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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 · 4:08 AM PST
14° | 10°
11°C
Feels like 10°
Sunny
WindE 4 mph · Gusts 9 mph
Precip78% · 0.16 in
Humidity88% · Dew point 5°
UV index1 Low
Air Quality32 Good
Pressure29.32 inHg
Visibility10 mi
Sunrise / Sunset7:11 AM · 4:35 PM · 9h 24m

Weather map — Mercer Island

Full radar →
Now
11°
17%
3 mph
05:00
12°
15%
6 mph
06:00
13°
14%
8 mph
07:00
14°
13%
9 mph
08:00
14°
14%
6 mph
09:00
13°
16%
3 mph
10:00
13°
17%
5 mph
11:00
13°
19%
8 mph
12:00
13°
24%
10 mph
13:00
13°
34%
9 mph
14:00
12°
60%
7 mph
15:00
12°
0.05 in
5 mph
16:00
12°
0.05 in
5 mph
17:00
11°
65%
5 mph
18:00
11°
50%
4 mph
19:00
11°
33%
4 mph
20:00
11°
30%
5 mph
21:00
10°
28%
5 mph
22:00
10°
25%
6 mph
23:00
10°
26%
7 mph
00:00
11°
23%
8 mph
01:00
11°
22%
9 mph
02:00
11°
19%
7 mph
03:00
10°
22%
7 mph

Today · Fri 11/13

High 14°
78% / 0.16 in

Showers. Winds SW at 10 mph.

Overnight · Fri 11/13

Low 12°
— / –

Showers.

Tomorrow · Sat 11/14

14° | 10°
73% / 0.14 in

Showers. Winds S at 9 mph.

7-day trend

Mercer Island · temperature + precipitation

10-day forecast

Updated 4:08 AM

Details & indices

Wind
4 mph E
Gusts 9 mph
Humidity
88%
Dew point 5°
Pressure
29.32 inHg
Falling
UV index
1 — Low
High today
Air Quality
Good
AQI 32 · 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 · 16%
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
12°
Tri-Cities
Mostly cloudy
7°
Spokane
Mostly cloudy
4°
Tacoma
Partly cloudy
11° 🌤️
Vancouver
—
—
NBM + global weather models
Updated: 4:08 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: 4:08 AM