Seattle, Washington weather in June

Averages from 2021–2025 (150 days of record).

Average high: 70°F
Average low: 54°F
Rainy days: ~7 per month
Total precipitation: 1.9 in
Warmest recorded: 100°F
Coldest recorded: 47°F

Expect June days in Seattle, Washington to top out around 70°F and cool to about 54°F overnight, with roughly 7 days of measurable rain across the month. In recent years June has ranged from 47°F to 100°F.

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Current Seattle, Washington forecast → · Historical data by Open-Meteo (ERA5).