Current Weather
9:05 AM
58°F
Thunderstorm
RealFeel® 60°
Cool
RealFeel Shade™ 58°
Cool
RealFeel®
60°
RealFeel Shade™
58°
Max UV Index
0.8 (Low)
Wind
NNW 1 mph
Wind Gusts
3 mph
Humidity
87%
Indoor Humidity
61% (Ideal Humidity)
Dew Point
54° F
Pressure
↓ 30.02 in
Cloud Cover
98%
Visibility
5 mi
Cloud Ceiling
3700 ft
Day
8/29
71°Hi
RealFeel®
72°
Pleasant
RealFeel Shade™
68°
Pleasant
Clouds breaking for some sun; a couple of thundershowers this morning followed by a thundershower in parts of the area this afternoon
Max UV Index5.0 (Moderate)
AccuLumen Brightness Index™4 (Dull)
WindSSE 6 mph
Wind Gusts8 mph
Probability of Precipitation91%
Probability of Thunderstorms28%
Precipitation0.16 in
Rain Amount0.16 in
Total Hours of Precipitation2.5
Total Hours of Rain2.5
Cloud Cover70%
Night
8/29
55°Lo
RealFeel®
53°
Cool
Partly cloudy
WindSSW 6 mph
Wind Gusts9 mph
Probability of Precipitation25%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover66%
Sun & Moon
13 hrs 32 mins
Rise
6:23 AM
Set
7:55 PM
Waning Gibbous
Rise
8:22 PM
Set
9:22 AM
Temperature History
8/29High
Low
Forecast
71°
55°
Average
76°
56°
Last Year
73°
58°
Record
91°
1974
44°
1951
Current Weather Conditions in Mercer Island
Mercer Island, Washington is currently Thunderstorm with a temperature of 58°. The current RealFeel® Temperature is 60° (Cool) based on observed conditions including 87% humidity, 98% cloud cover, a UV index of 1, and winds of 1 mph. In shade, the RealFeel Shade™ is 58°. 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.
