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Summerville, Georgia Weather Forecast
Summerville, Georgia Weather
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Weather Forecast for Summerville, Georgia : Gwinnett County
Issued: 5:35 am EST Dec 18, 2025 Latitude: 33.9478812 Longitude: -84.0312983 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Friday Saturday Sunday Monday Tuesday Wednesday
90% chance of rain on Today 80% chance of thunderstorms on Tonight Sunny on Friday Sunny on Saturday 20% chance of rain on Sunday Sunny on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday
High: 58°F Low: 40°F High: 52°F High: 58°F High: 62°F High: 53°F High: 56°F High: 67°F
Low: 31°F Low: 39°F Low: 35°F Low: 34°F Low: 44°F  
Rain Thunderstorms Sunny Sunny Rain Sunny Partly Sunny Mostly Sunny
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Current Conditions at
LAWRENCEVILLE - (KLZU)
48°
Cloudy
as of 7:56 AM EST
Rel. Humidity: 61%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: MVFR
Wind Data
6 MPH
050° Northeast
Cloud Level(s): Solid Overcast at 1800ft
Current Conditions at
DEKALB-PEACHTREE - (KPDK)
52°
Cloudy
as of 7:53 AM EST
Rel. Humidity: 76%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1800ft
Current Conditions at
WINDER - (KWDR)
46°
Cloudy
as of 7:55 AM EST
Rel. Humidity: 61%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
GAINESVILLE - (KGVL)
52°
Cloudy
as of 7:53 AM EST
Rel. Humidity: 53%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: MVFR
Wind Data
6 MPH
080° East
Cloud Level(s): Solid Overcast at 2200ft
90% chance of rain Today Today... Rain, mainly after 10am. High near 58. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

80% chance of thunderstorms Tonight Tonight... Rain and thunderstorms before 2am, then a slight chance of showers and thunderstorms between 2am and 3am. Low around 40. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunny on Friday Friday... Sunny, with a high near 52. West wind 10 to 15 mph, with gusts as high as 25 mph.

Clear on Friday Night Friday Night... Clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

Sunny on Saturday Saturday... Sunny, with a high near 58. Calm wind becoming southeast around 5 mph in the afternoon.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 39.

20% chance of rain Sunday Sunday... A 20 percent chance of showers. Mostly sunny, with a high near 62.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 35.

Sunny on Monday Monday... Sunny, with a high near 53.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 34.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 56.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 44.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 67.

Current Radar Image


Sun Almanac for Summerville, Georgia
Sunrise: 07:36 AM
Sunset: 5:30 PM
Civil Sunrise:07:08 AM
Civil Sunset: 5:57 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 6:29 PM
Astro Sunrise: 06:07 AM
Astro Sunset: 6:59 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.