Charleston Weather Blog

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

Weekend forecast: Chilly Saturday, warmer Sunday

/ November 28, 2025 at 5:35 PM

Overall, expect generally quiet weather to continue this weekend, though Saturday will get off to a very chilly start. Expect another morning around or below freezing across much of the area away from the locally warmer coastline, with breezy northeasterly winds making it feel more like the mid-20s. We’ll only warm to the mid-50s in the afternoon with partly cloudy to mostly sunny skies expected.

High pressure slips offshore overnight, and we’ll start to turn warmer on Sunday as a result as winds go more southerly. We’ll start the day in the low 40s, warming to the upper 60s to near 70° in the afternoon despite an increase in cloud cover over Saturday as a low spins up offshore. We’ll stay dry during the day, but a few showers will be possible overnight into early Monday morning as another front cools us back down to start December.

Thanksgiving: Break out the sweaters

/ November 26, 2025 at 9:57 PM

One front has come through as of this writing Wednesday evening, with another front hot on its heels to pass through overnight into early Thanksgiving morning. This second front is going to bring in quite the cooldown for the next few days, especially as we get into Friday and Saturday, but Thanksgiving will certainly illustrate the contrast from the past few days: expect lows in the mid-40s to warm to just about 60° in the afternoon, which is just a hair warmer than Wednesday’s morning low! We’ll have plenty of sunshine, though, with no weather worries for the holiday.

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Rest of the week: Turning much cooler

/ November 25, 2025 at 10:25 PM

A cold front will come through Wednesday, knocking temperatures down for Thanksgiving and Black Friday.

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Tuesday: More clouds, maybe a shower

/ November 24, 2025 at 6:45 PM

High pressure to our north will be shifting offshore as Tuesday goes on ahead of a storm system moving through the Ohio Valley, allowing a warm front to push northward into the area during the day. Some of us may see a few showers as this warm front moves northward, especially later in the morning and closer to the coast. They’ll be relatively short-lived, clearing the area during the afternoon, and won’t amount to too terribly much rain for those who see any of it at all. It’ll be a mild day once again, with lows in the mid-50s warming to the mid-70s in the afternoon in the wake of the warm front.

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The week ahead: A few more warm days, then cooling back off for Thanksgiving

/ November 23, 2025 at 10:29 PM

We’ll start Thanksgiving week out on an unseasonably warm note, but a temperature correction is incoming starting Thanksgiving Day as a strong cold front moves by. We’ll have a couple more slight rain chances, but overall, we’ll be largely dry as drought conditions continue to creep further into the Lowcountry.

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Weekend forecast: Front restores some order to temperatures Sunday

/ November 21, 2025 at 8:22 PM

Another warmer-than-normal weekend lies ahead, though a front will restore at least a little order to temperatures for Sunday. First, though, a very mild Saturday lies ahead, with temperatures starting in the upper 50s, warming to the upper 70s to around 80° in the afternoon. A stray shower will be possible well inland, but the front will be generally making a dry passage overnight into early Sunday morning. It’s not a particularly potent front; temperatures will only drop a few degrees, but it will be a bit more seasonable regardless. Clouds will be on the decrease throughout the day, so sunshine will increasingly factor in.

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Friday & the weekend: A couple more warm days before a brief cooldown

/ November 20, 2025 at 6:25 PM

After a slightly cooler and more cloudy day courtesy of a backdoor cold front, temperatures will head back into the upper 70s on Friday as the aforementioned front washes out with high pressure moving offshore. We start the day in the mid-50s and perhaps with some fog. Cloud cover will gradually diminish as the day goes on, and we should have a pleasant close to the day as we head into the weekend.

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Thursday: Slightly cooler, but warming back up Friday

/ November 19, 2025 at 7:14 PM

Warm temperatures continue for Thursday, though a nearby front and some more cloud cover will likely preclude temperatures from getting too out of hand. Wednesday’s highs were close to records for the date: 82° at the airport was just a degree shy of the record of 83° set in 1942, while 80° downtown missed the record of 82° set there in 1958. Depending on where the front hangs up, we may yet make another run at records, but the preponderance of the evidence suggests that we’re going to stay in the mid-to-upper 70s on Thursday. The front won’t come with much moisture, so an uptick in cloud cover is about it.

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