Chesapeake Bay - Flag Harbor Weather Forecast
- 46
- 54
Mostly Sunny
- 58
- 64
Chance Rain Showers
- 60
- 74
Mostly Cloudy
- 61
- 70
Chance Rain Showers
- 47
- 73
Rain Showers Likely
- 43
- 55
Partly Sunny
- 51
- 57
Chance Rain Showers
Today 27 Mar Calvert
Sunny. Highs in the upper 50s. West Winds around 10 Mph with Gusts up to 20 Mph.
Tonight 27 Mar Calvert
Mostly clear. Lows around 40. South Winds 5 to 10 Mph.
Chesapeake Bay - Flag Harbor Temperature Statistics
March Temperature
St Marys County Airport (10.6 miles)
Lowest 3 March, 2025
21.2 °FAverage March
47.8 °FHighest 20 March, 2025
73.4 °F
Climate (2020–Present)
St Marys County Airport (10.6 miles)
Average Low 2020–2025
49.4 °FAverage 2020–2025
57.8 °FAverage High 2020–2025
66.5 °F