Grass Lake, MN Weather Forecast
Local 7-day forecast
Widespread Frost then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grass Lake, MN in one place.
Widespread frost before 9am. Sunny, with a high near 59. South southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Local Weather Overview
This forecast page for Grass Lake, 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 17, 2026 1:16 AM CDT.
The active forecast window currently covers Oct 17 to Oct 23, 2026 for Grass Lake, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 17 to Oct 23, 2026
- Latest sync
- Oct 17, 2026 1:16 AM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grass Lake
Friday looks like the warmest upcoming period in Grass Lake at 69 degrees F.
Sunday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph SSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 17, 2026 1:16 AM CDT
- Coverage
- 7 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
Mostly clear, with a low around 40. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunny, with a high near 61. South southwest wind 10 to 15 mph.
Mostly clear, with a low around 37. South southwest wind 0 to 5 mph.
Mostly sunny, with a high near 62. Southeast wind 0 to 5 mph.
Mostly clear, with a low around 38. East southeast wind 0 to 5 mph.
Sunny, with a high near 65. Southeast wind 0 to 10 mph.
Mostly clear, with a low around 45. Southeast wind around 5 mph.
Mostly sunny, with a high near 66. South southeast wind 5 to 10 mph.
Partly cloudy, with a low around 49. South wind 0 to 5 mph.
Mostly sunny, with a high near 68. East southeast wind 0 to 5 mph.
Partly cloudy, with a low around 49. East southeast wind 0 to 5 mph.
A slight chance of rain showers after 7am. Mostly sunny, with a high near 69. South southeast wind 5 to 15 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
59°F |
5 to 15 mph
SSW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
40°F |
10 to 15 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
61°F |
10 to 15 mph
SSW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
37°F |
0 to 5 mph
SSW
|
|
Monday
Oct 19
|
Mostly Sunny
|
62°F |
0 to 5 mph
SE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
38°F |
0 to 5 mph
ESE
|
|
Tuesday
Oct 20
|
Sunny
|
65°F |
0 to 10 mph
SE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
45°F |
5 mph
SE
|
|
Wednesday
Oct 21
|
Mostly Sunny
|
66°F |
5 to 10 mph
SSE
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
49°F |
0 to 5 mph
S
|
|
Thursday
Oct 22
|
Mostly Sunny
|
68°F |
0 to 5 mph
ESE
|
|
Thursday Night
Oct 22
|
Partly Cloudy
|
49°F |
0 to 5 mph
ESE
|
|
Friday
Oct 23
|
Slight Chance Rain Showers
|
69°F |
5 to 15 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grass Lake.