Port Townsend Weather Forecast
- 55
- 69
Chance Rain
- 54
- 70
Rain Likely
- 54
- 68
Rain Likely
- 54
- 69
Chance Rain
- 54
- 70
Slight Chance Rain
- 54
- 71
Chance Rain
Today 7 Sep Port Townsend Area
Mostly cloudy with a chance of Showers. Highs in the mid 60s to lower 70s. Light wind becoming north to 10 Mph in the afternoon.
Tonight 7 Sep Port Townsend Area
Mostly cloudy. A chance of Showers in the Evening, then a slight chance of Showers late in the evening. A chance of Showers after midnight. Lows in the upper 40s to mid 50s. Northwest wind to 10 Mph in the evening becoming light.
Port Townsend Temperature Statistics
September Temperature
Whidbey Island Naval Air Station - Ault Field (16.8 miles)
Lowest 3 September, 2025
52 °FAverage September
56.7 °FHighest 1 September, 2025
62.1 °F
Climate (2020–Present)
Whidbey Island Naval Air Station - Ault Field (16.8 miles)
Average Low 2020–2025
44.6 °FAverage 2020–2025
50.2 °FAverage High 2020–2025
56.2 °F