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CHARLESTON 7 Day Forecast

NWS Forecast for: Charleston SC
Issued by: National Weather Service Charleston, SC
Last Update: 8:32 pm EDT Jun 18, 2026		Print

Overnight

Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 77. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

Low: 77 °F

Chance
T-storms


Juneteenth

Juneteenth: Showers and thunderstorms, mainly before 11am. High near 89. Breezy, with a west wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

High: 89 °F

Showers and
Breezy then
Chance
T-storms

Friday
Night

Friday Night: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 75. West wind 5 to 8 mph. Chance of precipitation is 20%.

Low: 75 °F

Mostly Cloudy
then Slight
Chance
T-storms

Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. North wind around 7 mph becoming east in the afternoon.

High: 90 °F

Partly Sunny
then Slight
Chance
T-storms

Saturday
Night

Saturday Night: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.

Low: 74 °F

Partly Cloudy



Sunday

Sunday: Mostly sunny, with a high near 91.

High: 91 °F

Mostly Sunny



Sunday
Night

Sunday Night: Partly cloudy, with a low around 77.

Low: 77 °F

Partly Cloudy



Monday

Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.

High: 92 °F

Mostly Sunny
then Chance
T-storms

Monday
Night

Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79.

Low: 79 °F

Chance
T-storms then
Mostly Clear


Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 77. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

Juneteenth: Showers and thunderstorms, mainly before 11am. High near 89. Breezy, with a west wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 75. West wind 5 to 8 mph. Chance of precipitation is 20%.

Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. North wind around 7 mph becoming east in the afternoon.

Saturday Night: Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.

Sunday: Mostly sunny, with a high near 91.

Sunday Night: Partly cloudy, with a low around 77.

Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.

Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79.

Tuesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

Wednesday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

Wednesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.

Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.


Charleston SCSimilar City Names
 32.79°N 80.01°W (Elev. 10 ft)

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