South Thomaston Weather Forecast
- 65
- 79
Slight Chance Thunderstorms
- 65
- 82
Chance Rain Showers
- 62
- 79
Mostly Sunny
- 62
- 79
Mostly Sunny
- 64
- 79
Slight Chance Thunderstorms
- 67
- 82
Partly Sunny
Today 9 Jul Knox
Mostly sunny. A slight chance of Showers in the afternoon. Warm with Highs in the mid 80s. Light and variable Winds, becoming southwest around 10 Mph with Gusts up to 20 Mph in the afternoon. Chance of rain 20 percent. Heat index Values in the lower 90s in the afternoon.
Tonight 9 Jul Knox
Partly cloudy. Humid with Lows in the mid 60s. Light and variable Winds.
South Thomaston Temperature Statistics
July Temperature
Rockland, Knox County Regional Airport (1.2 miles)
Lowest 6 July, 2026
55 °FAverage July
74.4 °FHighest 2 July, 2026
91.9 °F
Climate (2021–2026)
Rockland, Knox County Regional Airport (1.2 miles)
Average Low 2021–2026
39.5 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
54.8 °F