St. George Airport Weather Forecast
- 68
- 90
Mostly Sunny
- 71
- 94
Partly Sunny
- 68
- 93
Chance Rain Showers
- 66
- 90
Partly Sunny
- 66
- 92
Slight Chance Thunderstorms
- 67
- 90
Mostly Cloudy
Today 15 May Dorchester
Sunny. Highs in the lower 90s. Southwest Winds 5 to 10 Mph.
Tonight 15 May Dorchester
Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 60s. Southwest Winds 5 to 10 Mph.
St. George Airport Temperature Statistics
May Temperature
Summerville Airport (16.2 miles)
Lowest 6 May, 2025
53.6 °FAverage May
70.6 °FHighest 9 May, 2025
86 °F
Climate (2020–Present)
Summerville Airport (16.2 miles)
Average Low 2020–2025
56.4 °FAverage 2020–2025
65.8 °FAverage High 2020–2025
76.8 °F