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Sumter High School, SC Weather Forecast

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Sumter High School, SC Weather Forecast

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Sumter High School SC weather - Clear - 59°F
Clear
59°F
Updated 11:39 pm
Feels Like 51°F
Humidity 49%
Wind N 0 mph
Barometer  30.17 in
Dew Point 40°F
Sumter High School SC weather - Clear - 15°C
Clear
15°C
Updated 11:39 pm
Feels Like 11°C
Humidity 49%
Wind N 0 km/h
Barometer  102.1 kPa
Dew Point 5°C
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Sumter High School Weather Forecast

OVERNIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Sumter High School, SC Weather - Overnight Mostly Clear Sumter High School, SC Weather - Wednesday Sunny Sumter High School, SC Weather - Wednesday Night Clear Sumter High School, SC Weather - Thursday Sunny Sumter High School, SC Weather - Thursday Night Clear Sumter High School, SC Weather - Friday Sunny Sumter High School, SC Weather - Friday Night Clear Sumter High School, SC Weather - Saturday Sunny Sumter High School, SC Weather - Saturday Night Clear Sumter High School, SC Weather - Sunday Sunny Sumter High School, SC Weather - Sunday Night Mostly Clear Sumter High School, SC Weather - Monday Sunny
Mostly Clear Sunny Clear Sunny Clear Sunny Clear Sunny Clear Sunny Mostly Clear Sunny
Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
 Lo: 45°FLo: 7°C Hi: 75°FHi: 24°C
 Lo: 45°FLo: 7°C Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1008 PM EDT Tue Oct 20 2026 Sumter High School, SC Weather - WeatherWorld.com

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Sumter High School Forecast Discussion

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Issued: 818 PM EDT Tue Oct 20 2026

Key Messages

  • 1. Dry weather continues the remainder of this week with temperatures near normal.

Discussion

... Key Message 1: Dry weather continues the remainder of this week with temperatures near normal.

There is little change in the forecast for overnight lows tonight, as another chilly night is expected with strong radiational cooling conditions. Passing cirrus are seen at the moment and may continue overnight, but these clouds appear fairly thin and may have limited impact on temperatures. Over...