Garrison Dam Weather Forecast
- 39
- 61
Becoming Sunny
- 45
- 75
Mostly Sunny
- 51
- 77
Breezy
- 43
- 76
Chance Rain Showers
- 43
- 68
Partly Sunny
- 47
- 71
Mostly Sunny
Today 2 May McLean
Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.
Tonight 2 May McLean
Mostly clear. Lows in the upper 30s. South Winds 5 to 10 Mph.
Garrison Dam Temperature Statistics
May Temperature
Garrison (10.6 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Garrison (10.6 miles)
Average Low 2020–2025
31.2 °FAverage 2020–2025
42.6 °FAverage High 2020–2025
54.1 °F