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Mountain Park, GA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mountain Park, a community in Gwinnett County, Georgia.

Today
94°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 94. Heat index values as high as 100. Northeast wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Mountain Park

WhenTempForecastWindPrecip
Today 94°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph NE 22%
Tonight 71°F Chance Showers And Thunderstorms 0 to 5 mph E 32%
Sunday 91°F Mostly Sunny 0 to 5 mph E 6%
Sunday Night 70°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 mph 20%
Monday 92°F Mostly Sunny then Chance Showers And Thunderstorms 0 mph 30%
Monday Night 70°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 0 mph 61%
Tuesday 86°F Showers And Thunderstorms Likely 0 to 5 mph E 66%
Tuesday Night 68°F Showers And Thunderstorms Likely 5 to 10 mph E 66%
Wednesday 80°F Chance Rain Showers 10 mph NE 37%
Wednesday Night 63°F Chance Showers And Thunderstorms then Partly Cloudy 10 to 15 mph NE 28%
Thursday 79°F Mostly Sunny 5 to 10 mph NE 12%
Thursday Night 62°F Partly Cloudy 5 mph NE 12%
Friday 80°F Mostly Sunny 5 mph NE 8%
Friday Night 61°F Partly Cloudy 5 mph NE 8%

Forecast source: National Weather Service (api.weather.gov) for Mountain Park (33.847, -84.132). Updated through the day.

Growing snapshot for Mountain Park

Last spring frost
Mar 25
First fall frost
Nov 9
Growing season
228 days
Hardiness zone
8a

More local growing data for Mountain Park: nearby ZIP 30047 weather · frost dates · planting calendar · Georgia frost dates

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Climate data from the nearest NOAA station, Atlanta Peachtree Ap, Ga (10.9 mi from Mountain Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.