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Mercer Island
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10 Day Forecast
  • Wednesday
    Chance of Rain
    54°
    Night
    Chance of Rain
    48°
    Wednesday 2/10
    Day
    54°
    Chance of Rain
    Night
    48°
    Chance of Rain
    Hourly
    Day Details
    Mostly cloudy. A chance of rain in the afternoon. Highs in the lower to mid 50s. Southeast wind to 10 mph.
    Night Details
    Cloudy with a chance of rain. Lows in the mid to upper 40s. Southeast wind to 10 mph becoming south after midnight.
  • Thursday
    Chance of Rain
    57°
    Night
    Rain
    48°
    Thursday 2/11
    Day
    57°
    Chance of Rain
    Night
    48°
    Rain
    Hourly
    Day Details
    Cloudy with a chance of rain in the morning...Then rain at times in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the mid to upper 50s. East wind to 10 mph becoming south in the afternoon.
    Night Details
    Rain. Rainfall amounts a quarter to a half inch possible. Lows in the mid 40s to lower 50s. Southeast wind to 10 mph becoming south after midnight.
  • Friday
    Rain
    55°
    Night
    Chance of Rain Showers
    44°
    Friday 2/12
    Day
    55°
    Rain
    Night
    44°
    Chance of Rain Showers
    Hourly
    Day Details
    Rain in the morning...Then showers likely in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs in the mid 50s. Southeast wind around 10 mph becoming south in the afternoon.
    Night Details
    Breezy. Cloudy with a chance of showers. Lows in the lower to mid 40s.
  • Saturday
    Chance of Rain Showers
    52°
    Night
    Rain
    44°
    Saturday 2/13
    Day
    52°
    Chance of Rain Showers
    Night
    44°
    Rain
    Hourly
    Day Details
    Breezy. Mostly cloudy with a chance of showers. Highs in the lower 50s.
    Night Details
    Rain likely. Lows in the 40s. Highs in the lower to mid 50s.
  • Sunday
    Rain
    54°
    Night
    Rain
    46°
    Sunday 2/14
    Day
    54°
    Rain
    Night
    46°
    Rain
    Hourly
    Day Details
    Rain likely. Lows in the 40s. Highs in the lower to mid 50s.
    Night Details
    Rain likely. Lows in the 40s. Highs in the lower to mid 50s.
  • Monday
    Chance of Rain
    55°
    Night
    Chance of Rain Showers
    45°
    Monday 2/15
    Day
    55°
    Chance of Rain
    Night
    45°
    Chance of Rain Showers
    Hourly
    Day Details
    Mostly cloudy with a chance of rain. Highs in the mid 50s.
    Night Details
    Mostly cloudy. A chance of showers. Lows in the mid 40s. Highs in the lower 50s.
  • Tuesday
    Chance of Rain Showers
    53°
    Night
    Cloudy
    45°
    Tuesday 2/16
    Day
    53°
    Chance of Rain Showers
    Night
    45°
    Cloudy
    Day Details
    Mostly cloudy. A chance of showers. Lows in the mid 40s. Highs in the lower 50s.
    Night Details
    Cloudy. Low temperature around 45F. Dew point will be around 45F with an average humidity of 86%. Winds will be 4 mph from the SSE.
  • Wednesday
    50% Chance of Rain
    50°
    Night
    30% Chance of Rain
    44°
    Wednesday 2/17
    Day
    50°
    50% Chance of Rain
    Night
    44°
    30% Chance of Rain
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 50F. Dew point will be around 46F with an average humidity of 91%. Winds will be 7 mph from the S.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 43F with an average humidity of 93%. Winds will be 11 mph from the S.
  • Thursday
    50% Chance of Rain
    50°
    Night
    Cloudy
    44°
    Thursday 2/18
    Day
    50°
    50% Chance of Rain
    Night
    44°
    Cloudy
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 50F. Dew point will be around 45F with an average humidity of 89%. Winds will be 11 mph from the S.
    Night Details
    Cloudy. Low temperature around 44F. Dew point will be around 43F with an average humidity of 88%. Winds will be 13 mph from the S.
  • Friday
    30% Chance of Rain
    50°
    Night
    Mostly Cloudy
    43°
    Friday 2/19
    Day
    50°
    30% Chance of Rain
    Night
    43°
    Mostly Cloudy
    Day Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 50F. Dew point will be around 45F with an average humidity of 88%. Winds will be 9 mph from the S.
    Night Details
    Mostly cloudy. Low temperature around 43F. Dew point will be around 43F with an average humidity of 92%. Winds will be 7 mph from the SSW.