Brillion, WI Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Brillion, WI in one place.
A chance of rain showers between 7am and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Brillion, 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 6, 2026 11:17 AM CDT.
The active forecast window currently covers Jun 8 to Jun 12, 2026 for Brillion, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 12, 2026
- Latest sync
- Jun 6, 2026 11:17 AM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Brillion
Thursday looks like the warmest upcoming period in Brillion at 93 degrees F.
Monday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 15 mph SE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 6, 2026 11:17 AM CDT
- Coverage
- 5 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
Showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 80%.
Showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 8
|
Chance Rain Showers
|
80°F |
15 mph
SE
|
|
Monday Night
Jun 8
|
Showers And Thunderstorms
|
63°F |
5 to 12 mph
SE
|
|
Tuesday
Jun 9
|
Showers And Thunderstorms
|
84°F |
7 mph
NNE
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
65°F |
6 mph
SE
|
|
Wednesday
Jun 10
|
Slight Chance Showers And Thunderstorms
|
91°F |
3 to 12 mph
S
|
|
Wednesday Night
Jun 10
|
Slight Chance Showers And Thunderstorms
|
71°F |
12 mph
SSW
|
|
Thursday
Jun 11
|
Chance Showers And Thunderstorms
|
93°F |
10 to 15 mph
SSW
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms
|
70°F |
10 to 14 mph
SW
|
|
Friday
Jun 12
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
89°F |
9 to 14 mph
WSW
|
|
Friday Night
Jun 12
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
66°F |
8 to 12 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brillion.
