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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Rochester, WA
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May
Average Temperature
High
18°
Feels 18
Low
6°
Feels 6
Average Precipitation
9 Days
Rain amount
38.5mm
Snow amount
0.1cm
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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°
23
20°
24
21°
25
13°
26
16°
27
18°
28
17°
29
17°
30
16°
31
18°
Forecast
Friday, May 22, 2026
Day
23°
Feels 23
Wind
19 km/h W
Gust
27 km/h
Humidity
46%
P.O.P
10%
Night
10°
Feels 7
Wind
24 km/h W
Gust
36 km/h
Humidity
94%
P.O.P
30%
Historical Averages
May 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.