Harmony, WI Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Harmony, WI in one place.
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Heat index values as high as 85. Southwest wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Harmony, 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: Aug 3, 2026 1:22 AM CDT.
The active forecast window currently covers Aug 4 to Aug 9, 2026 for Harmony, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 4 to Aug 9, 2026
- Latest sync
- Aug 3, 2026 1:22 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Harmony
Friday looks like the warmest upcoming period in Harmony at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Tuesday at about 7 to 14 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 3, 2026 1:22 AM 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
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. West wind 3 to 9 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Mostly cloudy, with a low around 51.
Mostly sunny, with a high near 83.
Mostly clear, with a low around 56.
Sunny, with a high near 86.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 4
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
84°F |
7 to 14 mph
SW
|
|
Tuesday Night
Aug 4
|
Slight Chance Showers And Thunderstorms
|
56°F |
3 to 9 mph
W
|
|
Wednesday
Aug 5
|
Chance Showers And Thunderstorms then Partly Sunny
|
80°F |
6 mph
ENE
|
|
Wednesday Night
Aug 5
|
Mostly Cloudy
|
51°F |
5 mph
S
|
|
Thursday
Aug 6
|
Mostly Sunny
|
83°F |
2 to 8 mph
SW
|
|
Thursday Night
Aug 6
|
Mostly Clear
|
56°F |
7 mph
SSW
|
|
Friday
Aug 7
|
Sunny
|
86°F |
5 to 12 mph
SW
|
|
Friday Night
Aug 7
|
Slight Chance Rain Showers
|
60°F |
6 to 10 mph
SW
|
|
Saturday
Aug 8
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
86°F |
6 to 12 mph
SW
|
|
Saturday Night
Aug 8
|
Chance Showers And Thunderstorms
|
59°F |
5 to 10 mph
SSW
|
|
Sunday
Aug 9
|
Chance Rain Showers
|
85°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harmony.