Charleston Weather Blog

Forecast explanations, atmospheric science, and other cool weather-related stuff for Charleston, SC

Weekend forecast: Nice respite for Saturday, a storm possible Sunday

/ May 30, 2025 at 8:45 PM

A welcome respite from the humidity and constant threat of storms arrives in the wake of a cold front on Saturday. It’ll be noticeably cooler in the morning, with lows bottoming out in the low 60s with the cooler and drier air setting into place. Temperatures warm nicely to the mid-80s in the afternoon, and humidity will be on the low side for the end of May, which is a nice cherry on top.

A stalling front and some energy aloft could stir up a few thunderstorms Sunday afternoon, but otherwise it should still be a decent day of weather outside of those storms as dewpoints mix down to the upper 50s in the afternoon. You’ll want to keep an eye out for popups as you embark on your outdoor activities, but many of us should be rain-free for much of the day.

Friday & the weekend: Much better this weekend after a Friday front

/ May 29, 2025 at 9:24 PM

A respite from the rain is coming just in time for the weekend (and it’ll be a beaut), but we’ve got one more day with storms — and the risk for a few severe storms, at that — coming up with a cold front on Friday.

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