Charleston Weather Blog

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

New Year’s forecast: 2026 starting out on a sunny note

/ December 31, 2025 at 6:15 PM

We’ll get 2026 off to a slightly chilly but seasonable start with surface high pressure in control. Temperatures will fall to the mid-30s by morning, with some freezing temperatures possible closer to I-95. With plenty of sunshine, though, temperatures will rebound right to where they should be for the beginning of the year, with highs peaking around 60° in the afternoon. It’ll be a bit breezy, especially in the morning, but those winds will slacken some as we head into the evening.

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Ringing in the new year: Temperatures bottom out Wednesday morning, warm heading into 2026

/ December 30, 2025 at 6:15 PM

2025 will finish on a chilly note, but temperatures will moderate heading into 2026, with near-normal temperatures expected to start the new year.

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Tuesday: Much cooler behind the front

/ December 29, 2025 at 6:15 PM

A cold front getting through the area Monday afternoon will usher in much cooler air for Tuesday. We’ll start the day around freezing away from the coast, with wind chills bottoming out in the mid-to-upper 20s in the morning thanks to northwesterly winds around 5-10 MPH. This breeze continues for much of the day. Despite full sunshine, the ongoing influx of cold air will keep highs pinned to the low 50s across the metro.

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The week ahead: Cooling back off to close 2025

/ December 28, 2025 at 10:12 PM

One more unseasonably warm day is on tap for Monday before the airmass flips, which will help us usher in 2026 on a cooler and more seasonable note.

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Weekend forecast: Record warmth possible Saturday, cooler Sunday

/ December 26, 2025 at 6:15 PM

Quiet weather continues this weekend, though the temperature rollercoaster will continue to roll on as record highs Saturday yield to cooler (but still warmer-than-normal) temperatures on Sunday.

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