Sumter, MN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sumter, MN in one place.
Mostly sunny, with a high near 64. Northwest wind 5 to 10 mph.
Local Weather Overview
This forecast page for Sumter, 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: Oct 12, 2026 6:19 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Sumter, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 6:19 AM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumter
Sunday looks like the warmest upcoming period in Sumter at 66 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Thursday Night at about 10 to 25 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 6:19 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MPX
- Radar station
- KMPX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 45. North northwest wind around 5 mph.
Mostly sunny, with a high near 61. North wind around 5 mph.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 44. Northeast wind 0 to 5 mph. Chance of precipitation is 20%.
A chance of rain showers. Mostly cloudy, with a high near 60. North northeast wind 0 to 10 mph. Chance of precipitation is 50%.
A chance of rain showers before 7pm. Partly cloudy, with a low around 40. Northwest wind 10 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 53. North northwest wind 10 to 25 mph, with gusts as high as 35 mph.
Widespread frost after midnight. Mostly clear, with a low around 32. West southwest wind 0 to 5 mph.
Widespread frost before 9am. Sunny, with a high near 58. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 42. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 66. South southwest wind 5 to 15 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
64°F |
5 to 10 mph
NW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy
|
45°F |
5 mph
NNW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
61°F |
5 mph
N
|
|
Wednesday Night
Oct 14
|
Partly Cloudy then Slight Chance Rain Showers
|
44°F |
0 to 5 mph
NE
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
60°F |
0 to 10 mph
NNE
|
|
Thursday Night
Oct 15
|
Chance Rain Showers then Partly Cloudy
|
40°F |
10 to 25 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
53°F |
10 to 25 mph
NNW
|
|
Friday Night
Oct 16
|
Mostly Clear then Widespread Frost
|
32°F |
0 to 5 mph
WSW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
58°F |
5 to 15 mph
SSW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
42°F |
10 to 15 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
5 to 15 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumter.