Colonial Beach Weather Forecast
- 50
- 64
Mostly Sunny
- 61
- 71
Mostly Sunny
- 44
- 75
Rain Likely
- 36
- 56
Chance Rain
- 44
- 54
Breezy
- 44
- 54
Mostly Cloudy
Today 9 Mar Westmoreland
Patchy fog this morning. Mostly sunny. Highs in the mid 70s. Light and variable Winds, becoming south around 5 Mph this afternoon.
Tonight 9 Mar Westmoreland
Clear. Lows in the upper 40s. South Winds around 5 Mph.
Colonial Beach Temperature Statistics
March Temperature
St Marys County Airport (22.4 miles)
Lowest 2 March, 2026
31.5 °FAverage March
43.5 °FHighest 5 March, 2026
61.7 °F
Climate (2021–Present)
St Marys County Airport (22.4 miles)
Average Low 2021–2026
49.3 °FAverage 2021–2026
57.8 °FAverage High 2021–2026
66.6 °F