Charleston, SC Weather Forecast

Local 7-day forecast

87°
F

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Charleston, SC in one place.

Tuesday, May 26, 2026
Wind: 7 to 13 mph S
Tuesday

A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Mostly sunny, with a high near 87. South wind 7 to 13 mph. Chance of precipitation is 40%.

Local 7-day forecast

Local Weather Overview

This forecast page for Charleston, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 24, 2026 12:45 PM EDT.

The active forecast window currently covers May 26 to May 30, 2026 for Charleston, SC.

Page Snapshot

Page focus
city weather
Forecast window
May 26 to May 30, 2026
Latest sync
May 24, 2026 12:45 PM EDT
Forecast office
CHS
Source
NOAA / NWS
Next High
87°F
Tuesday
Next Low
75°F
Tuesday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
7 to 14 mph
Saturday

Daily Outlook

Today
May 26
Chance Showers And Thunderstorms
87 °F
/ 75°F
Wind 7 to 13 mph
Wed
May 27
Chance Showers And Thunderstorms
87 °F
/ 74°F
Wind 6 to 13 mph
Thu
May 28
Chance Showers And Thunderstorms
88 °F
/ 73°F
Wind 5 to 10 mph
Fri
May 29
Showers And Thunderstorms Likely
85 °F
/ 71°F
Wind 5 to 10 mph
Sat
May 30
Showers And Thunderstorms Likely
80 °F
/ 67°F
Wind 7 to 14 mph

This Week in Charleston

Thursday looks like the warmest upcoming period in Charleston at 88 degrees F.

Saturday Night is the coolest period ahead with temperatures near 67 degrees F.

The strongest winds are forecast for Saturday at about 7 to 14 mph N.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
May 24, 2026 12:45 PM EDT
Coverage
5 days
Time zone
America/New_York
Forecast office
CHS
Radar station
KCLX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tuesday Night
May 26
75°F
Partly Cloudy then Slight Chance Rain Showers
6 to 12 mph S

A slight chance of rain showers after 2am. Partly cloudy, with a low around 75. Chance of precipitation is 20%.

Wednesday
May 27
87°F
Chance Showers And Thunderstorms
6 to 13 mph SW

A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.

Wednesday Night
May 27
74°F
Chance Showers And Thunderstorms
5 to 12 mph SW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.

Thursday
May 28
88°F
Chance Showers And Thunderstorms
5 to 10 mph SW

A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.

Thursday Night
May 28
73°F
Chance Showers And Thunderstorms
5 to 10 mph SW

A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

Friday
May 29
85°F
Showers And Thunderstorms Likely
5 to 10 mph SW

A chance of rain showers before 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 70%.

Friday Night
May 29
71°F
Showers And Thunderstorms Likely
6 to 9 mph S

Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.

Saturday
May 30
80°F
Showers And Thunderstorms Likely
7 to 14 mph N

Rain showers likely before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

Saturday Night
May 30
67°F
Showers And Thunderstorms Likely
8 to 14 mph NE

Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
May 26
Chance Showers And Thunderstorms
87°F
7 to 13 mph
S
Tuesday Night
May 26
Partly Cloudy then Slight Chance Rain Showers
75°F
6 to 12 mph
S
Wednesday
May 27
Chance Showers And Thunderstorms
87°F
6 to 13 mph
SW
Wednesday Night
May 27
Chance Showers And Thunderstorms
74°F
5 to 12 mph
SW
Thursday
May 28
Chance Showers And Thunderstorms
88°F
5 to 10 mph
SW
Thursday Night
May 28
Chance Showers And Thunderstorms
73°F
5 to 10 mph
SW
Friday
May 29
Showers And Thunderstorms Likely
85°F
5 to 10 mph
SW
Friday Night
May 29
Showers And Thunderstorms Likely
71°F
6 to 9 mph
S
Saturday
May 30
Showers And Thunderstorms Likely
80°F
7 to 14 mph
N
Saturday Night
May 30
Showers And Thunderstorms Likely
67°F
8 to 14 mph
NE
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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.