Charleston, SC Weather Tomorrow

The Charleston weather tomorrow and 5 day forecast provides precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill throughout the Charleston area and around Berkeley county, South Carolina.
Updated: Mon Oct 12th 2026 1:00 AM EDT
Charleston, SC Weather – 10-12 – Sunny
83° / 63°
Sunny
A sunny day is in the forecast for Charleston, with a high of 83°F and a low of 63°F. There's a very small chance of rainfall, only about 5%. Winds will be light at 9mph and gusts of 22.2mph at 2 AM. The humidity will be on the higher side, averaging about 68%, the maximum being 88% at 7 AM and 46% being its lowest at 3 PM. Barometric pressure is its highest of 30.01inHg at 9 AM, a lowest point of 29.94inHg at 5 PM with an avg 29.98inHg.
Charleston, SC Weather – 10-13 – Sunny
83° / 67°

Weather Tomorrow

Sunny
Daytime highs will reach 83°F with lows dropping to 67°F in Charleston, where bright and sunny conditions. There's a very small chance of rainfall, only about 5%. Winds will be light at 9mph and gusts of 18.6mph at 3 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 84% at 11 PM and 49% being its lowest at 1 PM. Barometric pressure is its highest of 30.09inHg at 10 PM, a lowest point of 30inHg at 4 AM with an avg 30.05inHg.
Charleston, SC Weather – 10-14 – Sunny
83° / 68°
Sunny
Bright and sunny conditions in Charleston, with a high of 83°F and a low of 68°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 8mph and gusts of 18.1mph at 5 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 90% at 7 AM and 48% being its lowest at 2 PM. Barometric pressure is its highest of 30.14inHg at 10 AM, a lowest point of 30.06inHg at 4 AM with an avg 30.09inHg.
Charleston, SC Weather – 10-15 – Sunny
85° / 67°
Sunny
Daytime highs will reach 85°F with lows dropping to 67°F in Charleston, where bright and sunny conditions. There's a very small chance of rainfall, only about 6%. Winds will be light at 8mph and gusts of 18.3mph at 4 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 92% at 11 PM and 40% being its lowest at 1 PM. Barometric pressure is its highest of 30.13inHg at 10 AM, a lowest point of 30.03inHg at 5 PM with an avg 30.08inHg.
Charleston, SC Weather – 10-16 – Sunny
87° / 67°
Sunny
A sunny day is in the forecast for Charleston, with a high of 87°F and a low of 67°F. There's a very small chance of rainfall, only about 8%. Wind will be moderate, blowing around 14mph on average and gusts of 24.8mph at 11 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 96% at 5 AM and 41% being its lowest at 2 PM. Barometric pressure is its highest of 30.03inHg at 1 AM, a lowest point of 29.86inHg at 5 PM with an avg 29.95inHg.
Charleston, SC Weather – 10-17 – Sunny
75° / 58°
Sunny
In Charleston, it will be sunny with highs near 75°F and lows around 58°F. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 16mph on average and gusts of 29.8mph at 8 AM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 56% at 12 AM and 29% being its lowest at 2 PM. Barometric pressure is its highest of 30.43inHg at 11 PM, a lowest point of 29.98inHg at 12 AM with an avg 30.21inHg.

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