nov 7
|
Widespread Frost then Partly Sunny
|
57°F |
0 to 3 mph
WSW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
32°F |
3 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
65°F |
5 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
36°F |
2 mph
WSW
|
|
Monday
Nov 9
|
Sunny
|
70°F |
1 to 8 mph
SSW
|
|
Monday Night
Nov 9
|
Clear
|
41°F |
5 mph
WSW
|
|
Tuesday
Nov 10
|
Sunny
|
67°F |
2 mph
NW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
39°F |
0 mph
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
64°F |
0 to 6 mph
N
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
36°F |
2 mph
NNW
|
|
Thursday
Nov 12
|
Sunny
|
61°F |
1 to 6 mph
NNW
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
34°F |
3 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Petersburg.