Dorchester Weather Forecast
- 47
- 78
Sunny
- 46
- 63
Partly Sunny
- 56
- 65
Rain Showers
- 49
- 68
Chance Rain Showers
- 41
- 66
Mostly Sunny
- 37
- 56
Mostly Sunny
- 41
- 58
Mostly Sunny
Today 21 Nov Grayson
Sunny. Highs in the lower 70s. West Winds 5 to 10 Mph.
Tonight 21 Nov Grayson
Clear, cooler with Lows in the upper 40s. Northwest Winds around 5 Mph.
Dorchester Temperature Statistics
November Temperature
Sherman/Denison, Grayson County Airport (12.4 miles)
Lowest 10 November, 2025
28.2 °FAverage November
61.6 °FHighest 18 November, 2025
87.8 °F
Climate (2020–Present)
Sherman/Denison, Grayson County Airport (12.4 miles)
Average Low 2020–2025
55.4 °FAverage 2020–2025
64.1 °FAverage High 2020–2025
76.3 °F