Seattle weather live forecast

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

Wednesday
2nd Sep
20

14

2

3
Thursday
3rd Sep
18

13

2

3
Friday
4th Sep
20

12

1

4
Saturday
5th Sep
20

13

6

4
Sunday
6th Sep
22

13

12

4

5-day weather forecast updated at 04:00 on Wednesday 2nd September 2026 GMT

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

Seattle weather forecast by day

Below are the detailed weather forecasts for Seattle for the next 5 days.

Seattle weather for Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Seattle, Washington State with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 90% chance of some rain and a light breeze of 9 kph from the south.

20
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
90
% chance of some rain
<5
mm of rainfall expected
20
°C wind chill
9
kph wind from S

Seattle weather for Thursday 3rd September 2026

Expect mostly cloudy with light rain in Seattle, Washington State with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 41% chance of some rain and little or no wind of 6 kph from the south.

18
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
41
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
6
kph wind from S

Seattle weather for Friday 4th September 2026

Expect broken clouds in Seattle, Washington State with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the north.

20
°C maximum temperature
12
°C minimum temperature
broken clouds
1
hour of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
3
kph wind from N

Seattle weather for Saturday 5th September 2026

Expect broken clouds in Seattle, Washington State with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north.

20
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
4
kph wind from N

Seattle weather for Sunday 6th September 2026

Expect sunshine and showers in Seattle, Washington State with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and little or no wind of 6 kph from the north.