Saint Mary, MN Weather Forecast
Local 7-day forecast
Sunny then Patchy Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Mary, MN in one place.
Patchy smoke after 3pm. Sunny, with a high near 87. North wind 5 to 10 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: Jul 17, 2026 12:12 PM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Saint Mary, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 12:12 PM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Mary
Monday looks like the warmest upcoming period in Saint Mary at 93 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 20 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 12:12 PM 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
Areas of smoke. Partly cloudy, with a low around 64. East northeast wind 0 to 5 mph.
Areas of smoke before 8am. Mostly sunny, with a high near 88. South southeast wind 5 to 10 mph.
A chance of showers and thunderstorms after 1am. Partly cloudy. Low around 71, with temperatures rising to around 74 overnight. South wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. Southwest wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 66. Northwest wind 10 to 15 mph.
Sunny, with a high near 80. Northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 58. North wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 79. Northwest wind around 5 mph.
Mostly clear, with a low around 58. South southwest wind around 5 mph.
Mostly sunny, with a high near 81. South southwest wind around 5 mph.
Partly cloudy, with a low around 61. South wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny then Patchy Smoke
|
87°F |
5 to 10 mph
N
|
|
Saturday Night
Jul 18
|
Areas Of Smoke
|
64°F |
0 to 5 mph
ENE
|
|
Sunday
Jul 19
|
Areas Of Smoke then Mostly Sunny
|
88°F |
5 to 10 mph
SSE
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Chance Showers And Thunderstorms
|
71°F |
10 to 15 mph
S
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
93°F |
10 to 15 mph
SW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
66°F |
10 to 15 mph
NW
|
|
Tuesday
Jul 21
|
Sunny
|
80°F |
15 to 20 mph
NW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
58°F |
5 to 15 mph
N
|
|
Wednesday
Jul 22
|
Sunny
|
79°F |
5 mph
NW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
58°F |
5 mph
SSW
|
|
Thursday
Jul 23
|
Mostly Sunny
|
81°F |
5 mph
SSW
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
61°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Mary.