Weather in Seattle in Summer
| June | July | August | ||||
| Average day temperature: | 69.3°F | 77.1°F | 77.9°F | |||
| Average night temperature: | 54.4°F | 59.1°F | 60.7°F | |||
| Number of sunny days: | 11 days | 19 days | 19 days | |||
| Day length: | 15.7 - 16.0 h. | 13.9 - 15.9 h. | 13.4 - 14.9 h. | |||
| Number of rainy days: | 2 days | 1 day | 1 day | |||
| Precipitation totals: | 1.0 in. | 0.4 in. | 0.4 in. | |||
Day & Night air temperature, °F
June
July
August
0
13
26
39
52
65
78
91
104
77.3
76.9
69.1
60.9
59.3
54.7
| Day temperature | Night temperature |
Precipitation total, in.
June
July
August
0.0
0.2
0.4
0.5
0.7
0.9
1.1
1.2
0.4
0.3
1
Sunny, partly cloudy and cloudy days
June
July
August
0
5
10
15
20
25
30
35
7
7
13
6
7
7
18
17
10
| Cloudy days | Partly cloudy days | Sunny days |
Wind speed, mph
June
July
August
0.0
0.9
1.7
2.6
3.5
4.3
5.2
6.1
4.6
4.6
5.1
Average sunny hours
June
July
August
0
1
2
3
4
5
6
7
8
9
10
11
12
13
9.7
11.5
8.9
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Seattle
Seattle on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Seattle
Local time: 03:07
April 04, friday
0600
39°F
SW
1 mph
1 mph
0900
46°F
W
1 mph
1 mph
1200
61°F
SE
2 mph
2 mph
1500
66°F
SE
2 mph
2 mph
1800
63°F
S
4 mph
4 mph
2100
57°F
SW
3 mph
3 mph
April 05, saturday
0000
52°F
W
2 mph
2 mph
0300
48°F
SW
2 mph
2 mph
