Mercer Island, WA Weather

As of

Weather Station:WeatherBug

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43degrees Fahrenheit

Feels like:41°F

Hi: --Lo: 40

Partly Cloudy

Live Weather Radar

Mercer Island, WA weather radar map

Current Weather Details

Windchill
41°
Daily Rain
--"
Dew point
39°
Monthly Rain
3.17"
Humidity
92%
Avg. Wind
S 2 mph
Pressure
--"
Wind Gust
-- mph
Sunrise
6:45 AM
Moon
Full
Sunset
7:40 PM
UV Index
2 (Low)

Weather Forecast

  • Tonight

    Lo

    Mostly cloudy with likely rain. Chance of precipitation 100%. Low temperature around 41F. Dew point will be around 41F with an average humidity of 86%. Winds will be 3 mph from the S.

  • Tomorrow

    Hi

    Cloudy with showers likely in the morning then mostly cloudy with a chance of showers in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the lower to mid 50s. Light wind becoming southwest around 10 mph in the afternoon.

Mercer Island, WA 10-day weather forecast

AIR QUALITY

23 | Fair

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

POLLEN COUNT & ALLERGY FORECAST

4.2 Low-Medium

Predominant Pollen:Ash, Birch and Cedar/Juniper.
View the Pollen forecast details

LIGHTNING MAP

Closest strike in the last 30 minutes:581.7 miles

No Lightning Nearby

Real-time lightning alerts & live Map