National Weather
Advertisement

Mercer Island, WA 98040   Weather, Extended Forecast and Hour-by-Hour Forecast

Weather Conditions

54°
L/RAIN

Updated: 8:02 PM

Find Local Forecasts

Or browse our list of 40,000 U.S. and int'l cities.

7-day Forecast for Mercer Island

  • Daytime
  • Nighttime
04/16
Wed
56°
Rain and drizzle
Feels Like: 50°
Winds: 10mph S
49° Feels like: 42°
Winds: 7mph SSE
04/17
Thu
56°
Rain
Feels Like: 55°
Winds: 7mph S
46° Feels like: 41°
Winds: 7mph SSE
04/18
Fri
56°
A blend of sun and clouds
Feels Like: 61°
Winds: 7mph S
43° Feels like: 40°
Winds: 5mph S
04/19
Sat
58°
Mostly cloudy with a shower in the afternoon
Feels Like: 59°
Winds: 8mph S
47° Feels like: 42°
Winds: 8mph S
04/20
Sun
59°
Overcast
Feels Like: 62°
Winds: 6mph SE
44° Feels like: 46°
Winds: 3mph N
04/21
Mon
61°
Considerable cloudiness with a passing shower
Feels Like: 63°
Winds: 5mph W
46° Feels like: 44°
Winds: 5mph WSW
04/22
Tue
59°
Mostly cloudy with a shower
Feels Like: 62°
Winds: 4mph S
45° Feels like: 45°
Winds: 3mph S

24 Hour Forecast for Mercer Island

  • 8pm
  • 9pm
  • 10pm
  • 11pm
  • 12am
  • 1am
  • Conditions
  • Temperature
  • 54°
  • 53°
  • 53°
  • 53°
  • 52°
  • 52°
  • Cloud Cover
  • 100%
  • 93%
  • 95%
  • 96%
  • 96%
  • 97%
  • Feels Like
  • 49°
  • 51°
  • 48°
  • 49°
  • 47°
  • 48°
  • Dew Point
  • 49°
  • 48°
  • 47°
  • 47°
  • 47°
  • 47°
  • Humidity
  • 82%
  • 81%
  • 81%
  • 81%
  • 81%
  • 82%
  • Wind Direction
  • SSE
  • SSE
  • SSE
  • SSE
  • SSE
  • SSE
  • Wind Speed
  • 6
  • 7
  • 8
  • 8
  • 8
  • 8
  • Precipitation
  • 0.0
  • 0.02
  • 0.0
  • 0.02
  • 0.0
  • 0.03