Petersburg, MN Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Petersburg, MN in one place.
Clear, with a low around 67. Southwest wind around 5 mph.
Local Weather Overview
This forecast page for Petersburg, MN 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 14, 2026 11:35 PM CDT.
The active forecast window currently covers Jul 14 to Jul 21, 2026 for Petersburg, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 11:35 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Petersburg
Friday looks like the warmest upcoming period in Petersburg at 93 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Monday at about 10 to 15 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 11:35 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny, with a high near 88. Southeast wind 0 to 5 mph.
Mostly clear, with a low around 68. South southeast wind around 5 mph.
Sunny, with a high near 88. South southwest wind around 5 mph.
Clear, with a low around 70. South wind around 5 mph.
Sunny, with a high near 93. South southwest wind 5 to 10 mph.
Mostly clear, with a low around 71.
Sunny, with a high near 92.
Mostly clear, with a low around 68.
Sunny, with a high near 92.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
A chance of rain showers before 7am. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Mostly clear, with a low around 66.
Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Jul 14
|
Clear
|
67°F |
5 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
88°F |
0 to 5 mph
SE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
68°F |
5 mph
SSE
|
|
Thursday
Jul 16
|
Sunny
|
88°F |
5 mph
SSW
|
|
Thursday Night
Jul 16
|
Clear
|
70°F |
5 mph
S
|
|
Friday
Jul 17
|
Sunny
|
93°F |
5 to 10 mph
SSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
71°F |
5 to 10 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
92°F |
10 mph
NNW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
68°F |
5 to 10 mph
ENE
|
|
Sunday
Jul 19
|
Sunny
|
92°F |
5 to 10 mph
S
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
70°F |
10 mph
SSW
|
|
Monday
Jul 20
|
Chance Rain Showers then Mostly Sunny
|
89°F |
10 to 15 mph
NW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
66°F |
10 to 15 mph
NNW
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
83°F |
10 to 15 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Petersburg.