The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Grandview, WA
Content continues below
May
Average Temperature
High
23°
Feels 23
Low
9°
Feels 8
Average Precipitation
7 Days
Rain amount
38.9mm
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
21°
18
24°
19
24°
20
26°
21
28°
22
29°
23
28°
24
27°
25
25°
26
26°
27
25°
28
23°
29
24°
30
26°
31
26°
Forecast
Sunday, May 17, 2026
Day
21°
Feels 21
Wind
17 km/h W
Gust
26 km/h
Humidity
23%
P.O.P
10%
Night
6°
Feels 5
Wind
9 km/h NW
Gust
14 km/h
Humidity
70%
P.O.P
10%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.