Great Falls Park Weather Forecast
- 31
- 44
Chance Rain/Snow
- 17
- 35
Rain/Snow
- 5
- 21
Partly Sunny
- 7
- 22
Chance Snow
- 7
- 20
Partly Sunny
- 15
- 30
Slight Chance Snow
Today 18 Jan Central and Southeast Montgomery
Cloudy with a 40 percent chance of rain Showers. Highs in the mid 40s. South Winds 5 to 10 Mph.
Tonight 18 Jan Central and Southeast Montgomery
Mostly cloudy. Lows around 30. South Winds 5 to 10 Mph.
Great Falls Park Temperature Statistics
January Temperature
Washington/Dulles International Airport, DC (11.2 miles)
Lowest 5 January, 2025
15.9 °FAverage January
30.6 °FHighest 1 January, 2025
49.6 °F
Climate (2020–Present)
Washington/Dulles International Airport, DC (11.2 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
47.9 °FAverage 2020–2025
58.2 °FAverage High 2020–2025
68.3 °F