Charleston Weather Blog

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

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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Friday & the weekend: Morning fog returns as temperatures peak ahead of a front

/ January 8, 2026 at 7:26 PM

Another round of fog is expected overnight into Friday morning as abnormally warm temperatures continue across the Lowcountry. Lows will fall into the mid-50s, reaching the dewpoint with relatively calm winds. Once again, be prepared for low visibility and delays due to fog as you commute Friday morning. Like Thursday, the fog should mix out by mid-morning, and from there, temperatures will head to the mid-to-upper 70s. We’ll challenge the record high of 78° set in 2012 with a mix of sun and clouds in the afternoon.

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