Mercer Island, WA Weather

As of

Weather Station:WeatherBug

Open weather station selector modal

39degrees Fahrenheit

Feels like:39°F

Hi: 53Lo: 37

Partly Cloudy

Live Weather Radar

Mercer Island, WA weather radar map

Current Weather Details

Windchill
39°
Daily Rain
--"
Dew point
34°
Monthly Rain
2.5"
Humidity
81%
Avg. Wind
SSE 1 mph
Pressure
--"
Wind Gust
-- mph
Sunrise
7:08 AM
Moon
Waxing Crescent
Sunset
7:24 PM
UV Index
4 (Moderate)

Weather Forecast

  • Today

    Hi

    Partly sunny. Highs in the lower to mid 50s. Light wind.

  • Tonight

    Lo

    Mostly cloudy. Lows in the mid to upper 30s. Light wind.

Mercer Island, WA 10-day weather forecast

AIR QUALITY

21 | Fair

Top Triggers:pm25
Air quality data provided by Ambee
View Today's Air Quality details for Mercer Island, WA

POLLEN COUNT & ALLERGY FORECAST

9.7 High

Predominant Pollen:Cedar/Juniper, Birch and Poplar/Aspen/Cottonwood
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:2058.3 miles

No Lightning Nearby

Real-time lightning alerts & live Map