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Precipitation
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°Fahrenheit
Monthly Historical Averages
Roy, WA
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May
Average Temperature
High
18°
Feels 18
Low
7°
Feels 6
Average Precipitation
10 Days
Rain amount
52.7mm
Snow amount
0cm
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
21°
24
21°
25
14°
26
16°
27
18°
28
17°
29
17°
30
17°
31
18°
Forecast
Saturday, May 23, 2026
Day
21°
Feels 21
Wind
14 km/h W
Gust
21 km/h
Humidity
49%
P.O.P
20%
Night
8°
Feels 7
Wind
14 km/h SW
Gust
21 km/h
Humidity
87%
P.O.P
20%
Historical Averages
May 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.