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 84. Southeast wind 0 to 5 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 1, 2026 3:23 PM CDT.
The active forecast window currently covers Jun 2 to Jun 7, 2026 for Grantsburg, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 2 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 3:23 PM CDT
- Forecast office
- DLH
- Source
- NOAA / NWS
Daily Outlook
This Week in Grantsburg
Sunday looks like the warmest upcoming period in Grantsburg at 87 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 10 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 3:23 PM CDT
- Coverage
- 6 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
Partly cloudy, with a low around 55. South wind around 5 mph.
Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. South wind around 10 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. Southwest wind around 10 mph, with gusts as high as 20 mph.
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. Southwest wind 5 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 83. South wind around 5 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. East wind 0 to 5 mph.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind around 5 mph.
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. East wind 0 to 5 mph.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Southeast wind 5 to 10 mph.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60. East wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 2
|
Sunny
|
84°F |
0 to 5 mph
SE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
55°F |
5 mph
S
|
|
Wednesday
Jun 3
|
Mostly Sunny
|
85°F |
5 to 10 mph
S
|
|
Wednesday Night
Jun 3
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
60°F |
10 mph
S
|
|
Thursday
Jun 4
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
81°F |
10 mph
SW
|
|
Thursday Night
Jun 4
|
Showers And Thunderstorms Likely
|
57°F |
5 to 10 mph
SW
|
|
Friday
Jun 5
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
83°F |
5 mph
S
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
57°F |
0 to 5 mph
E
|
|
Saturday
Jun 6
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
84°F |
5 mph
SE
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
59°F |
0 to 5 mph
E
|
|
Sunday
Jun 7
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
SE
|
|
Sunday Night
Jun 7
|
Slight Chance Showers And Thunderstorms
|
60°F |
5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grantsburg.
