Sumter, SC Weather Tomorrow

Explore tomorrow's Sumter weather before planning your week with a detailed 5 day forecast featuring 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 for the Sumter area and around Sumter county, South Carolina.
Updated: Fri Nov 6th 2026 11:00 PM EST
Sumter, SC Weather – 11-6 – Overcast
77° / 61°
Overcast
Sumter, SC Weather – 11-7 – Sunny
71° / 54°

Weather Tomorrow

Sunny
Daytime highs will reach 71°F with lows dropping to 54°F in Sumter, where bright and sunny conditions. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 11mph on average and gusts of 21.9mph at 5 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 86% at 1 AM and 38% being its lowest at 2 PM. Barometric pressure is its highest of 30.08inHg at 11 PM, a lowest point of 29.9inHg at 12 AM with an avg 29.99inHg.
Sumter, SC Weather – 11-8 – Sunny
69° / 46°
Sunny
Highs will reach 69°F with lows near 46°F in Sumter, where sunshine is. There's a very small chance of rainfall, only about 3%. Winds will be light at 8mph and gusts of 22.2mph at 12 AM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 76% at 7 AM and 33% being its lowest at 2 PM. Barometric pressure is its highest of 30.18inHg at 9 AM, a lowest point of 30.06inHg at 4 PM with an avg 30.11inHg.
Sumter, SC Weather – 11-9 – Sunny
76° / 50°
Sunny
Daytime highs will reach 76°F with lows dropping to 50°F in Sumter, where it will be sunny. There's a very small chance of rainfall, only about 3%. Winds will be light at 7mph and gusts of 10.2mph at 10 AM. Humidity levels should be comfortable, sitting around 53% on average, the maximum being 86% at 7 AM and 26% being its lowest at 3 PM. Barometric pressure is its highest of 30.15inHg at 8 AM, a lowest point of 30.05inHg at 4 PM with an avg 30.1inHg.
Sumter, SC Weather – 11-10 – Overcast
77° / 49°
Overcast
In Sumter, overcast is likely with a high near 77°F and a low around 49°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 11mph on average and gusts of 14.4mph at 2 PM. Humidity levels should be comfortable, sitting around 40% on average, the maximum being 71% at 7 AM and 15% being its lowest at 2 PM. Barometric pressure is its highest of 30.13inHg at 7 AM, a lowest point of 30.01inHg at 3 PM with an avg 30.08inHg.
Sumter, SC Weather – 11-11 – Sunny
73° / 49°
Sunny
Sumter is set for sunshine with temperatures peaking at 73°F and dipping to 49°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 5mph and gusts of 14.5mph at 10 PM. Humidity levels should be comfortable, sitting around 47% on average, the maximum being 78% at 7 AM and 23% being its lowest at 12 PM. Barometric pressure is its highest of 30.01inHg at 1 AM, a lowest point of 29.83inHg at 11 PM with an avg 29.94inHg.

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