Charleston Weather Blog

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

A few showers possible Tuesday

/ November 21, 2022 at 7:31 PM

Cloud cover moving over the area tonight will make for a much warmer start to Tuesday than we saw on Monday, with lows only dipping into the mid to upper 40s. Wakeups will trend even warmer as we get into the rest of the week, with lows in the 50s becoming commonplace through the weekend.

Keep an eye out for a few showers during the day on Tuesday as a coastal trough develops. Otherwise, expect temperatures to top out in the low 60s under mostly cloudy skies.

There will be a risk for a little salt water encroaching on roads around Gadsden Creek (Hagood/Fishburne/Lockwood) around the 6:10am high tide, but more significant flooding is not expected as water levels are expected to peak just shy of the 7′ coastal flooding threshold in Charleston Harbor.

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The week ahead: More seasonable temperatures for Thanksgiving week with a few showers at times

/ November 20, 2022 at 9:36 PM

If you weren’t a huge fan of the winter-like chill that shaped the past week’s weather, here comes a somewhat more seasonable feel to the air for Thanksgiving week. (We’ll also have some showers and some tidal flooding to come along for the ride.)

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Weekend forecast: Chilly with increasing cloud cover

/ November 18, 2022 at 5:52 PM

We have another chilly night in store across the metro area, as another round of frosty conditions may be possible tomorrow morning with temperatures reaching freezing in a few more sheltered and rural areas. Once again, bring pets and plants in to keep them safe from the cold.

We’ll see increasing cloud cover on Saturday as high and mid-level clouds filter into the area, but we should remain rain-free as temperatures struggle to 60° in the afternoon (we reached 59° on Friday with full sunshine, FWIW). A front will get by Saturday night into early Sunday; while we’ll start Sunday in the mid-40s — roughly 11° higher than forecast for Saturday morning — highs will once again struggle back to the mid-50s with cloud cover and cool advection ongoing.

Aside from maybe a sprinkle or two Saturday evening, the weekend looks rain-free. We keep this rain-free weather going until late Tuesday into early Wednesday, with a slight shower chance on Thanksgiving. Temperatures next week will warm back into the low-to-mid-60s, still a few clicks below normal for this point in the year.

Friday & the weekend: Chilly, with frost and freeze possible at times

/ at 5:40 PM
National Weather Service forecast for Friday and the weekend (November 18-20, 2022).

Friday: Mostly sunny. Low 34, high 57. Frost advisory Charleston and tidal Berkeley, Freeze Warning inland Berkeley and Dorchester.

Saturday: Mix of clouds and sun. Low 35, high 59.

Sunday: Mostly cloudy. Low 44, high 54.

We’ve got another chilly weekend ahead, and this time some frosty conditions are expected. Skies will clear tonight, and with light to calm winds expected, solid radiational cooling conditions are probable, allowing temperatures to fall into the mid-30s across much of the metro. This could prompt frost issues in Charleston proper, while places such as Dorchester and inland Berkeley may see a freeze. Thus, a Freeze Warning is up for early Friday morning for inland Berkeley and Dorchester, and a Frost Advisory is in effect for Charleston and tidal Berkeley (Daniel Island, Cainhoy). Be ready to protect plants and pets!

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Clouds and chill hang around Thursday

/ November 16, 2022 at 5:42 PM

We’ve got more clouds and chilly weather in store for Thursday after a rather chilly and somewhat dreary day across the Lowcountry. The high temperatures of 68° at the airport and 70° downtown on Wednesday were set right around midnight as cooler air filtered into the area throughout the day. We should see another near-normal morning Thursday (lows mid-40s) before temperatures once again struggle into the mid-50s in the afternoon, well below the usually nice normal November temperature around 69°. There’s a decent chance we should see a little sun before the day is out, but overall, expect more in the way of gray. Silver lining: No precipitation is expected.

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