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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Pullman, WA
Content continues below
May
Average Temperature
High
18°
Feels 18
Low
6°
Feels 4
Average Precipitation
10 Days
Rain amount
32.5mm
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
13°
18
18°
19
21°
20
19°
21
20°
22
21°
23
21°
24
21°
25
17°
26
19°
27
19°
28
17°
29
17°
30
19°
31
19°
Forecast
Sunday, May 17, 2026
Day
13°
Feels 12
Wind
21 km/h NW
Gust
32 km/h
Humidity
47%
P.O.P
40%
Rain
~1 mm
Night
3°
Feels -1
Wind
14 km/h E
Gust
21 km/h
Humidity
100%
P.O.P
40%
Rain
~1 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.