Mountain Park Weather Forecast
- 40
- 51
Rain Showers Likely
- 30
- 52
Slight Chance Rain/Snow
- 23
- 39
Mostly Sunny
- 21
- 44
Mostly Sunny
- 22
- 39
Mostly Sunny
- 32
- 50
Mostly Cloudy
Today 16 Jan Gwinnett
Sunny. Highs in the lower 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 16 Jan Gwinnett
Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Not as cold. Near steady temperature in the lower 40s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 50 percent.
Mountain Park Temperature Statistics
January Temperature
Atlanta, De Kalb-Peachtree Airport (9.9 miles)
Lowest 12 January, 2026
27 °FAverage January
53.1 °FHighest 7 January, 2026
72 °F
Climate (2021–Present)
Atlanta, De Kalb-Peachtree Airport (9.9 miles)
Average Low 2021–2026
53 °FAverage 2021–2026
63 °FAverage High 2021–2026
73.5 °F