Grantsburg, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grantsburg, WI in one place.
Sunny, with a high near 73. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Grantsburg, WI 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: Jun 12, 2026 7:40 AM CDT.
The active forecast window currently covers Jun 14 to Jun 18, 2026 for Grantsburg, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 14 to Jun 18, 2026
- Latest sync
- Jun 12, 2026 7:40 AM CDT
- Forecast office
- DLH
- Source
- NOAA / NWS
Daily Outlook
This Week in Grantsburg
Monday looks like the warmest upcoming period in Grantsburg at 75 degrees F.
Sunday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 12, 2026 7:40 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- DLH
- Radar station
- KDLH
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 47. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 49. West wind 0 to 10 mph, with gusts as high as 20 mph.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 73. West wind 0 to 10 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 49. West wind 0 to 5 mph, with gusts as high as 20 mph.
Rain showers likely. Partly sunny, with a high near 74. Southeast wind 0 to 10 mph, with gusts as high as 20 mph.
Rain showers likely. Mostly cloudy, with a low around 51. North wind around 5 mph, with gusts as high as 20 mph.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 75. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Jun 14
|
Sunny
|
73°F |
10 to 15 mph
NW
|
|
Sunday Night
Jun 14
|
Mostly Clear
|
47°F |
5 to 10 mph
NW
|
|
Monday
Jun 15
|
Sunny
|
75°F |
5 to 10 mph
NW
|
|
Monday Night
Jun 15
|
Slight Chance Showers And Thunderstorms
|
49°F |
0 to 10 mph
W
|
|
Tuesday
Jun 16
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
73°F |
0 to 10 mph
W
|
|
Tuesday Night
Jun 16
|
Chance Showers And Thunderstorms
|
49°F |
0 to 5 mph
W
|
|
Wednesday
Jun 17
|
Rain Showers Likely
|
74°F |
0 to 10 mph
SE
|
|
Wednesday Night
Jun 17
|
Rain Showers Likely
|
51°F |
5 mph
N
|
|
Thursday
Jun 18
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
75°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grantsburg.
