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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
West Lake Sammamish, WA
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Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
18°
8
17°
9
21°
10
19°
11
21°
12
22°
13
25°
14
23°
15
19°
16
19°
17
16°
18
16°
19
17°
20
17°
21
17°
22
23
24
25
26
27
28
29
30
31
Forecast
Thursday, May 7, 2026
Day
18°
Feels 18
Wind
9 km/h S
Gust
11 km/h
Humidity
52%
P.O.P
20%
Night
10°
Feels 8
Wind
8 km/h S
Gust
12 km/h
Humidity
87%
P.O.P
30%
Historical Averages
May 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
18°
Feels 18
Low
8°
Feels 7
Average Precipitation
10 Days
Rain amount
49.4mm
Snow amount
0cm