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WeatherLive › Washington › Mercer Island

Mercer Island, WA Weather (98040)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherMercer Island · 1:50 AM PST
57° | 51°
51°F
Feels like 50°
Sunny
WindSE 5 mph · Gusts 13 mph
Precip78% · 0.16 in
Humidity88% · Dew point 42°
UV index1 Low
Air Quality36 Good
Pressure29.44 inHg
Visibility10 mi
Sunrise / Sunset7:11 AM · 4:35 PM · 9h 24m

Weather map — Mercer Island

Full radar →
Now
51°
17%
5 mph
02:00
52°
17%
4 mph
03:00
52°
17%
4 mph
04:00
51°
17%
3 mph
05:00
53°
15%
6 mph
06:00
55°
14%
8 mph
07:00
57°
13%
9 mph
08:00
56°
14%
6 mph
09:00
56°
16%
3 mph
10:00
55°
17%
5 mph
11:00
56°
19%
8 mph
12:00
56°
24%
10 mph
13:00
55°
34%
9 mph
14:00
54°
60%
7 mph
15:00
53°
0.05 in
5 mph
16:00
53°
0.05 in
5 mph
17:00
52°
65%
5 mph
18:00
52°
50%
4 mph
19:00
51°
33%
4 mph
20:00
51°
30%
5 mph
21:00
51°
28%
5 mph
22:00
51°
25%
6 mph
23:00
51°
26%
7 mph
00:00
51°
23%
8 mph

Today · Fri 11/13

High 57°
78% / 0.16 in

Showers. Winds SW at 10 mph.

Overnight · Fri 11/13

Low 51°
17% / –

Mostly cloudy. Winds SE at 4 mph.

Tomorrow · Sat 11/14

57° | 49°
73% / 0.14 in

Showers. Winds S at 9 mph.

7-day trend

Mercer Island · temperature + precipitation

10-day forecast

Updated 1:50 AM

Details & indices

Wind
5 mph SE
Gusts 13 mph
Humidity
88%
Dew point 42°
Pressure
29.44 inHg
Falling
UV index
1 — Low
High today
Air Quality
Good
AQI 36 · US EPA
Allergy
Low
Ragweed
Visibility
10 mi
Clear view
Allergy — Mercer Island

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
Low

Sun & moon

Sunrise7:11 AM
Sunset4:35 PM
Length of day9h 24m
Moonrise11:40 AM
Moonset7:35 PM
Moon phase🌒 Waxing Crescent · 15%
Next full moonNov 24 Beaver Moon
Latitude47.5707°N
Longitude-122.2221°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Fair
Lace up outside
Patio
Poor
Dinner outdoors
Nearby places in Washington
Seattle
Sunny
51°
Tri-Cities
Mostly cloudy
44°
Spokane
Mostly cloudy
40°
Tacoma
Sunny
52°
Vancouver
Sunny
53°
NBM + global weather models
Updated: 1:50 AM
Mercer Island, WA · Elev 335 ft · 47.57°N, 122.22°W · Washington · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 1:50 AM