Charleston Weather Blog

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

Friday & the weekend: Turning hotter

/ June 13, 2024 at 6:05 PM

Temperatures climb fairly sharply before dropping off back toward normal as we get into Friday and the weekend. Friday will start around 70°, warming to the mid-90s in the afternoon under mostly sunny skies as ridging builds aloft. We make a run toward the Lachey mark on Saturday as highs top out near 98° away from the coast. Dewpoints in the low 70s will contribute to heat indices approaching 104° or so during the height of the afternoon, so be sure that you’re getting enough hydration and taking breaks if you’re going to spend time outdoors. Temperatures back off a bit for Sunday as the wind turns more onshore, but will still be plenty of warm with highs around 90°.

We’ll stay rain-free Friday, but the standard afternoon chance of scattered showers and thunderstorms re-enters the weather picture on Saturday into Sunday as another front stalls out nearby. Overall, though, we should see more sunshine than not. Try to stay cool!

Thursday: A few storms possible as low pressure passes offshore

/ June 12, 2024 at 10:56 PM

Thursday could feature a few showers and storms brushing the coast as low pressure tries to organize along a stationary front that’s been lingering offshore for the past few days. It’ll otherwise be a fairly standard warm June day — lows in the low 70s yielding to highs around 90° in the afternoon under a mix of sun and clouds. Dewpoints in the upper 60s will help keep heat indices from getting too far out of hand, thankfully.

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Rest of the work week: Generally on the warm side and mostly rain-free

/ June 11, 2024 at 6:42 PM

The rest of the work week will generally trend warmer and stay mostly rain-free, especially the further inland you are. Expect generally partly cloudy skies Wednesday, though we’ll see a disturbance swing through later in the day that’ll add some high cloud cover to the mix. Expect highs to top out in the upper 80s to around 90° after a start around 70°.

The aforementioned disturbance in association with the stalled front nearby could kick up some stray showers and thunderstorms on Thursday, especially near the coast. Most locations inland of 17 could have a brief window for a storm or two Thursday morning, but the vast majority of us should get the day in rain-free. Temperatures get a little warmer, with a low 70s start yielding to highs in the low 90s.

The disturbance and associated low is out of here by Friday, yielding a warm and mostly sunny day. Once again, we start in the low 70s, warming to the low to mid-90s in the afternoon. We’ll keep this warming trend going into the weekend, with upper 90s possible on Saturday.

Tuesday: Considerably quieter, a little less humid

/ June 10, 2024 at 10:38 PM

It’s a low bar to clear, but Tuesday will be much quieter than Monday was weather-wise as drier air noses in from the northeast. This should be enough to keep storms, much less significant cloud cover, at bay for a day. We start the day in the upper 60s to around 70°, warming to about 90° in the afternoon under mostly sunny skies. Unfortunately, we’ll need the good weather for some cleanup after severe storms brought large hail and damaging winds to the Summerville area on Monday evening.

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