Fairfield, OH Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Fairfield, OH in one place.
Showers and thunderstorms likely before 11am, then showers and thunderstorms likely. Partly sunny, with a high near 90. Heat index values as high as 102. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Fairfield, OH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 10, 2026 6:49 PM EDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Fairfield, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 6:49 PM EDT
- Forecast office
- ILN
- Source
- NOAA / NWS
Daily Outlook
This Week in Fairfield
Tuesday looks like the warmest upcoming period in Fairfield at 90 degrees F.
Friday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 9 mph SW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 6:49 PM EDT
- Coverage
- 6 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 showers and thunderstorms likely between 8pm and 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then showers and thunderstorms between 10pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind 2 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
A chance of rain showers before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 2 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
Rain showers likely before 11am, then showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 80%.
Showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Chance of precipitation is 80%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 69.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Showers And Thunderstorms Likely
|
90°F |
6 to 9 mph
SW
|
|
Tuesday Night
Aug 11
|
Showers And Thunderstorms Likely then Showers And Thunderstorms
|
69°F |
2 to 8 mph
SW
|
|
Wednesday
Aug 12
|
Chance Showers And Thunderstorms
|
88°F |
2 to 7 mph
SW
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
69°F |
1 to 6 mph
SW
|
|
Thursday
Aug 13
|
Showers And Thunderstorms Likely
|
87°F |
2 to 7 mph
W
|
|
Thursday Night
Aug 13
|
Showers And Thunderstorms
|
69°F |
2 to 6 mph
NE
|
|
Friday
Aug 14
|
Showers And Thunderstorms
|
85°F |
2 to 6 mph
NE
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
65°F |
6 mph
NE
|
|
Saturday
Aug 15
|
Slight Chance Rain Showers then Mostly Sunny
|
86°F |
3 to 7 mph
SE
|
|
Saturday Night
Aug 15
|
Slight Chance Showers And Thunderstorms
|
69°F |
5 mph
S
|
|
Sunday
Aug 16
|
Slight Chance Showers And Thunderstorms
|
89°F |
3 to 9 mph
SW
|
|
Sunday Night
Aug 16
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
69°F |
2 to 7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fairfield.