Charleston Weather Blog

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

Weekend forecast: Staying unsettled, especially Saturday

/ August 28, 2026 at 9:08 PM

Unsettled weather continues this weekend with plenty of moisture remaining available across the area and a front to the west, though we should start to see a downtick in rain coverage starting Sunday as high pressure begins to rebuild aloft and that front falls apart.

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Friday & the weekend: Staying unsettled at times

/ August 27, 2026 at 10:34 PM

A front at the surface and a trough of low pressure aloft will keep things on the unsettled side heading into Friday and the weekend, with the potential for heavy rain especially Friday and Saturday.

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Thursday: Off & on storms continue with localized downpours

/ August 26, 2026 at 5:45 PM

Thursday’s weather setup will be similar to what we saw on Wednesday with scattered to numerous thunderstorms affecting some spots while the sun peeks out elsewhere. Temperatures will start in the low to mid-70s once again, warming to around 90° in the afternoon — just a smidge above normal for late August. The severe weather risk is low, but once again, a storm or two could produce gusty winds. There is also the risk for flooding given slow storm motions and potential training of rain across the same spots, so stay alert as you get out and about tomorrow.

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Rest of the work week: Turning more unsettled

/ August 25, 2026 at 10:02 PM

Afternoon shower and thunderstorm coverage will gradually increase over the next few days as a trough of low pressure remains draped over the eastern third of the country and moisture return continues to improve.

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