Summerville

Sublette County, South Carolina, United States

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Current Weather

21°

Clear

Feels Like: 15°

Min: 18°

Max: 29°

The next few hours will be clear, with today reaching 29°C and dropping to 10°C. The coming days will be clear throughout the day.

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Hourly Forecast

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Today
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Daylight Hours

07:10

Sunrise

19:19

Sunset

12 hours 9 minutes of sunlight today

Moon

Waxing Crescent

12:36

Moonrise

21:48

Moonset

Daily Forecast

Today

18°
29°

Thursday

27°

Friday

10°
28°

Saturday

10°
29°

Sunday

11°
29°

Monday

10°
27°

Tuesday

27°

Wednesday

10°
27°

Thursday

23°
30°

Friday

21°
29°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

94% Very Humid
Low High

Weather in Summerville today, September 16, 2026

Cloud cover dominates in Summerville on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The first half of the day looks overcast, as cloud amounts reach about 100% around 06:00. Brighter weather, if it comes, waits until later.

Expect highs of 29°C and cooler readings close to 18°C. Expect humidity between 24% and 94%, most humid near 02:00. Airflow remains manageable, reaching about 4.1 km/h around 13:00.

The afternoon keeps an overcast feel, as cloud reaches about 100% around 15:00. Outdoor plans may still want a flexible backup. Expect visibility near 15.6 km, with poorer spells close to 13.7 km. Daylight runs from 07:10 to 19:19, lasting 12 hours 9 minutes of sunlight today.

Overall, Summerville on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 29°C.

Frequently asked questions about weather in Summerville

How warm does it get in Summerville?

The warmest month in Summerville is July, with average high temperatures of 33°C. The average temperature during this period is around 28°C.

How cold does it get in Summerville?

The coldest month in Summerville is January, with average low temperatures of 5°C. The average temperature during this period is around 10°C.

What is the wettest time of year in Summerville?

The wettest month in Summerville is July, with an average of 182mm of precipitation.

What is the driest time of year in Summerville?

The driest month in Summerville is November, with an average of 53mm of precipitation.

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Metric (°C, km/h)