Fairfield County, OH Weather Forecast
County weather hub
Partly Cloudy then Patchy Fog
Compare major city weather across Fairfield County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog after 2am. Partly cloudy, with a low around 55. Wind around 0 mph.
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
- Aug 24 to Aug 31, 2026
- Latest sync
- Aug 24, 2026 11:00 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfield County
Monday looks like the warmest upcoming period in Fairfield County at 86 degrees F.
Tonight is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Monday at about 2 to 8 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 11:00 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
Patchy fog before 8am. Sunny, with a high near 79. Northwest wind around 2 mph.
Partly cloudy, with a low around 57. North wind around 1 mph.
Partly sunny, with a high near 82. South wind 0 to 5 mph.
Partly cloudy, with a low around 63. South wind around 3 mph.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
Sunny, with a high near 82.
Mostly clear, with a low around 61.
Sunny, with a high near 82.
Mostly clear, with a low around 62.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 67.
A slight chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tonight
Aug 24
|
Partly Cloudy then Patchy Fog
|
55°F |
0 mph
|
|
Tuesday
Aug 25
|
Patchy Fog then Sunny
|
79°F |
2 mph
NW
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
57°F |
1 mph
N
|
|
Wednesday
Aug 26
|
Partly Sunny
|
82°F |
0 to 5 mph
S
|
|
Wednesday Night
Aug 26
|
Partly Cloudy
|
63°F |
3 mph
S
|
|
Thursday
Aug 27
|
Mostly Sunny then Chance Showers And Thunderstorms
|
83°F |
1 to 6 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms then Partly Cloudy
|
63°F |
0 to 5 mph
NW
|
|
Friday
Aug 28
|
Sunny
|
82°F |
0 to 6 mph
N
|
|
Friday Night
Aug 28
|
Mostly Clear
|
61°F |
2 to 6 mph
N
|
|
Saturday
Aug 29
|
Sunny
|
82°F |
3 mph
NE
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
62°F |
3 mph
E
|
|
Sunday
Aug 30
|
Mostly Sunny
|
84°F |
3 mph
S
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
67°F |
3 mph
S
|
|
Monday
Aug 31
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
86°F |
2 to 8 mph
SW
|
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.
