Lahey Lost Valley Park Weather Forecast
- 66
- 89
Mostly Sunny
- 66
- 86
Mostly Sunny
- 67
- 88
Mostly Sunny
- 72
- 90
Partly Sunny
- 73
- 91
Chance Thunderstorms
- 71
- 90
Chance Thunderstorms
- 71
- 89
Chance Thunderstorms
Today 3 Jul Central and Southeast Montgomery
Mostly sunny. Highs in the upper 80s. West Winds around 5 Mph.
Tonight 3 Jul Central and Southeast Montgomery
Mostly clear. Lows in the mid 60s. Northwest Winds 5 to 10 Mph.
Lahey Lost Valley Park Temperature Statistics
July Temperature
Washington/Dulles International Airport, DC (8.7 miles)
Lowest 1 July, 2025
71.1 °FAverage July
79.2 °FHighest 1 July, 2025
90 °F
Climate (2020–Present)
Washington/Dulles International Airport, DC (8.7 miles)
Average Low 2020–2025
47.9 °FAverage 2020–2025
58.3 °FAverage High 2020–2025
68.5 °F