Charleston Weather Blog

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

Tuesday: A bit unsettled, a bit warmer

/ August 4, 2025 at 7:22 PM
Weather forecast for Charleston, SC for Tuesday, August 5, 2025. Sun & clouds expected, along with some showers and thunderstorms, especially during the afternoon. High 88, low 73. The forecast data is sourced from the National Weather Service.

We remain on the cool side of normal on Tuesday, though a few more breaks in the clouds should allow temperatures to turn warmer, with highs approaching the mid-to-upper 80s in the afternoon after starting the day in the low 70s. Periods of showers and maybe a few thunderstorms will continue to be possible, though it won’t rain all the time. Some guidance suggests storms kicking off on the seabreeze later in the afternoon, which could produce some heavy downpours considering the continued feed of moisture and energy from the southwest. Severe weather is not expected, though.

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The week ahead: Unsettled with near-normal temperatures

/ August 3, 2025 at 10:08 PM
Weather forecast graphic showing Charleston's weekly outlook for August 4-10. Monday: Thunderstorms likely. High 85, low 72. Tuesday: Thunderstorms likely. High 88, low 72. Wednesday: Thunderstorms likely. High 87, low 73. Thursday: Thunderstorms likely. High 87, low 73. Friday: Thunderstorms likely. High 88, low 72. Saturday: Thunderstorms likely. High 90, low 73. Sunday: Thunderstorms likely. High 91, low 75.

The stalled front to our south which helped bring about much more comfortable temperatures for the weekend will generally meander for the first part of the week as high pressure remains anchored well to the north, keeping our weather periodically unsettled. We’ll then transition back more toward a traditional summer pattern as we head into later in the week.

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