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Climate & Weather Averages in Port Townsend, Washington, USA

Currently: 62 °F. Cool. (Weather station: MADIS Weather Station F4667 (APRSWXNET), USA). See more current weather

Annual Weather Averages Near Port Townsend

Averages are for Whidbey Island, which is 17 miles from Port Townsend.

Based on weather reports collected during 1985–2015.

All Year Climate & Weather Averages in Port Townsend

High Temp: 69 °F

Low Temp: 36 °F

Mean Temp: 50 °F

Precipitation: 0.90"

Humidity: 80%

Dew Point: 44 °F

Wind: 8 mph

Pressure: 30.04 "Hg

Visibility: 7 mi

January Climate & Weather Averages in Port Townsend

High Temp: 47 °F

Low Temp: 37 °F

Mean Temp: 42 °F

Precipitation: 1.39"

Humidity: 81%

Dew Point: 37 °F

Wind: 10 mph

Pressure: 30.05 "Hg

Visibility: 7 mi

February Climate & Weather Averages in Port Townsend

High Temp: 49 °F

Low Temp: 36 °F

Mean Temp: 42 °F

Precipitation: 0.86"

Humidity: 79%

Dew Point: 36 °F

Wind: 8 mph

Pressure: 30.04 "Hg

Visibility: 7 mi

March Climate & Weather Averages in Port Townsend

High Temp: 52 °F

Low Temp: 39 °F

Mean Temp: 45 °F

Precipitation: 1.06"

Humidity: 78%

Dew Point: 38 °F

Wind: 9 mph

Pressure: 30.02 "Hg

Visibility: 7 mi

April Climate & Weather Averages in Port Townsend

High Temp: 56 °F

Low Temp: 42 °F

Mean Temp: 49 °F

Precipitation: 1.02"

Humidity: 77%

Dew Point: 41 °F

Wind: 8 mph

Pressure: 30.04 "Hg

Visibility: 8 mi

May Climate & Weather Averages in Port Townsend

High Temp: 60 °F

Low Temp: 46 °F

Mean Temp: 53 °F

Precipitation: 0.86"

Humidity: 80%

Dew Point: 46 °F

Wind: 7 mph

Pressure: 30.04 "Hg

Visibility: 7 mi

June Climate & Weather Averages in Port Townsend

High Temp: 64 °F

Low Temp: 50 °F

Mean Temp: 57 °F

Precipitation: 0.54"

Humidity: 79%

Dew Point: 49 °F

Wind: 7 mph

Pressure: 30.04 "Hg

Visibility: 8 mi

July Climate & Weather Averages in Port Townsend

High Temp: 68 °F

Low Temp: 52 °F

Mean Temp: 60 °F

Precipitation: 0.17"

Humidity: 80%

Dew Point: 52 °F

Wind: 6 mph

Pressure: 30.06 "Hg

Visibility: 7 mi

August Climate & Weather Averages in Port Townsend

High Temp: 69 °F

Low Temp: 52 °F

Mean Temp: 60 °F

Precipitation: 0.20"

Humidity: 81%

Dew Point: 53 °F

Wind: 6 mph

Pressure: 30.04 "Hg

Visibility: 7 mi

September Climate & Weather Averages in Port Townsend

High Temp: 65 °F

Low Temp: 49 °F

Mean Temp: 57 °F

Precipitation: 0.37"

Humidity: 84%

Dew Point: 51 °F

Wind: 5 mph

Pressure: 30.04 "Hg

Visibility: 7 mi

October Climate & Weather Averages in Port Townsend

High Temp: 58 °F

Low Temp: 44 °F

Mean Temp: 51 °F

Precipitation: 0.93"

Humidity: 84%

Dew Point: 46 °F

Wind: 7 mph

Pressure: 30.06 "Hg

Visibility: 7 mi

November Climate & Weather Averages in Port Townsend

High Temp: 51 °F

Low Temp: 40 °F

Mean Temp: 45 °F

Precipitation: 1.85"

Humidity: 82%

Dew Point: 40 °F

Wind: 10 mph

Pressure: 30.03 "Hg

Visibility: 7 mi

December Climate & Weather Averages in Port Townsend

High Temp: 46 °F

Low Temp: 36 °F

Mean Temp: 41 °F

Precipitation: 1.48"

Humidity: 81%

Dew Point: 36 °F

Wind: 10 mph

Pressure: 30.05 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthAugust (60 °F avg)
Coldest MonthDecember (41 °F avg)
Wettest MonthNovember (1.85" avg)
Windiest MonthDecember (10 mph avg)
Annual precip.10.74" (per year)

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