Washington State weather live forecast

Today's maximum temperature in Washington State is expected to be 11°C. Select a day from the live weather forecast for Washington State (Seattle), USA for more weather parameters.

Friday
15th May
11

9

2

4
Saturday
16th May
12

8

3

3
Sunday
17th May
15

8

7

5
Monday
18th May
19

9

10

5
Tuesday
19th May
20

10

8

5

5-day weather forecast updated at 04:00 on Friday 15th May 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.

Top Washington State destinations

Below are temperatures expected today at popular countries, regions and places in Washington State. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Washington State weather forecast by day

Below are the detailed weather forecasts for Washington State for the next 5 days. The forecasts shown are for Seattle and may not represent the whole of Washington State. Browse more destinations in Washington State to view more weather forecasts.

Washington State weather for Friday 15th May 2026

Expect mostly cloudy with light rain in Washington State with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and little or no wind of 6 kph from the south.

11
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
77
% chance of some rain
<5
mm of rainfall expected
11
°C wind chill
6
kph wind from S

Washington State weather for Saturday 16th May 2026

Expect isolated thunderstorms in Washington State with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 84% chance of some rain and little or no wind of 5 kph from the south.

12
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
3
UV index (Moderate)
84
% chance of some rain
<10
mm of rainfall expected
12
°C wind chill
5
kph wind from S

Washington State weather for Sunday 17th May 2026

Expect sunshine and showers in Washington State with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and little or no wind of 1 kph from the north.

15
°C maximum temperature
8
°C minimum temperature
sunshine and showers
7
hours of sunshine
5
UV index (Moderate)
7
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
1
kph wind from N

Washington State weather for Monday 18th May 2026

Expect scattered clouds in Washington State with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 kph from the north.

19
°C maximum temperature
9
°C minimum temperature
scattered clouds
10
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
2
kph wind from N

Washington State weather for Tuesday 19th May 2026

Expect sunshine and showers in Washington State with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and little or no wind of 2 kph from the north.