Harman US

St. Andrews, SC Weather & Growing Conditions

Overnight
73°F
Slight Chance Rain Showers
A slight chance of rain showers before 3am. Mostly cloudy, with a low around 73. Northwest wind around 1 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 73°F Slight Chance Rain Showers 1 mph NW 15%
Saturday 93°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 6 mph NE 31%
Saturday Night 72°F Chance Showers And Thunderstorms 1 to 6 mph E 27%
Sunday 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 mph NE 23%
Sunday Night 72°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 mph E 23%
Monday 92°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 3 mph SE 46%
Monday Night 72°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 to 3 mph E 57%
Tuesday 88°F Showers And Thunderstorms Likely 1 to 7 mph NE 60%
Tuesday Night 70°F Showers And Thunderstorms Likely 7 mph NE 60%
Wednesday 83°F Partly Sunny then Chance Showers And Thunderstorms 7 to 12 mph NE 31%
Wednesday Night 66°F Chance Showers And Thunderstorms then Mostly Cloudy 6 to 12 mph NE 31%
Thursday 82°F Partly Sunny 10 mph NE 8%
Thursday Night 64°F Partly Cloudy 3 to 9 mph NE 8%
Friday 82°F Mostly Sunny 6 to 9 mph N 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for St. Andrews, SC

Last spring frost
Mar 16
First fall frost
Nov 16
Growing season
245 days
Hardiness zone
8b

Explore more for St. Andrews, SC: full frost dates · planting calendar · South Carolina frost dates

Climate data from the nearest NOAA station, Columbia Univ Of Sc, Sc (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.