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Mercer Island
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10 Day Forecast
  • Night
    Mostly Cloudy
    40°
    Saturday 2/6
    40°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy. Lows near 40. Light wind.
  • Sunday
    Mostly Cloudy
    53°
    Night
    Partly Cloudy
    42°
    Sunday 2/7
    Day
    53°
    Mostly Cloudy
    Night
    42°
    Partly Cloudy
    Hourly
    Day Details
    Mostly cloudy. Highs in the lower to mid 50s. Light wind.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the lower to mid 40s. Light wind.
  • Monday
    Mostly Sunny
    58°
    Night
    Mostly Clear
    43°
    Monday 2/8
    Day
    58°
    Mostly Sunny
    Night
    43°
    Mostly Clear
    Hourly
    Day Details
    Mostly sunny. Patchy fog in the morning. Highs in the mid to upper 50s. Light wind becoming north to 10 mph in the afternoon.
    Night Details
    Mostly clear. Patchy fog after midnight. Lows in the lower to mid 40s. Northeast wind to 10 mph becoming east after midnight.
  • Tuesday
    Sunny
    59°
    Night
    Partly Cloudy
    44°
    Tuesday 2/9
    Day
    59°
    Sunny
    Night
    44°
    Partly Cloudy
    Hourly
    Day Details
    Sunny. Patchy fog in the morning. Highs in the upper 50s.
    Night Details
    Partly cloudy. Patchy fog after midnight. Lows in the mid 40s.
  • Wednesday
    Partly Sunny
    56°
    Night
    Chance of Rain
    46°
    Wednesday 2/10
    Day
    56°
    Partly Sunny
    Night
    46°
    Chance of Rain
    Hourly
    Day Details
    Partly sunny. Patchy fog in the morning. Highs in the mid 50s.
    Night Details
    Mostly cloudy with a chance of rain. Lows in the mid 40s.
  • Thursday
    Chance of Rain
    55°
    Night
    Chance of Rain
    45°
    Thursday 2/11
    Day
    55°
    Chance of Rain
    Night
    45°
    Chance of Rain
    Hourly
    Day Details
    Mostly cloudy with a chance of rain. Highs in the lower to mid 50s.
    Night Details
    Cloudy with a chance of rain. Lows in the mid 40s.
  • Friday
    Rain
    53°
    Night
    Rain
    43°
    Friday 2/12
    Day
    53°
    Rain
    Night
    43°
    Rain
    Hourly
    Day Details
    Rain likely. Highs in the lower 50s.
    Night Details
    Rain likely. Lows in the lower to mid 40s.
  • Saturday
    Chance of Rain Showers
    50°
    Night
    Mostly Cloudy
    46°
    Saturday 2/13
    Day
    50°
    Chance of Rain Showers
    Night
    46°
    Mostly Cloudy
    Day Details
    Mostly cloudy with a chance of showers. Highs near 50.
    Night Details
    Mostly cloudy. Low temperature around 46F. Dew point will be around 45F with an average humidity of 90%. Winds will be 11 mph from the SSW.
  • Sunday
    40% Chance of Rain
    52°
    Night
    40% Chance of Rain
    48°
    Sunday 2/14
    Day
    52°
    40% Chance of Rain
    Night
    48°
    40% Chance of Rain
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 52F. Dew point will be around 46F with an average humidity of 90%. Winds will be 9 mph from the S.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 48F. Dew point will be around 46F with an average humidity of 93%. Winds will be 13 mph from the S.
  • Monday
    40% Chance of Rain
    54°
    Night
    40% Chance of Rain
    47°
    Monday 2/15
    Day
    54°
    40% Chance of Rain
    Night
    47°
    40% Chance of Rain
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 54F. Dew point will be around 48F with an average humidity of 87%. Winds will be 16 mph from the SSW.
    Night Details
    Mostly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 47F. Dew point will be around 46F with an average humidity of 87%. Winds will be 11 mph from the S.
  • Tuesday
    Cloudy
    53°
    Night
    Mostly Cloudy
    46°
    Tuesday 2/16
    Day
    53°
    Cloudy
    Night
    46°
    Mostly Cloudy
    Day Details
    Cloudy. High temperature around 53F. Dew point will be around 45F with an average humidity of 83%. Winds will be 7 mph from the SSW.
    Night Details
    Mostly cloudy. Low temperature around 46F. Dew point will be around 45F with an average humidity of 86%. Winds will be 7 mph from the S.