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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Keystone, CO
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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
18
19
3°
20
4°
21
6°
22
5°
23
7°
24
11°
25
12°
26
10°
27
10°
28
9°
29
7°
30
11°
31
15°
Forecast
Tuesday, May 19, 2026
Day
3°
Feels 2
Wind
10 km/h S
Gust
15 km/h
Humidity
62%
P.O.P
90%
Snow
1-3 cm
Rain
1-3 mm
Night
-6°
Feels -9
Wind
8 km/h SE
Gust
12 km/h
Humidity
97%
P.O.P
90%
Snow
1-3 cm
Rain
<1 mm
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
7°
Feels 5
Low
-4°
Feels -9
Average Precipitation
4 Days
Rain amount
0.8mm
Snow amount
8.4cm