Diablo Lake weather live forecast

Today's maximum temperature in Diablo Lake is expected to be 28°C. Select a day from the live weather forecast for Diablo Lake, Washington State, USA for more weather parameters.

Thursday
17th Sep
28

13

12

4
Friday
18th Sep
25

14

9

5
Saturday
19th Sep
26

13

8

4
Sunday
20th Sep
27

13

7

5
Monday
21st Sep
24

13

5

4

5-day weather forecast updated at 04:03 on Thursday 17th September 2026 GMT

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

Diablo Lake weather forecast by day

Below are the detailed weather forecasts for Diablo Lake for the next 5 days.

Diablo Lake weather for Thursday 17th September 2026

Expect clear skies in Diablo Lake, Washington State with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

28
°C maximum temperature
13
°C minimum temperature
clear skies
12
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from SW

Diablo Lake weather for Friday 18th September 2026

Expect broken clouds in Diablo Lake, Washington State with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

25
°C maximum temperature
14
°C minimum temperature
broken clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from W

Diablo Lake weather for Saturday 19th September 2026

Expect broken clouds in Diablo Lake, Washington State with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

26
°C maximum temperature
13
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
11
kph wind from SW

Diablo Lake weather for Sunday 20th September 2026

Expect scattered clouds in Diablo Lake, Washington State with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

27
°C maximum temperature
13
°C minimum temperature
scattered clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from W

Diablo Lake weather for Monday 21st September 2026

Expect broken clouds in Diablo Lake, Washington State with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.