10-Day Weather Forecast - Mercer Island, WA

Rain at times in the morning then rain likely in the late morning and early afternoon. A chance of rain late in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs near 50. South wind around 10 mph in the morning becoming light.

Mostly cloudy with a chance of rain. Patchy fog after midnight. Lows in the mid 30s to lower 40s. Light wind.

Patchy fog in the morning. Mostly cloudy with a chance of rain in the morning then mostly cloudy with rain likely in the afternoon. Rainfall amounts a tenth to a quarter of an inch possible. Highs in the mid to upper 40s. Light wind.

Mostly cloudy with rain likely in the evening then mostly cloudy with a chance of rain after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows in the mid to upper 30s. Light wind.

Mostly cloudy with a chance of rain in the morning then mostly cloudy with rain likely in the afternoon. Highs near 50.

Mostly cloudy with rain likely in the evening then mostly cloudy with a chance of rain after midnight. Lows near 40.

Rain likely. Highs near 50.

Rain likely. Lows near 40.

Rain likely. Highs in the upper 40s.

Mostly cloudy. A chance of rain and snow in the evening then a slight chance of rain and snow after midnight. Snow level near 1500 feet. Lows in the lower to mid 30s.

Partly sunny with a slight chance of rain and snow. Snow level near 1000 feet. Highs in the mid to upper 40s.

Partly cloudy with a slight chance of rain and snow. Snow level near 1000 feet. Lows in the lower 30s.

Mostly sunny with a slight chance of rain and snow. Snow level near 500 feet increasing to 1000 feet in the afternoon. Highs near 50.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 33F. Dew point will be around 31F with an average humidity of 86%. Winds will be 1 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 45F. Dew point will be around 34F with an average humidity of 74%. Winds will be 1 mph from the NW.

Cloudy. Low temperature around 33F. Dew point will be around 32F with an average humidity of 86%. Winds will be 1 mph from the SE.

Cloudy. High temperature around 48F. Dew point will be around 36F with an average humidity of 74%. Winds will be 1 mph from the N.

Cloudy. Low temperature around 37F. Dew point will be around 35F with an average humidity of 84%. Winds will be 2 mph from the SE.