Port Townsend weather in August 2025

Expect 72°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Port Townsend in August. Check more long-term weather averages for Port Townsend in August before you book your next holiday to Washington State in 2025/2026.

  • 72°F maximum daytime temperature in August in Port Townsend72
    72°F max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in August in Port Townsend6
    6 days with some rainfall
  • 52°F minimum night-time temperature in August in Port Townsend52
    52°F min night temperature
  • 14 hours of daylight per day in August in Port Townsend14
    14 hours of daylight per day
  • No heat & humidity in August in Port Townsend0
    No heat & humidity
  • 0.9 inches monthly rainfall in August in Port Townsend0.9
    0.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Port Townsend6
    6 (High) UV index
  • 54°F sea temperature in August in Port Townsend54
    54°F sea temperature

More about Port Townsend

Port Townsend by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Washington State

Marriott discount code: Kids stay & eat for free

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12
Show discount codeShow discount code ******ZJ6
Redeem Marriott discount code >>

View all Marriott offers

The August weather guide for Washington State (Port Townsend) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about the USA

How hot is it in Port Townsend in August?

Daytime temperatures usually reach 72°F in Port Townsend in August, falling to 52°F at night.

How sunny is it in Port Townsend in August?

There are normally 9 hours of bright sunshine each day in Port Townsend in August - that's 63% of daylight hours.

How warm is the sea around Port Townsend in August?

The average sea temperature around Port Townsend in August is 54°F.

Does it rain in Port Townsend in August?

There are usually 6 days with some rain in Port Townsend in August and the average monthly rainfall is 0.9 inches.

Port Townsend August sunrise & sunset times

Browse the sunrise and sunset times for Port Townsend in August 2025. Select a month to view Port Townsend sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:48 19:46
Saturday, 16th August 2025 05:08 19:22
Sunday, 31st August 2025 05:28 18:53

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^