Currently

• Wind Not Available (gusts to 29 mph)
• Pressure 29.97 in.
• Dewpoint 74°F
• Humidity 54%

Weather Alerts

Issued by the National Weather Service, last updated at 4:10 PM on July 21, 2026

• Dense Smoke Advisoryfor Inland Berkeley from 8:00 PM on July 21, 2026 until 10:00 AM on July 22, 2026

Charleston Area NWS Forecast

• Tonight Partly cloudy. Lows in the lower 80s. South winds 15 to 20 mph with gusts up to 30 mph.
• Wednesday Partly sunny. Highs in the lower 90s. Heat index values up to 109. Southwest winds 15 to 20 mph with gusts up to 30 mph.
• Wednesday Night Partly cloudy. Lows around 80. South winds 15 to 20 mph.
• Thursday Mostly sunny. Highs in the lower 90s. Southwest winds 10 to 15 mph. Heat index values up to 108.
• Thursday Night Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. South winds 10 to 15 mph. Chance of rain 20 percent.
• Friday Partly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50 percent. Heat index values up to 105.
• Friday Night Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 70s. Chance of rain 50 percent.
• Saturday Showers likely with a chance of thunderstorms. Highs in the upper 80s. Chance of rain 70 percent. Heat index values up to 105.
• Saturday Night Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.
• Sunday Showers and thunderstorms likely. Highs around 90. Chance of rain 60 percent. Heat index values up to 105.
• Sunday Night Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 50 percent.
• Monday Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 110.
• Monday Night Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening.
• Tuesday Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 110.

Charleston Weather

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