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Issaquah, WA Weather

Live radar, hourly and 7-day forecast, and National Weather Service alerts for Issaquah, King County, Washington.

Updated Jul 29, 2026, 12:19 PM local time · Radar refreshes every 5 minutes

🌤️
Issaquah
Mostly clear
72°F
Feels like 74°F
Wind 4 mph
Humidity 50%
Cloud cover 26%
UV index 7
Alerts 0

Active alerts

No active National Weather Service alerts for Issaquah, WA.

Issaquah weather radar

Light Heavy

Next 24 hours

Now
☀️
72°F
 
1 PM
☁️
74°F
 
2 PM
☁️
75°F
 
3 PM
☁️
76°F
 
4 PM
🌤️
76°F
 
5 PM
☀️
77°F
 
6 PM
☀️
76°F
 
7 PM
☀️
75°F
 
8 PM
☀️
72°F
 
9 PM
☀️
68°F
 
10 PM
☀️
65°F
 
11 PM
☀️
62°F
 
12 AM
☀️
60°F
 
1 AM
☀️
59°F
 
2 AM
☀️
58°F
 
3 AM
☀️
57°F
 
4 AM
☀️
57°F
 
5 AM
☀️
55°F
 
6 AM
☀️
54°F
 
7 AM
☀️
57°F
 
8 AM
☀️
60°F
 
9 AM
☀️
62°F
 
10 AM
☀️
65°F
 
11 AM
☀️
68°F
 

7-day forecast

Today
Jul 29
☁️
77°F
56°F
1%
Thu
Jul 30
☁️
78°F
54°F
1%
Fri
Jul 31
☀️
87°F
54°F
Sat
Aug 1
🌦️
74°F
57°F
40%
Sun
Aug 2
☁️
75°F
53°F
16%
Mon
Aug 3
☁️
80°F
49°F
Tue
Aug 4
☀️
88°F
52°F

Weather near Issaquah

5 mi City of Sammamish, WA5 mi West Lake Sammamish, WA8 mi Sammamish, WA8 mi Fairwood, WA9 mi Renton, WA9 mi Mercer Island, WA10 mi Bellevue, WA10 mi Maple Valley, WA
Alerts are relayed from the National Weather Service and may lag the official source. In a life-threatening situation always follow weather.gov and local emergency broadcasts.