Weather in Seattle: July
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Average day temperature: | 76.7°F |
| Average night temperature: | 59.1°F | |
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Number of sunny days: | 18 days |
| Day length: | 14.0 - 15.9 hours | |
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Number of rainy days: | 0 days |
| Precipitation totals: | 0.3 in. | |
| more information | ||
14 days
forecast
forecast
| Seattle |
weather in
August
August
| Seattle |
Air temperature in July, °F
Show year:
2026
2025
2024
The highest day temperature during July of 2026 was 90°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during July were 71.9°F and 56.7°F.
Sunny, partly cloudy and cloudy days
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in Seattle in July is 0.2 in. Other months of the year show relatively similar values.
Wind speed in July, mph
The average wind speed value in July is 4.5 mph It makes July lest windy month of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 11.4.
Best time for vacation in Seattle
Seattle on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Seattle
Local time: 00:08
July 28, tuesday
0300
59°F
N
6 mph
6 mph
0600
59°F
N
7 mph
7 mph
0900
63°F
N
8 mph
8 mph
1200
70°F
NE
9 mph
9 mph
1500
77°F
NE
9 mph
9 mph
1800
73°F
E
5 mph
5 mph
2100
63°F
S
4 mph
4 mph
July 29, wednesday
0000
57°F
W
3 mph
3 mph
