10-Day Weather Forecast - Mercer Island, WA

Cloudy with a chance of rain in the morning then cloudy with rain at times in the afternoon. Rainfall amounts less than a tenth of an inch likely. Highs in the lower to mid 50s. Light wind becoming south around 10 mph with gusts to 20 mph in the afternoon.

Rain. Rainfall amounts a quarter to a half inch possible. Lows in the mid to upper 40s. South wind around 10 mph. Gusts to 20 mph in the evening.

Rain at times. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the lower to mid 50s. South wind around 10 mph.

Mostly cloudy with rain at times in the evening then mostly cloudy with a chance of rain after midnight. Lows in the lower 40s.

Rain likely in the morning then rain at times in the afternoon. Highs near 50.

Mostly cloudy with rain likely in the evening then cloudy with a chance of rain after midnight. Lows in the lower to mid 40s.

Rain likely. Highs in the lower 50s.

Rain likely. Lows in the mid to upper 40s.

Rain likely. Highs in the lower to mid 50s.

Mostly cloudy with rain likely in the evening then cloudy with a chance of rain after midnight. Lows in the lower to mid 40s.

Rain likely. Highs in the lower 50s.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 40F. Dew point will be around 41F with an average humidity of 88%. Winds will be 4 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 60%. High temperature around 49F. Dew point will be around 39F with an average humidity of 79%. Winds will be 3 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 36F. Dew point will be around 36F with an average humidity of 87%. Winds will be 2 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 48F. Dew point will be around 38F with an average humidity of 77%. Winds will be 1 mph from the W.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 36F. Dew point will be around 35F with an average humidity of 87%. Winds will be 1 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 50F. Dew point will be around 40F with an average humidity of 80%. Winds will be 0 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 40F. Dew point will be around 40F with an average humidity of 91%. Winds will be 1 mph from the S.