Brown County, OH Weather Forecast
County weather hub
Sunny
Compare major city weather across Brown County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 86. Southwest wind 7 to 13 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 4 of 4 mapped cities in Brown County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 12, 2026 11:44 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 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 14 to 20 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 11:44 PM EDT
- Coverage
- 7 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
Clear, with a low around 66. Southwest wind 6 to 9 mph.
A slight chance of rain showers between 7am and 8am, then showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 64. North wind 2 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
A chance of rain showers before 2pm. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 57.
Mostly clear, with a low around 33.
Sunny, with a high near 65.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
86°F |
7 to 13 mph
SW
|
|
Tuesday Night
Oct 13
|
Clear
|
66°F |
6 to 9 mph
SW
|
|
Wednesday
Oct 14
|
Showers And Thunderstorms
|
84°F |
8 mph
SW
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms
|
64°F |
2 to 7 mph
N
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
76°F |
6 to 9 mph
E
|
|
Thursday Night
Oct 15
|
Chance Showers And Thunderstorms
|
61°F |
6 to 13 mph
S
|
|
Friday
Oct 16
|
Chance Rain Showers
|
69°F |
14 to 20 mph
W
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
39°F |
12 to 18 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
57°F |
7 to 12 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
33°F |
1 to 6 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
2 to 7 mph
SE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
41°F |
5 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
70°F |
7 mph
S
|
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.
