Fairfax, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfax, a town in Allendale County, South Carolina.
Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. Wind around 0 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fairfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 0 mph | 7% |
| Sunday | 88°F | Partly Sunny | 2 mph NE | 12% |
| Sunday Night | 70°F | Partly Cloudy | 1 mph E | 12% |
| Monday | 90°F | Mostly Sunny | 1 mph E | 14% |
| Monday Night | 71°F | Slight Chance Rain Showers | 1 mph SE | 15% |
| Tuesday | 87°F | Partly Sunny then Showers And Thunderstorms Likely | 2 mph NE | 61% |
| Tuesday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph NE | 61% |
| Wednesday | 83°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 8 mph NE | 33% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 33% |
| Thursday | 80°F | Mostly Sunny | 3 to 7 mph NE | 11% |
| Thursday Night | 63°F | Partly Cloudy | 1 to 6 mph NE | 11% |
| Friday | 81°F | Mostly Sunny | 3 mph N | 6% |
| Friday Night | 62°F | Partly Cloudy | 2 mph NE | 6% |
| Saturday | 80°F | Mostly Sunny | 0 to 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Fairfax (32.959, -81.236). Updated through the day.
Growing snapshot for Fairfax
Last spring frost
Mar 28
First fall frost
Nov 7
Growing season
224 days
Hardiness zone
8b
More local growing data for Fairfax: nearby ZIP 29827 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
All South Carolina locations ›
Climate data from the nearest NOAA station, Allendale 2 Nw, Sc (5.4 mi from Fairfax). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.