Brown County, WI Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Brown County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 55. South wind 2 to 10 mph, with gusts as high as 18 mph.
County Weather Overview
This county weather page brings together forecast coverage for Brown County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Brown County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:15 PM CDT
- Forecast office
- GRB
- Source
- NOAA / NWS
Daily Outlook
This Week in Brown County
Monday looks like the warmest upcoming period in Brown County at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Sunday at about 12 to 17 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:15 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
Rain showers likely between 7pm and 10pm, then showers and thunderstorms. Mostly cloudy, with a low around 43. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 90%.
Rain showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a high near 64. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
A chance of rain showers. Partly cloudy, with a low around 45. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Mostly Sunny
|
55°F |
2 to 10 mph
S
|
|
Saturday Night
Apr 11
|
Showers And Thunderstorms
|
43°F |
8 to 12 mph
SSE
|
|
Sunday
Apr 12
|
Showers And Thunderstorms
|
69°F |
12 to 17 mph
S
|
|
Sunday Night
Apr 12
|
Rain Showers Likely
|
60°F |
13 to 17 mph
SW
|
|
Monday
Apr 13
|
Chance Rain Showers
|
75°F |
12 mph
SW
|
|
Monday Night
Apr 13
|
Showers And Thunderstorms
|
52°F |
9 mph
S
|
|
Tuesday
Apr 14
|
Showers And Thunderstorms
|
64°F |
12 mph
NE
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms Likely
|
47°F |
10 mph
ESE
|
|
Wednesday
Apr 15
|
Rain Showers Likely
|
62°F |
9 to 13 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
45°F |
7 to 10 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Brown County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Brown County.
Largest mapped city population in this region: 25,014.
