10-Day Weather Forecast - Mercer Island, WA
- 44|39°FCloudyHourly details
Today
44°FCloudy. High temperature around 44F. Dew point will be around 38F with an average humidity of 84%. Winds will be 1 mph from the SE.
Tonight
39°FCloudy. A chance of rain after midnight. Lows near 40. Light wind becoming north to 10 mph after midnight.
- 49|38°FRainHourly details
Day
49°FWindy. Rain at times. Rainfall amounts a tenth to a quarter of an inch possible. Highs near 50. North wind 10 to 20 mph with gusts to 45 mph increasing to southeast 20 to 35 mph with gusts to 55 mph in the afternoon.
Night
38°FBreezy. Partly cloudy. A slight chance of rain in the evening. Lows in the mid 30s to lower 40s. South wind 15 to 25 mph with gusts to 50 mph becoming east around 10 mph after midnight.
- 44|37°FChance of RainHourly details
Day
44°FMostly cloudy. A chance of rain in the afternoon. Highs in the mid to upper 40s. Light wind.
Night
37°FRain at times. Patchy fog after midnight. Rainfall amounts a tenth to a quarter of an inch possible. Lows near 40. Light wind.
- 45|36°FRainHourly details
Day
45°FRain likely. Highs in the mid 40s.
Night
36°FMostly cloudy. A chance of rain in the evening then a slight chance of rain after midnight. Lows in the mid to upper 30s.
Weekend Weather
- 42|34°FMostly CloudyHourly details
Day
42°FMostly cloudy. Highs in the lower to mid 40s.
Night
34°FMostly cloudy. Lows in the mid 30s.
- 44|36°FMostly CloudyHourly details
Day
44°FMostly cloudy. Highs in the mid to upper 40s.
Night
36°FMostly cloudy. Lows in the mid to upper 30s.
- 46|38°FChance of Rain
Day
46°FMostly cloudy. A slight chance of rain in the afternoon. Highs in the upper 40s.
Night
38°FMostly cloudy. A slight chance of rain in the evening then a chance of rain after midnight. Lows in the upper 30s.
- 47|40°FChance of Rain
Day
47°FMostly cloudy with a chance of rain. Highs near 50.
Night
40°FPartly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 40F. Dew point will be around 37F with an average humidity of 86%. Winds will be 2 mph from the S.
- 44|40°F40% Chance of Rain
Day
44°FCloudy with a chance of rain. Chance of precipitation 35%. High temperature around 44F. Dew point will be around 38F with an average humidity of 82%. Winds will be 2 mph from the S.
Night
40°FCloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 40F. Dew point will be around 38F with an average humidity of 90%. Winds will be 2 mph from the S.
- 42|38°F50% Chance of Rain
Day
42°FCloudy with a chance of rain. Chance of precipitation 50%. High temperature around 42F. Dew point will be around 38F with an average humidity of 89%. Winds will be 3 mph from the SW.
Night
38°FCloudy with a chance of rain. Chance of precipitation 60%. Low temperature around 38F. Dew point will be around 37F with an average humidity of 92%. Winds will be 3 mph from the SW.














