Forecast Summary
The next few hours will be clear, with today reaching 23°C and dropping to 11°C. The coming days will be misty throughout the day.
Current Weather
23°
Mostly Clear
Feels Like
20°
Min
9°
Max
23°
Compared to Yesterday
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Hourly Forecast
Weather forecast for the next 48 hours.
5%
6%
UV Index
No protection needed
Humidity
Current air moisture level
Daylight Hours
14 hours 12 minutes of sunlight today
05:59
Sunrise
20:12
Sunset
Daily Forecast
Weather forecast for the next 8 days.
Thursday
Today
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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Frequently asked questions about weather in Mercer Island
How warm does it get in Mercer Island?
The warmest month in Mercer Island is August, with average high temperatures of 25°C. The average temperature during this period is around 19°C.
How cold does it get in Mercer Island?
The coldest month in Mercer Island is February, with average low temperatures of 4°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Mercer Island?
The wettest month in Mercer Island is December, with an average of 199mm of precipitation.
What is the driest time of year in Mercer Island?
The driest month in Mercer Island is July, with an average of 15mm of precipitation.
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