Diablo Lake Weather Forecast
- 43
- 54
Rain Showers Likely
- 43
- 56
Rain Likely
- 38
- 48
Chance Rain
- 32
- 44
Rain/Snow
- 28
- 41
Rain/Snow
Today 11 Apr Foothills and Valleys of the North Cascades
A chance of rain in the Morning, then rain likely in the late morning and early afternoon. A chance of rain late in the afternoon. Rainfall Amounts a quarter to a half inch possible. Highs in the 50s. Light wind becoming south to 10 Mph in the afternoon.
Tonight 11 Apr Foothills and Valleys of the North Cascades
Mostly cloudy. A chance of rain in the Evening, then a slight chance of rain after midnight. Patchy fog after midnight. Lows in the mid 40s. Light wind.
Diablo Lake Temperature Statistics
April Temperature
Arlington Municipal Airport (60.9 miles)
Lowest 8 April, 2026
30 °FAverage April
48.7 °FHighest 6 April, 2026
69.1 °F
Climate (2021–Present)
Arlington Municipal Airport (60.9 miles)
Average Low 2021–2026
42.6 °FAverage 2021–2026
50.9 °FAverage High 2021–2026
59.9 °F