Fairfield, OH Weather & Growing Conditions
Overnight
62°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 62. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Patchy Fog | 3 mph E | 2% |
| Saturday | 84°F | Widespread Fog then Slight Chance Showers And Thunderstorms | 5 mph SE | 46% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph S | 58% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 46% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 9 mph NE | 46% |
| Monday | 77°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 50% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 50% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 9 mph NE | 43% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 37% |
| Wednesday | 72°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 8 mph N | 27% |
| Wednesday Night | 58°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 8 mph N | 21% |
| Thursday | 73°F | Partly Sunny | 5 to 8 mph N | 10% |
| Thursday Night | 57°F | Mostly Cloudy | 3 to 8 mph N | 10% |
| Friday | 72°F | Mostly Sunny | 3 to 8 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fairfield, OH
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
186 days
Hardiness zone
6b
Explore more for Fairfield, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Fairfield, Oh (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.