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Today Hourly 7 days 30 days September
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September 2026 Weather | Sammamish, Washington

Today 9/18
Cloudy Weather
Day 73°
Night 50°
1
Sat 9/19
Cloudy Weather
Day 72°
Night 48°
1
Sun 9/20
Cloudy Weather
Day 72°
Night 48°
1
Mon 9/21
Cloudy Weather
Day 72°
Night 54°
6
Tue 9/22
Cloudy Weather
Day 66°
Night 46°
5
Wed 9/23
Cloudy Weather
Day 64°
Night 46°
12
Thu 9/24
Cloudy Weather
Day 66°
Night 48°
25
Fri 9/25
Partly Sunny with Showers
Day 64°
Night 46°
67
Sat 9/26
Sunny Weather
Day 66°
Night 48°
0
Sun 9/27
Cloudy Weather
Day 64°
Night 48°
1
Mon 9/28
Rainy Weather
Day 64°
Night 48°
60
Tue 9/29
Cloudy Weather
Day 66°
Night 48°
4
Wed 9/30
Cloudy Weather
Day 64°
Night 46°
55

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