SeaTac Visitors Guide
For foreign visitors
SeaTac weather essentials
Month
High
Low
Precip
Jun
63°F 17°C
46°F 7°C
1 in 4 cm
Jul
70°F 21°C
50°F 10°C
1 in 2 cm
Aug
70°F 21°C
50°F 10°C
1 in 2 cm
Sep
64°F 17°C
47°F 8°C
1 in 4 cm
Oct
54°F 12°C
41°F 5°C
4 in 9 cm
Nov
46°F 7°C
37°F 2°C
5 in 13 cm
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