Charleston Weather Blog

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

Rest of the work week: A few showers possible Wednesday, then turning colder

/ January 13, 2026 at 6:10 PM

Another big cooldown is in store as we get beyond Hump Day and head into the second half of the work week. First, though, we’ll have a relatively seasonally-appropriate Wednesday, with highs topping out in the upper 50s to around 60° after a low around 40°. There will be a bit more in the way of cloud cover, with a chance for a few showers in the afternoon as low pressure moves northward out of the Bahamas, spreading a little moisture our way. Don’t expect much in the way of any meaningful rainfall, though, if you see any at all.

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Tuesday: Another chilly start, but a bit warmer in the afternoon

/ January 12, 2026 at 7:22 PM

We’ll get off to another rather chilly start on Tuesday, with sheltered and rural locations headed below freezing and the metro getting awfully close (if not tipping below 32°F, too). At least the wind won’t be a factor — maybe a very light breeze, but that’s about it. Temperatures will then warm to around 60° in the afternoon, which if realized would be right on the nose for what climatology considers “normal” for January 13. Expect plenty of sunshine with just a few clouds.

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The week ahead: Feeling much more like January

/ January 11, 2026 at 10:14 PM

This week will have a much different (and more seasonally-appropriate) feel than last week did as multiple shots of cold air are queued up for our neck of the woods.

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Weekend forecast: One more warm day before a front cools things off

/ at 7:19 PM

After a record high on Friday, we’ve got one more warm day ahead before a cold front begins to make things feel a little more like January for Sunday and especially the start of the new work week.

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