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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Pullman, WA
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May
Average Temperature
High
18°
Feels 17
Low
6°
Feels 4
Average Precipitation
10 Days
Rain amount
31.2mm
Snow amount
0.1cm
Content continues below
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
18°
20
20°
21
20°
22
22°
23
24°
24
24°
25
16°
26
15°
27
18°
28
19°
29
15°
30
16°
31
18°
Forecast
Tuesday, May 19, 2026
Day
18°
Feels 18
Wind
17 km/h W
Gust
25 km/h
Humidity
34%
P.O.P
20%
Night
7°
Feels 5
Wind
12 km/h S
Gust
18 km/h
Humidity
71%
P.O.P
20%
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.