Harrison, WI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Harrison, WI in one place.
Mostly sunny, with a high near 81. Heat index values as high as 80. North northwest wind 8 to 12 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Harrison, 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: Jul 16, 2026 9:39 PM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Harrison, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 16, 2026 9:39 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrison
Monday looks like the warmest upcoming period in Harrison at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 14 mph NNW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 16, 2026 9:39 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- GRB
- Radar station
- KGRB
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 57. Northeast wind 0 to 9 mph.
Mostly sunny, with a high near 83.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 61. Chance of precipitation is 40%.
A slight chance of rain showers after 1pm. Sunny, with a high near 76. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 53. Chance of precipitation is 20%.
Sunny, with a high near 76.
Mostly clear, with a low around 54.
Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Mostly Sunny
|
81°F |
8 to 12 mph
NNW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
57°F |
0 to 9 mph
NE
|
|
Sunday
Jul 19
|
Mostly Sunny
|
83°F |
0 to 7 mph
SSW
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Chance Showers And Thunderstorms
|
64°F |
6 to 9 mph
SSW
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
84°F |
9 to 13 mph
WSW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
61°F |
8 to 12 mph
NW
|
|
Tuesday
Jul 21
|
Sunny then Slight Chance Rain Showers
|
76°F |
10 to 14 mph
NNW
|
|
Tuesday Night
Jul 21
|
Slight Chance Rain Showers then Mostly Clear
|
53°F |
3 to 13 mph
NNW
|
|
Wednesday
Jul 22
|
Sunny
|
76°F |
3 to 7 mph
NW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
54°F |
1 to 6 mph
W
|
|
Thursday
Jul 23
|
Sunny
|
79°F |
2 to 6 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harrison.