This page presents a long range weather forecast for Washington in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The Washington extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
15° / 3°
Thursday
May 2
15° / 6°
Friday
May 3
21° / 3°
Saturday
May 4
22° / 8°
Sunday
May 5
10° / 8°
Monday
May 6
8° / 7°
Tuesday
May 7
8° / 6°
Wednesday
May 8
13° / 6°
Thursday
May 9
14° / 4°
Friday
May 10
21° / 4°
Saturday
May 11
16° / 8°
Sunday
May 12
20° / 9°
Monday
May 13
20° / 9°
Tuesday
May 14
20° / 11°
Wednesday
May 15
23° / 11°
Thursday
May 16
20° / 11°
Friday
May 17
22° / 10°
Saturday
May 18
21° / 10°
Sunday
May 19
20° / 9°
Monday
May 20
18° / 8°
Tuesday
May 21
19° / 7°
Wednesday
May 22
19° / 7°
Thursday
May 23
18° / 9°
Friday
May 24
18° / 8°
Saturday
May 25
19° / 9°
Sunday
May 26
24° / 11°
Monday
May 27
20° / 11°
Tuesday
May 28
21° / 10°
Wednesday
May 29
23° / 11°
Thursday
May 30
21° / 9°
Friday
May 31
23° / 9°
Washington 30 days weather forecast
Check out our estimated 30 days weather forecast for Washington, this data is based on the average weather in Washington in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Washington next to the desired date.