Monthly Historical AveragesWinchester, OR
Average Temperature
High
21°
Feels 21
Low
8°
Feels 8
Average Precipitation
9 Days
32.2mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, May 23, 2026
Day
27°Feels 27
Wind
15 km/h N
Gust
23 km/h
Humidity
32%
P.O.P
20%
Night
11°Feels 10
Wind
17 km/h NW
Gust
26 km/h
Humidity
82%
P.O.P
10%
Historical AveragesMay 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity