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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Sisters, OR
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May
Average Temperature
High
18°
Feels 18
Low
4°
Feels 2
Average Precipitation
6 Days
Rain amount
16.9mm
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
14°
18
18°
19
20°
20
22°
21
24°
22
24°
23
23°
24
23°
25
19°
26
20°
27
18°
28
16°
29
17°
30
19°
31
19°
Forecast
Sunday, May 17, 2026
Day
14°
Feels 13
Wind
20 km/h NE
Gust
30 km/h
Humidity
33%
P.O.P
20%
Night
1°
Feels -1
Wind
17 km/h W
Gust
26 km/h
Humidity
80%
P.O.P
20%
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.