Port Townsend weather live forecast

Today's maximum temperature in Port Townsend is expected to be 20°C. Select a day from the live weather forecast for Port Townsend, Washington State, USA for more weather parameters.

Tuesday
18th Aug
20

13

8

5
Wednesday
19th Aug
20

12

6

5
Thursday
20th Aug
21

12

14

6
Friday
21st Aug
21

13

3

6
Saturday
22nd Aug
19

13

1

5

5-day weather forecast updated at 04:03 on Tuesday 18th August 2026 GMT

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The 5-day weather forecast for Washington State (Port Townsend) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Port Townsend weather forecast by day

Below are the detailed weather forecasts for Port Townsend for the next 5 days.

Port Townsend weather for Tuesday 18th August 2026

Expect broken clouds in Port Townsend, Washington State with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

20
°C maximum temperature
13
°C minimum temperature
broken clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from NW

Port Townsend weather for Wednesday 19th August 2026

Expect broken clouds in Port Townsend, Washington State with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

20
°C maximum temperature
12
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from NW

Port Townsend weather for Thursday 20th August 2026

Expect clear skies in Port Townsend, Washington State with a maximum temperature of 21°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

21
°C maximum temperature
12
°C minimum temperature
clear skies
14
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from NW

Port Townsend weather for Friday 21st August 2026

Expect broken clouds in Port Townsend, Washington State with a maximum temperature of 21°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the west.

21
°C maximum temperature
13
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
6
kph wind from W

Port Townsend weather for Saturday 22nd August 2026

Expect overcast skies in Port Townsend, Washington State with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south.