Forecast for St. Andrews, SC | Forecast Periods: 14
Sunday
Mar 15
2026
St. Andrews, SC
Updated: 2:21 PM EDT
75°F
Chance T-storms
10 mph SE
Precipitation: 38%
A chance of thunderstorms and a chance of rain. Partly sunny, with a high near 75. Southeast wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Hourly Forecast
Extended Forecast
Tonight
Sun, Mar 15
64°F
Slight Chance Light Rain then Chance T-storms
6 mph S
Precipitation: 64%
A slight chance of rain before 8pm, then a chance of thunderstorms and a chance of rain between 1am and 3am, then rain likely and a chance of thunderstorms between 3am and 4am, then a chance of thunderstorms and a chance of rain. Mostly cloudy, with a low around 64. South wind 6 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Monday
Mon, Mar 16
73°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
10 mph SW
Precipitation: 93%
A chance of rain before 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers and thunderstorms between 11am and 5pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 73, with temperatures falling to around 57 in the afternoon. Southwest wind 10 to 20 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Mon, Mar 16
31°F
Chance Light Rain then Partly Cloudy
7 mph W
Precipitation: 41%
A chance of rain and a slight chance of thunderstorms before 7pm, then a slight chance of thunderstorms and a slight chance of rain between 7pm and 8pm. Partly cloudy, with a low around 31. West wind 7 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Tuesday
Tue, Mar 17
51°F
Sunny
6 mph W
Precipitation: 0%
Sunny, with a high near 51. West wind 6 to 12 mph.
Tuesday Night
Tue, Mar 17
29°F
Mostly Clear
2 mph N
Precipitation: 0%
Mostly clear, with a low around 29.
Wednesday
Wed, Mar 18
52°F
Mostly Sunny
3 mph E
Precipitation: 0%
Mostly sunny, with a high near 52.
Wednesday Night
Wed, Mar 18
31°F
Mostly Clear
2 mph E
Precipitation: 1%
Mostly clear, with a low around 31.
Thursday
Thu, Mar 19
65°F
Sunny
1 mph NW
Precipitation: 3%
Sunny, with a high near 65.
Thursday Night
Thu, Mar 19
41°F
Mostly Clear
3 mph SW
Precipitation: 4%
Mostly clear, with a low around 41.
Friday
Fri, Mar 20
73°F
Sunny
1 mph NW
Precipitation: 2%
Sunny, with a high near 73.
Friday Night
Fri, Mar 20
48°F
Partly Cloudy
3 mph SW
Precipitation: 2%
Partly cloudy, with a low around 48.
Saturday
Sat, Mar 21
80°F
Mostly Sunny
3 mph SW
Precipitation: 3%
Mostly sunny, with a high near 80.
Saturday Night
Sat, Mar 21
53°F
Mostly Clear
5 mph W
Precipitation: 4%
Mostly clear, with a low around 53.