Potomac River - Marbury Point Weather Forecast
- 27
- 59
Chance Rain
- 27
- 37
Partly Sunny
- 28
- 43
Mostly Cloudy
- 25
- 38
Mostly Cloudy
- 27
- 39
Partly Sunny
- 30
- 42
Chance Rain
Today 29 Dec District of Columbia
Cloudy with a chance of rain in the Morning, then mostly sunny in the afternoon. Windy with Highs in the lower 60s. Temperature falling into the mid 40s in the afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph, increasing to west 25 to 30 Mph with Gusts up to 50 Mph in the afternoon. Chance of rain 50 percent.
Tonight 29 Dec District of Columbia
Cloudy with a 20 percent chance of rain. Lows in the lower 40s. Temperature rising into the lower 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.
Potomac River - Marbury Point Temperature Statistics
December Temperature
Washington/Reagan National Airport, DC (1.9 miles)
Lowest 15 December, 2025
18 °FAverage December
37.1 °FHighest 19 December, 2025
59 °F
Climate (2020–Present)
Washington/Reagan National Airport, DC (1.9 miles)
Average Low 2020–2025
52.5 °FAverage 2020–2025
60.4 °FAverage High 2020–2025
69.1 °F