SUMTER, SC 29154 Weather Forecast & Current Conditions

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SUMTER/SHAW AFB, SC
Current Weather

10:55 PM EDT JUN 19, 2025
Clear
81°F
Feels Like: 84°F
Dewpoint: 70°F
Rel. Hum.: 69%
Visibility: 10 miles
Wind: SW at 10 mph
Pressure: 29.99 inches
Last 72 hours

Local Area Snow Depth

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SUMTER, SC 29154
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
OVERNIGHT
Mostly cloudy late this evening, then becoming partly cloudy. A slight chance of showers and thunderstorms late this evening. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 20 percent.
FRIDAY
Sunny. Highs in the lower 90s. North winds around 5 mph.
FRIDAY NIGHT
Mostly clear. Lows in the lower 70s. Light and variable winds.
SATURDAY
Sunny. Highs in the lower 90s. Light and variable winds, becoming southeast around 5 mph in the afternoon.
SATURDAY NIGHT
Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable.
SUNDAY
Sunny. Highs in the mid 90s.
SUNDAY NIGHT
Mostly clear. Lows in the lower 70s.
MONDAY
Sunny. Highs in the mid 90s.
MONDAY NIGHT
Mostly clear. Lows in the lower 70s.
TUESDAY
Sunny. Highs in the upper 90s. Heat index values up to 110.
TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.
WEDNESDAY
Sunny. Highs in the upper 90s.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s.

Visible Weather Satellite
SUMTER, SC 29154
Infrared Weather Satellite
SUMTER, SC 29154
NEXRAD Weather Radar
SUMTER, SC 29154

SUMTER/SHAW AFB, SC 3 hourly weather forecast

weather forecast created  6:00 AM MDT  6/19/2025
Thursday
19 JUN 2025
SUMTER, SC 29154 weather forecast Day 1, 12 hours 2 PM 90° 96° Partly Cloudy 30%
RAIN
***
0% Thunder
( 59% severe)
WSW   13 54% 71°
High 92° SUMTER, SC 29154 weather forecast Day 1, 15 hours 5 PM 91° 98° Partly Cloudy SW   13 52% 71°
Partly Cloudy

Chance of Rain

SUMTER, SC 29154 weather forecast Day 1, 18 hours 8 PM 84° 89° Partly Cloudy 27%
RAIN
***
0% Thunder
( 35% severe)
SW   8 65% 71°
SUMTER, SC 29154 weather forecast Day 1, 21 hours 11 PM 78° 80° Partly Cloudy WSW   7 79% 71°
Friday
20 JUN 2025
SUMTER, SC 29154 weather forecast Day 2, 0 hours 2 AM 75° 75° Partly Cloudy 6%

0% Thunder
( 9% severe)
WSW   6 87% 71°
Low 72° SUMTER, SC 29154 weather forecast Day 2, 3 hours 5 AM 73° 73° Partly Cloudy WSW   5 90% 70°
High 93° SUMTER, SC 29154 weather forecast Day 2, 6 hours 8 AM 76° 77° Partly Cloudy 2%

0% Thunder
( 13% severe)
NW   5 85% 71°

Partly Cloudy



SUMTER, SC 29154 weather forecast Day 2, 9 hours 11 AM 84° 89° Partly Cloudy NE   5 65% 71°
SUMTER, SC 29154 weather forecast Day 2, 12 hours 2 PM 88° 93° Partly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 34% severe)
NNE   3 54% 69°
SUMTER, SC 29154 weather forecast Day 2, 15 hours 5 PM 90° 95° Partly Cloudy NNE   5 50% 69°
SUMTER, SC 29154 weather forecast Day 2, 18 hours 8 PM 86° 91° Partly Cloudy 4%

0% Thunder
( 18% severe)
ENE   2 59% 70°
SUMTER, SC 29154 weather forecast Day 2, 21 hours 11 PM 79° 82° Partly Cloudy SE   1 74% 70°
Saturday
21 JUN 2025
SUMTER, SC 29154 weather forecast Day 3, 0 hours 2 AM 76° 77° Clear 1%

0% Thunder
( 4% severe)
S   1 85% 71°
Low 73° SUMTER, SC 29154 weather forecast Day 3, 3 hours 5 AM 74° 74° Partly Cloudy SE   1 93% 72°
High 94° SUMTER, SC 29154 weather forecast Day 3, 6 hours 8 AM 77° 78° Partly Cloudy 5%

0% Thunder
( 11% severe)
SE   1 87% 73°

Partly Cloudy



SUMTER, SC 29154 weather forecast Day 3, 9 hours 11 AM 87° 94° Partly Cloudy ESE   2 63% 73°
SUMTER, SC 29154 weather forecast Day 3, 15 hours 2 PM 90° 96° Partly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 33% severe)
ESE   5 52% 70°
SUMTER, SC 29154 weather forecast Day 3, 18 hours 5 PM 91° 97° Partly Cloudy SE   6 50% 70°
SUMTER, SC 29154 weather forecast Day 3, 21 hours 8 PM 85° 91° Partly Cloudy     SSE   5 65% 72°

SUMTER/SHAW AFB, SC extended weather forecast

Sunday
22 JUN 2025
Monday
23 JUN 2025
Tuesday
24 JUN 2025
Wednesday
25 JUN 2025
Thursday
26 JUN 2025
Low 73° Low 74° Low 76° Low 75° Low 76°
High 95° High 97° High 99° High 96° High 95°
SUMTER, SC 29154 weather forecast Day 4 SUMTER, SC 29154 weather forecast Day 5 SUMTER, SC 29154 weather forecast Day 6 SUMTER, SC 29154 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
10% Rain
Partly Cloudy
16% Rain
Partly Cloudy
24% Rain
Partly Cloudy
40% Rain
Partly Cloudy
31% Rain
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