Harmony, WI Weather Forecast
Local 7-day forecast
Areas Of Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Harmony, WI in one place.
Areas of fog and showers and thunderstorms before 7am, then patchy fog and showers and thunderstorms likely between 7am and 8am, then patchy fog and a chance of showers and thunderstorms between 8am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy. High near 78, with temperatures falling to around 76 in the afternoon. Heat index values as high as 77. Northeast wind 2 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
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: Jun 8, 2026 8:23 PM CDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Harmony, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 8:23 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Harmony
Thursday looks like the warmest upcoming period in Harmony at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Friday at about 9 to 18 mph W.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 8:23 PM CDT
- Coverage
- 7 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 cloudy. Low around 58, with temperatures rising to around 60 overnight. Southeast wind 1 to 6 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 83. Heat index values as high as 86. South southeast wind 3 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Showers and thunderstorms. Partly cloudy, with a low around 63. South southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
A slight chance of rain showers before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 84. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Sunny, with a high near 80.
Mostly clear, with a low around 53.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
A slight chance of rain showers. Partly cloudy, with a low around 48. Chance of precipitation is 20%.
A chance of rain showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Areas Of Fog
|
78°F |
2 to 7 mph
NE
|
|
Tuesday Night
Jun 9
|
Mostly Cloudy
|
58°F |
1 to 6 mph
SE
|
|
Wednesday
Jun 10
|
Showers And Thunderstorms Likely
|
83°F |
3 to 13 mph
SSE
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms
|
63°F |
8 to 14 mph
SSW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely
|
84°F |
7 to 15 mph
SW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
53°F |
9 to 15 mph
WSW
|
|
Friday
Jun 12
|
Sunny
|
80°F |
9 to 18 mph
W
|
|
Friday Night
Jun 12
|
Mostly Clear
|
53°F |
8 to 15 mph
WSW
|
|
Saturday
Jun 13
|
Mostly Sunny then Chance Showers And Thunderstorms
|
80°F |
8 to 16 mph
W
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
52°F |
5 to 12 mph
WNW
|
|
Sunday
Jun 14
|
Slight Chance Rain Showers
|
75°F |
6 to 10 mph
WNW
|
|
Sunday Night
Jun 14
|
Slight Chance Rain Showers
|
48°F |
5 to 9 mph
WNW
|
|
Monday
Jun 15
|
Chance Rain Showers
|
75°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harmony.