Weather in Mercer Island

Live radar map and accurate forecast for Mercer Island, United States.

Current conditions

Temperature—

Precipitation—

Wind—

Humidity—

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Day	Conditions	High / low	Rain chance	Wind
Today Fri, Oct 9	Rain	14°C / 10°C	67%	24 km/h
Tomorrow Sat, Oct 10	Partly cloudy	14°C / 8°C	7%	14 km/h
Sun, Oct 11	Clear	17°C / 6°C	3%	15 km/h
Mon, Oct 12	Clear	18°C / 6°C	0%	4 km/h
Tue, Oct 13	Partly cloudy	19°C / 9°C	6%	6 km/h
Wed, Oct 14	Drizzle	15°C / 12°C	27%	19 km/h
Thu, Oct 15	Partly cloudy	19°C / 12°C	4%	13 km/h
Fri, Oct 16	Partly cloudy	23°C / 9°C	17%	10 km/h
Sat, Oct 17	Partly cloudy	17°C / 12°C	18%	7 km/h
Sun, Oct 18	Drizzle	13°C / 11°C	20%	12 km/h
Mon, Oct 19	Drizzle	13°C / 10°C	27%	13 km/h
Tue, Oct 20	Partly cloudy	16°C / 9°C	23%	12 km/h
Wed, Oct 21	Drizzle	11°C / 9°C	23%	23 km/h
Thu, Oct 22	Drizzle	12°C / 8°C	30%	17 km/h

Weather data: Open-Meteo · 2026-10-09 22:15 · America/Los_Angeles

Live radar map and accurate forecast for Mercer Island, United States. Current conditions: temperature, precipitation, wind, humidity.