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City of Sammamish, WA Weather

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

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

🌤️
City of Sammamish
Mostly clear
71°F
Feels like 73°F
Wind 4 mph
Humidity 51%
Cloud cover 22%
UV index 7
Alerts 0

Active alerts

No active National Weather Service alerts for City of Sammamish, WA.

City of Sammamish weather radar

Light Heavy

Next 24 hours

Now
☀️
70°F
 
1 PM
☁️
72°F
 
2 PM
☁️
74°F
 
3 PM
☁️
75°F
 
4 PM
🌤️
75°F
 
5 PM
☀️
75°F
 
6 PM
☀️
75°F
 
7 PM
☀️
73°F
 
8 PM
☀️
70°F
 
9 PM
☀️
66°F
 
10 PM
☀️
62°F
 
11 PM
☀️
60°F
 
12 AM
🌤️
58°F
 
1 AM
☀️
57°F
 
2 AM
☀️
55°F
 
3 AM
☀️
54°F
 
4 AM
☀️
54°F
 
5 AM
☀️
53°F
 
6 AM
☀️
52°F
 
7 AM
☀️
55°F
 
8 AM
☀️
58°F
 
9 AM
☀️
61°F
 
10 AM
☀️
64°F
 
11 AM
☀️
67°F
 

7-day forecast

Today
Jul 29
☁️
75°F
54°F
1%
Thu
Jul 30
☁️
75°F
52°F
1%
Fri
Jul 31
☀️
85°F
50°F
Sat
Aug 1
🌦️
72°F
54°F
44%
Sun
Aug 2
☁️
73°F
54°F
19%
Mon
Aug 3
☁️
77°F
46°F
Tue
Aug 4
🌤️
85°F
49°F

Weather near City of Sammamish

3 mi Sammamish, WA3 mi West Lake Sammamish, WA5 mi Issaquah, WA5 mi Union Hill-Novelty Hill, WA6 mi Redmond, WA8 mi Bellevue, WA9 mi Mercer Island, WA10 mi Kirkland, 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.