Hardin County, OH Weather Forecast
County weather hub
Areas Of Smoke
Compare major city weather across Hardin County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Areas of smoke before 4pm, then areas of smoke and a chance of showers and thunderstorms. Partly sunny, with a high near 87. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Hardin 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 Hardin County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 1:26 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Hardin County
Saturday looks like the warmest upcoming period in Hardin County at 88 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 20 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 1:26 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
Areas of smoke and a chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms between 2am and 4am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 4pm, then showers and thunderstorms. Partly sunny, with a high near 88. West wind 10 to 16 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 2am. Mostly cloudy, with a low around 65. Northwest wind 7 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunny, with a high near 81. Northeast wind around 8 mph.
Mostly clear, with a low around 60.
Mostly sunny, with a high near 84.
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 62. Chance of precipitation is 50%.
Sunny, with a high near 77.
Mostly clear, with a low around 57.
Sunny, with a high near 77.
Mostly clear, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Areas Of Smoke
|
87°F |
7 mph
S
|
|
Tonight
Jul 17
|
Areas Of Smoke
|
72°F |
5 to 10 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
88°F |
10 to 16 mph
W
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
65°F |
7 to 15 mph
NW
|
|
Sunday
Jul 19
|
Sunny
|
81°F |
8 mph
NE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
60°F |
3 to 7 mph
E
|
|
Monday
Jul 20
|
Mostly Sunny
|
84°F |
3 to 7 mph
S
|
|
Monday Night
Jul 20
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
69°F |
7 to 15 mph
SW
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
86°F |
15 to 20 mph
SW
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
62°F |
10 to 17 mph
NW
|
|
Wednesday
Jul 22
|
Sunny
|
77°F |
13 mph
NW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
57°F |
3 to 12 mph
NW
|
|
Thursday
Jul 23
|
Sunny
|
77°F |
6 mph
N
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
58°F |
5 mph
E
|
Major City Forecasts
Live forecast snapshots for major cities across Hardin County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Hardin County.
Largest mapped city population in this region: 8,216.
