Current Weather
2:20 PM
97°F
Sunny
RealFeel® 105°
Very Hot
RealFeel Shade™ 97°
Hot
RealFeel®
105°
RealFeel Shade™
97°
Heat Index
99°
Max UV Index
5.8 (High)
Wind
NW 3 mph
Wind Gusts
5 mph
Humidity
34%
Indoor Humidity
34% (Humid)
Dew Point
64° F
Pressure
↔ 29.87 in
Cloud Cover
0%
Visibility
6 mi
Cloud Ceiling
33300 ft
Day
7/22
97°Hi
RealFeel®
105°
Hot
RealFeel Shade™
97°
Hot
Hot with the temperature approaching the record high of 96 set in 2006 with plenty of sunshine; extreme heat can be dangerous for outdoor activities
Max UV Index8.0 (Very High)
AccuLumen Brightness Index™9 (Very Bright)
WindN 6 mph
Wind Gusts18 mph
Probability of Precipitation7%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover4%
Night
7/22
64°Lo
RealFeel®
63°
Pleasant
Clear to partly cloudy
WindWSW 6 mph
Wind Gusts13 mph
Probability of Precipitation24%
Probability of Thunderstorms3%
Precipitation0.00 in
Cloud Cover27%
Sun & Moon
15 hrs 22 mins
Rise
5:34 AM
Set
8:56 PM
Waxing Gibbous
Rise
3:41 PM
Set
12:22 AM
Temperature History
7/22High
Low
Forecast
97°
64°
Average
79°
58°
Last Year
78°
57°
Record
96°
2006
49°
1973
Current Weather Conditions in Mercer Island
Mercer Island, Washington is currently Sunny with a temperature of 97°. The current RealFeel® Temperature is 105° (Very Hot) based on observed conditions including 34% humidity, 0% cloud cover, a UV index of 6, and winds of 3 mph. In shade, the RealFeel Shade™ is 97°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Mercer Island, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
