Fairfax, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfax, a village in Hamilton County, Ohio.
Tonight
61°F
Mostly Cloudy then Showers And Thunderstorms Likely
A chance of rain showers between 1am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Southeast wind 8 to 12 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Fairfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Mostly Cloudy then Showers And Thunderstorms Likely | 8 to 12 mph SE | 71% |
| Wednesday | 68°F | Showers And Thunderstorms | 10 to 14 mph S | 99% |
| Wednesday Night | 52°F | Chance Rain Showers | 2 to 8 mph SW | 35% |
| Thursday | 66°F | Mostly Sunny | 3 to 10 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Friday | 62°F | Partly Sunny | 0 to 8 mph NW | 6% |
| Friday Night | 41°F | Partly Cloudy | 6 mph NW | 14% |
| Saturday | 56°F | Mostly Sunny | 2 to 7 mph NW | 13% |
| Saturday Night | 36°F | Partly Cloudy | 2 mph NW | 11% |
| Sunday | 58°F | Mostly Sunny | 0 to 8 mph W | 7% |
| Sunday Night | 35°F | Partly Cloudy | 2 to 6 mph W | 13% |
| Monday | 60°F | Sunny | 2 to 9 mph W | 13% |
| Monday Night | 38°F | Mostly Clear | 6 mph SW | 9% |
| Tuesday | 64°F | Sunny | 5 to 9 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Fairfax (39.143, -84.397). Updated through the day.
Growing snapshot for Fairfax
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
6b
More local growing data for Fairfax: nearby ZIP 45227 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Addyston
Amberley
Arlington Heights
Blue Ash
Blue Jay
Brecon
Bridgetown
Camp Dennison
Cherry Grove
Cheviot
Cincinnati
Cleves
Coldstream
Concorde Hills
Covedale
Deer Park
Delhi Hills
Delshire
Dent
Dillonvale
Dry Ridge
Dry Run
Dunlap
Elizabethtown
Elmwood Place
Evendale
Finneytown
Forest Park
Forestville
Fruit Hill
Climate data from the nearest NOAA station, Cincinnati Lunken Ap, Oh (3.9 mi from Fairfax). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.