Saint Mary, MN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Mary, MN in one place.
Mostly sunny, with a high near 45. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Local Weather Overview
This forecast page for Saint Mary, 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: Apr 15, 2026 9:58 PM CDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Saint Mary, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 15, 2026 9:58 PM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Mary
Tuesday looks like the warmest upcoming period in Saint Mary at 70 degrees F.
Saturday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph NW.
The forecast from Apr 18 through Apr 22 stays mostly dry.
Forecast Details
- Last updated
- Apr 15, 2026 9:58 PM CDT
- Coverage
- 5 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 27. Northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunny, with a high near 51. Northwest wind 10 to 15 mph.
Mostly clear, with a low around 33. East wind 5 to 10 mph.
Sunny, with a high near 67. South southeast wind 10 to 15 mph.
Mostly clear, with a low around 47. South southwest wind 10 to 15 mph.
Sunny, with a high near 70. West wind 10 to 15 mph.
Mostly clear, with a low around 45. South wind 10 to 15 mph.
Mostly sunny, with a high near 68. South southeast wind 10 to 15 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Mostly Sunny
|
45°F |
15 to 20 mph
NW
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
27°F |
10 to 20 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
51°F |
10 to 15 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
33°F |
5 to 10 mph
E
|
|
Monday
Apr 20
|
Sunny
|
67°F |
10 to 15 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
47°F |
10 to 15 mph
SSW
|
|
Tuesday
Apr 21
|
Sunny
|
70°F |
10 to 15 mph
W
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
45°F |
10 to 15 mph
S
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
68°F |
10 to 15 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Mary.