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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Lancaster, WA
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May
Average Temperature
High
20°
Feels 20
Low
7°
Feels 5
Average Precipitation
8 Days
Rain amount
29.9mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
25°
6
27°
7
27°
8
23°
9
23°
10
27°
11
26°
12
24°
13
25°
14
28°
15
27°
16
27°
17
25°
18
23°
19
21°
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Tuesday, May 5, 2026
Day
25°
Feels 25
Wind
20 km/h NE
Gust
30 km/h
Humidity
22%
P.O.P
10%
Night
10°
Feels 8
Wind
14 km/h E
Gust
21 km/h
Humidity
51%
P.O.P
10%
Historical Averages
May 5
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.