Port Townsend weather live forecast

Today's maximum temperature in Port Townsend is expected to be 18°C. Select a day from the live weather forecast for Port Townsend, Washington State, USA for more weather parameters.

Sunday
2nd Aug
18

13

8

4
Monday
3rd Aug
21

11

14

6
Tuesday
4th Aug
24

14

15

5
Wednesday
5th Aug
26

16

15

5
Thursday
6th Aug
27

15

13

6

5-day weather forecast updated at 04:03 on Monday 3rd 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 Sunday 2nd August 2026

Expect sunshine and showers in Port Townsend, Washington State with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a light breeze of 12 kph from the north-west.

18
°C maximum temperature
13
°C minimum temperature
sunshine and showers
8
hours of sunshine
4
UV index (Moderate)
35
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from NW

Port Townsend weather for Monday 3rd 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 gentle breeze of 13 kph from the north-west.

21
°C maximum temperature
11
°C minimum temperature
clear skies
14
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
13
kph wind from NW

Port Townsend weather for Tuesday 4th August 2026

Expect clear skies in Port Townsend, Washington State with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

24
°C maximum temperature
14
°C minimum temperature
clear skies
15
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from NW

Port Townsend weather for Wednesday 5th August 2026

Expect clear skies in Port Townsend, Washington State with a maximum temperature of 26°C, maximum UV of 5 (Moderate) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

26
°C maximum temperature
16
°C minimum temperature
clear skies
15
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
11
kph wind from NW

Port Townsend weather for Thursday 6th August 2026

Expect clear skies in Port Townsend, Washington State with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-west.