10-Day Weather Forecast - Mercer Island, WA
As of
- |53°FMostly CloudyHourly details
Tonight
53°FMostly cloudy. Low temperature around 53F. Dew point will be around 52F with an average humidity of 69%. Winds will be 1 mph from the N.
Weekend Weather
- 69|53°FChance of StormsHourly details
Day
69°FPartly sunny. A slight chance of thunderstorms late in the afternoon. Highs near 70. Light wind.
Night
53°FMostly cloudy with a slight chance of rain in the evening, then partly cloudy after midnight. Lows in the lower to mid 50s. Light wind.
- 71|56°FMostly SunnyHourly details
Day
71°FMostly sunny. Highs in the lower 70s. Light wind.
Night
56°FPartly cloudy. Lows in the 50s. Light wind.
- 68|55°FPartly SunnyHourly details
Day
68°FPartly sunny. Highs near 70. South wind to 10 mph in the morning becoming light.
Night
55°FPartly cloudy. Lows in the mid 50s.
- 71|55°FMostly SunnyHourly details
Day
71°FMostly sunny. Highs in the lower to mid 70s.
Night
55°FMostly clear. Lows in the lower to mid 50s.
- 76|56°FSunnyHourly details
Day
76°FSunny. Highs in the upper 70s.
Night
56°FMostly clear. Lows in the mid to upper 50s.
- 78|59°FChance of RainHourly details
Day
78°FMostly sunny. A slight chance of rain in the afternoon. Highs in the mid to upper 70s.
Night
59°FPartly cloudy in the evening, then mostly cloudy with a slight chance of rain after midnight. Lows in the mid to upper 50s.
- 71|55°FChance of Rain
Day
71°FMostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the lower 70s.
Night
55°FMostly cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 55F. Dew point will be around 52F with an average humidity of 81%. Winds will be 1 mph from the SW.
Weekend Weather
- 65|53°F40% Chance of Rain
Day
65°FCloudy with a chance of rain. Chance of precipitation 40%. High temperature around 65F. Dew point will be around 55F with an average humidity of 83%. Winds will be 1 mph from the SW.
Night
53°FClear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 53F. Dew point will be around 53F with an average humidity of 86%. Winds will be 1 mph from the S.
- 66|54°F30% Chance of Rain
Day
66°FMostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 66F. Dew point will be around 54F with an average humidity of 78%. Winds will be 1 mph from the SW.
Night
54°FMostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 54F. Dew point will be around 53F with an average humidity of 83%. Winds will be 1 mph from the S.
- 66|53°F30% Chance of Rain
Day
66°FMostly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 66F. Dew point will be around 54F with an average humidity of 78%. Winds will be 2 mph from the SW.
Night
53°FCloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 53F. Dew point will be around 53F with an average humidity of 84%. Winds will be 1 mph from the S.












