Northwest Island Weather Forecast
- 41
- 48
Rain Showers
- 41
- 48
Rain
- 38
- 47
Chance Rain
- 35
- 43
Chance Rain
- 37
- 42
Chance Rain
- 39
- 45
Chance Rain
Today 21 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties
A chance of Showers in the Morning, then Showers likely early in the afternoon. Showers late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the mid 40s to lower 50s. Southeast wind 10 to 20 Mph becoming south in the afternoon. Gusts to 30 Mph.
Tonight 21 Dec Lowlands of Western Skagit and Northwestern Snohomish Counties
Showers in the Evening, then Showers likely late in the evening. A chance of Showers after midnight. Rainfall Amounts a quarter to a half inch possible. Lows near 40. South wind 10 to 15 Mph.
Northwest Island Temperature Statistics
December Temperature
Whidbey Island Naval Air Station - Ault Field (4.3 miles)
Lowest 1 December, 2025
34 °FAverage December
47.2 °FHighest 15 December, 2025
61 °F
Climate (2020–Present)
Whidbey Island Naval Air Station - Ault Field (4.3 miles)
Average Low 2020–2025
44.5 °FAverage 2020–2025
50.1 °FAverage High 2020–2025
56.1 °F