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last updated at 1:50 PM on March 17, 2026

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Issued by the National Weather Service, last updated at 2:06 PM on March 17, 2026

Charleston Weather Discussion

The latest forecast and discussion for the Charleston, SC metro area

Tuesday: Much cooler in the wake of the front

/ March 16, 2026 at 9:21 PM

Thankfully, the atmosphere did not live up to its potential on Monday, leaving us to get some much-needed rain without any of the shenanigans that we thought might come with. The cold front is through now, and temperatures will be falling into the mid-30s overnight in the metro, with subfreezing temperatures expected further inland, perhaps in parts of Berkeley and Dorchester counties. Elsewhere, frost shouldn’t be much of a factor given elevated winds continuing overnight.

Temperatures will only peak in the mid-50s on Tuesday despite plenty of sunshine, owing to the potency of the cold airmass.

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Charleston Area NWS Forecast

Forecast for Charleston updated at 9:42 AM on March 17, 2026