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
Winchester, WA
Content continues below
May
Average Temperature
High
23°
Feels 23
Low
12°
Feels 11
Average Precipitation
4 Days
Rain amount
27.3mm
Snow amount
0cm
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
25°
12
26°
13
26°
14
23°
15
20°
16
19°
17
20°
18
23°
19
26°
20
27°
21
19°
22
20°
23
17°
24
21°
25
22°
26
27
28
29
30
31
Forecast
Monday, May 11, 2026
Day
25°
Feels 25
Wind
19 km/h NE
Gust
28 km/h
Humidity
19%
P.O.P
0%
Night
12°
Feels 11
Wind
11 km/h NE
Gust
17 km/h
Humidity
49%
P.O.P
0%
Historical Averages
May 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.