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.

Wednesday
2nd Sep
18

12

2

2
Thursday
3rd Sep
18

11

4

3
Friday
4th Sep
18

11

0

3
Saturday
5th Sep
18

12

7

4
Sunday
6th Sep
20

11

13

5

5-day weather forecast updated at 04:03 on Wednesday 2nd September 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 Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Port Townsend, Washington State with a maximum temperature of 18°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 23 kph from the south-east.

18
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
67
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
23
kph wind from SE

Port Townsend weather for Thursday 3rd September 2026

Expect mostly cloudy with light rain in Port Townsend, Washington State with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 16 kph from the south-east.

18
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
49
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
16
kph wind from SE

Port Townsend weather for Friday 4th September 2026

Expect overcast with light rain in Port Townsend, Washington State with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a light breeze of 8 kph from the north-west.

18
°C maximum temperature
11
°C minimum temperature
overcast with light rain
0
hours of sunshine
3
UV index (Moderate)
62
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
8
kph wind from NW

Port Townsend weather for Saturday 5th September 2026

Expect sunshine and showers in Port Townsend, Washington State with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 27% chance of some rain and a light breeze of 7 kph from the north-west.

18
°C maximum temperature
12
°C minimum temperature
sunshine and showers
7
hours of sunshine
4
UV index (Moderate)
27
% chance of some rain
<10
mm of rainfall expected
18
°C wind chill
7
kph wind from NW

Port Townsend weather for Sunday 6th September 2026

Expect clear skies in Port Townsend, Washington State with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.