Lake Thoreau Weather Forecast
- 17
- 30
Becoming Sunny
- 26
- 37
Mostly Sunny
- 28
- 48
Mostly Cloudy
- 39
- 53
Rain
- 25
- 47
Partly Sunny
- 36
- 43
Partly Sunny
- 31
- 51
Slight Chance Rain
Today 15 Dec Eastern Loudoun
Mostly cloudy. Highs around 30. Southwest Winds around 5 Mph.
Tonight 15 Dec Eastern Loudoun
Mostly clear. Cold with Lows around 16. South Winds around 5 Mph in the Evening, becoming light and variable.
Lake Thoreau Temperature Statistics
December Temperature
Washington/Dulles International Airport, DC (5.6 miles)
Lowest 9 December, 2025
14 °FAverage December
32.8 °FHighest 10 December, 2025
45 °F
Climate (2020–Present)
Washington/Dulles International Airport, DC (5.6 miles)
Average Low 2020–2025
47.7 °FAverage 2020–2025
58.2 °FAverage High 2020–2025
68.4 °F