Clinton County, OH Weather Forecast
County weather hub
Areas Of Smoke then Showers And Thunderstorms Likely
Compare major city weather across Clinton County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Areas of smoke before 8am, then showers and thunderstorms likely. Mostly sunny, with a high near 92. South wind around 7 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 Clinton 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 Clinton County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 17 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 4:29 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Clinton County
Friday looks like the warmest upcoming period in Clinton County at 92 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Tuesday at about 9 to 16 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 4:29 PM EDT
- Coverage
- 5 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
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Mostly clear, with a low around 65.
Mostly sunny, with a high near 87.
A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Areas Of Smoke then Showers And Thunderstorms Likely
|
92°F |
7 mph
S
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
72°F |
7 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
89°F |
7 to 14 mph
W
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
70°F |
8 to 13 mph
W
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms then Mostly Sunny
|
85°F |
10 mph
N
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
65°F |
5 to 9 mph
NE
|
|
Monday
Jul 20
|
Mostly Sunny
|
87°F |
7 mph
S
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
69°F |
6 to 9 mph
SW
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
87°F |
9 to 16 mph
W
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
64°F |
8 to 15 mph
NW
|
Major City Forecasts
Live forecast snapshots for major cities across Clinton County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Clinton County.
Largest mapped city population in this region: 12,399.