Fairfield County, OH Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Fairfield County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. South wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Fairfield County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 9 of 9 mapped cities in Fairfield County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 26 to Jun 1, 2026
- Latest sync
- May 26, 2026 6:10 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfield County
This Afternoon looks like the warmest upcoming period in Fairfield County at 79 degrees F.
Thursday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Thursday at about 2 to 12 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 26, 2026 6:10 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
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers and thunderstorms between 2am and 3am, then showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind 0 to 3 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 high near 76. North wind 0 to 3 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 9pm. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 59. North wind 0 to 3 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Sunny, with a high near 77. North wind 2 to 12 mph.
Mostly clear, with a low around 51.
Sunny, with a high near 77.
Mostly clear, with a low around 54.
Sunny, with a high near 77.
Mostly clear, with a low around 52.
Sunny, with a high near 75.
Mostly clear, with a low around 52.
Sunny, with a high near 75.
Mostly clear, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 26
|
Chance Showers And Thunderstorms
|
79°F |
3 mph
S
|
|
Tonight
May 26
|
Chance Showers And Thunderstorms
|
63°F |
0 to 3 mph
SE
|
|
Wednesday
May 27
|
Showers And Thunderstorms
|
76°F |
0 to 3 mph
N
|
|
Wednesday Night
May 27
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
59°F |
0 to 3 mph
N
|
|
Thursday
May 28
|
Sunny
|
77°F |
2 to 12 mph
N
|
|
Thursday Night
May 28
|
Mostly Clear
|
51°F |
3 to 10 mph
NE
|
|
Friday
May 29
|
Sunny
|
77°F |
3 mph
NE
|
|
Friday Night
May 29
|
Mostly Clear
|
54°F |
0 to 3 mph
N
|
|
Saturday
May 30
|
Sunny
|
77°F |
0 to 8 mph
NE
|
|
Saturday Night
May 30
|
Mostly Clear
|
52°F |
5 to 8 mph
NE
|
|
Sunday
May 31
|
Sunny
|
75°F |
5 to 8 mph
NE
|
|
Sunday Night
May 31
|
Mostly Clear
|
52°F |
1 to 7 mph
N
|
|
Monday
Jun 1
|
Sunny
|
75°F |
1 to 10 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
52°F |
3 to 9 mph
N
|
Major City Forecasts
Live forecast snapshots for major cities across Fairfield County.
Coverage
Forecast coverage currently spans 9 of 9 mapped cities in Fairfield County.
Largest mapped city population in this region: 40,932.