Fort Casey Weather Forecast
- 42
- 52
Rain
- 38
- 50
Rain
- 38
- 48
Rain Likely
- 39
- 50
Rain
- 39
- 51
Rain
- 36
- 48
Chance Rain/Snow
Today 22 Feb Island County
Windy. Rain at Times in the Morning, then rain likely in the late morning and early afternoon. A chance of rain late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. Southeast wind 15 to 25 Mph becoming south 15 to 30 Mph in the afternoon. Gusts to 40 Mph.
Tonight 22 Feb Island County
Rain at Times. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the 40s. Southeast wind 10 to 20 Mph with Gusts to 30 Mph.
Fort Casey Temperature Statistics
February Temperature
Whidbey Island Naval Air Station - Ault Field (13 miles)
Lowest 19 February, 2026
28.9 °FAverage February
43.2 °FHighest 3 February, 2026
55.9 °F
Climate (2021–Present)
Whidbey Island Naval Air Station - Ault Field (13 miles)
Average Low 2021–2026
44.5 °FAverage 2021–2026
50.1 °FAverage High 2021–2026
56.1 °F