Brillion, WI Weather Forecast
Local 7-day forecast
Smoke
Track current conditions, temperature changes, wind, and the full daily outlook for Brillion, WI in one place.
Smoke before 2pm. Mostly sunny, with a high near 89. East southeast wind 2 to 8 mph.
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: Jul 14, 2026 5:03 PM CDT.
The active forecast window currently covers Jul 16 to Jul 20, 2026 for Brillion, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 5:03 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Brillion
Thursday looks like the warmest upcoming period in Brillion at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Monday at about 9 to 15 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 5:03 PM 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
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Mostly sunny, with a high near 85.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm, 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. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Smoke
|
89°F |
2 to 8 mph
ESE
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms
|
65°F |
3 to 8 mph
E
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
88°F |
3 to 7 mph
SSE
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms
|
69°F |
8 mph
S
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
87°F |
8 to 13 mph
WNW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms then Partly Cloudy
|
63°F |
3 to 12 mph
NNE
|
|
Sunday
Jul 19
|
Mostly Sunny
|
85°F |
7 mph
WNW
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Slight Chance Rain Showers
|
66°F |
8 mph
SW
|
|
Monday
Jul 20
|
Chance Showers And Thunderstorms
|
86°F |
9 to 15 mph
W
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
63°F |
8 to 14 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brillion.
