Brown County, OH Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Brown County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 9am, then showers and thunderstorms likely between 9am and 10am, then a chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms between 11am and 1pm. Partly sunny, with a high near 77. Southwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
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 4 of 4 mapped cities in Brown County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 13 to Apr 18, 2026
- Latest sync
- Apr 12, 2026 7:50 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Brown County
Tuesday looks like the warmest upcoming period in Brown County at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Monday at about 16 mph SW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 12, 2026 7:50 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- ILN
- Radar station
- KILN
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 after 2am. Partly cloudy, with a low around 63. Southwest wind 9 to 13 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 84.
A chance of rain showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 58. Chance of precipitation is 50%.
Mostly sunny, with a high near 84.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 62.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Chance Showers And Thunderstorms
|
77°F |
16 mph
SW
|
|
Monday Night
Apr 13
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
63°F |
9 to 13 mph
SW
|
|
Tuesday
Apr 14
|
Slight Chance Showers And Thunderstorms
|
84°F |
10 to 15 mph
SW
|
|
Tuesday Night
Apr 14
|
Slight Chance Showers And Thunderstorms
|
65°F |
9 to 14 mph
SW
|
|
Wednesday
Apr 15
|
Mostly Sunny then Slight Chance Rain Showers
|
84°F |
9 to 14 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Rain Showers
|
64°F |
8 to 12 mph
SW
|
|
Thursday
Apr 16
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
79°F |
9 to 14 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms
|
58°F |
5 to 10 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny
|
84°F |
7 mph
SW
|
|
Friday Night
Apr 17
|
Partly Cloudy then Slight Chance Rain Showers
|
62°F |
7 mph
S
|
|
Saturday
Apr 18
|
Chance Rain Showers
|
84°F |
7 to 15 mph
S
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms
|
55°F |
8 to 12 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Brown County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Brown County.
Largest mapped city population in this region: 3,422.
