Decatur Island - Davis Bay Weather Forecast
- 49
- 57
Rain
- 46
- 55
Rain Showers
- 43
- 53
Rain Likely
- 45
- 52
Slight Chance Rain
- 48
- 55
Rain
- 47
- 54
Rain
Today 5 Nov San Juan County
Breezy. Rain at Times. Rainfall Amounts less than a tenth of an inch likely. Highs in the mid 50s to lower 60s. Southeast wind 15 to 25 Mph with Gusts to 35 Mph.
Tonight 5 Nov San Juan County
Breezy. Rain at Times in the Evening, then rain likely in the late evening and early morning. Rain at Times in the morning. Rainfall Amounts a tenth to a quarter of an inch possible. Lows in the mid to upper 40s. Southeast wind 15 to 25 Mph with Gusts to 35 Mph becoming south 10 to 15 Mph with Gusts to 25 Mph after midnight.
Decatur Island - Davis Bay Temperature Statistics
November Temperature
Friday Harbor Airport (9.9 miles)
Lowest 3 November, 2025
39 °FAverage November
47.9 °FHighest 1 November, 2025
55 °F
Climate (2020–Present)
Friday Harbor Airport (9.9 miles)
Average Low 2020–2025
44.3 °FAverage 2020–2025
51.8 °FAverage High 2020–2025
59.6 °F