World Resorts USA Seattle Weather

Seattle weather in August

Weather in Seattle: August

Average day temperature: 77.9°F
Average night temperature: 60.7°F
Number of sunny days: 19 days
Day length: 13.4 - 14.9 hours
Number of rainy days: 1 day
Precipitation totals: 0.4 in.

Air temperature in August, °F

Show year:
2024
2023
2022

The highest day temperature during August of 2024 was 86°F. At the same time the lowest night temperature was 48°F. Day and night temperature averages during August were 73.4°F and 56.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Seattle in August is 0.5 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 4.7 mph The wind's strength is relatively same during the whole 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 August is: 9.7.

Best time for vacation in Seattle

Sunniest months:
July 19 days
August 19 days
September 14 days
Warmest months:
August 77.9 °F
July 77.1 °F
September 70.1 °F
Coldest months:
December 43.5 °F
January 44.6 °F
February 45.6 °F
Rainiest months:
January 7 days
December 6 days
April 5 days
Windiest months:
March 6.2 mph
April 5.9 mph
February 5.8 mph

Seattle on a weather map

Seattle
+45°F
NW 3 mph
Feels like: +41°F
Precip.: 0%
Places in USA:
Name
°F
+41°F
+45°F
+72°F
+72°F
+55°F
+57°F
+66°F
+68°F
+45°F
+59°F
+52°F
+57°F
+55°F
+63°F
+37°F
24 Hours Forecast
Seattle
Local time: 01:14
November 24, sunday
0300
43°F
NW
1 mph
0600
41°F
NW
2 mph
0900
41°F
W
2 mph
1200
43°F
N
3 mph
1500
45°F
SW
2 mph
1800
45°F
N
1 mph
2100
43°F
NW
1 mph
November 25, monday
0000
43°F
W
1 mph
Units of measurement: °C / °F