Clinton County, OH Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Clinton County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny, with a high near 70. South wind 2 to 12 mph.
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
- May 15 to May 19, 2026
- Latest sync
- May 13, 2026 9:12 AM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Clinton County
Monday looks like the warmest upcoming period in Clinton County at 91 degrees F.
Friday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 21 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- May 13, 2026 9:12 AM 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
A chance of rain showers after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 87.
Partly cloudy, with a low around 66.
Sunny, with a high near 91.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 67.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
May 15
|
Partly Sunny
|
70°F |
2 to 12 mph
S
|
|
Friday Night
May 15
|
Mostly Cloudy then Chance Rain Showers
|
57°F |
10 mph
S
|
|
Saturday
May 16
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
83°F |
10 to 14 mph
SW
|
|
Saturday Night
May 16
|
Chance Showers And Thunderstorms
|
62°F |
6 to 12 mph
SW
|
|
Sunday
May 17
|
Slight Chance Rain Showers then Mostly Sunny
|
87°F |
7 to 13 mph
SW
|
|
Sunday Night
May 17
|
Partly Cloudy
|
66°F |
7 to 10 mph
S
|
|
Monday
May 18
|
Sunny
|
91°F |
8 to 17 mph
S
|
|
Monday Night
May 18
|
Partly Cloudy then Slight Chance Rain Showers
|
67°F |
8 to 14 mph
S
|
|
Tuesday
May 19
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
89°F |
10 to 21 mph
SW
|
|
Tuesday Night
May 19
|
Chance Showers And Thunderstorms
|
65°F |
9 to 16 mph
SW
|
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.
