Weather in Keystone in Autumn
| September | October | November | ||||
| Average day temperature: | ||||||
| Average day temperature: | 63.1°F | 48.9°F | 36.3°F | |||
| Average night temperature: | ||||||
| Average night temperature: | 39.9°F | 27.1°F | 16.0°F | |||
| Number of sunny days: | ||||||
| Number of sunny days: | 20 days | 19 days | 18 days | |||
| Day length: | ||||||
| Day length: | 11.8 - 13.0 h. | 10.5 - 11.8 h. | 9.6 - 10.5 h. | |||
| Number of rainy days: | ||||||
| Number of rainy days: | 1 day | 0 days | 0 days | |||
| Precipitation totals: | ||||||
| Precipitation totals: | 0.6 in. | 0.9 in. | 0.6 in. | |||
Day & Night air temperature, °F
Precipitation total, in.
Sunny, partly cloudy and cloudy days
weather in
winter
winter
| Keystone |
weather in
spring
spring
| Keystone |
weather in
summer
summer
| Keystone |
weather in
autumn
autumn
| Keystone |
Wind speed, mph
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Keystone
Keystone on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Keystone
Local time: 17:48
May 18, saturday
1800
48°F
E
2 mph
2 mph
2100
32°F
N
2 mph
2 mph
May 19, sunday
0000
28°F
NW
2 mph
2 mph
0300
28°F
N
6 mph
6 mph
0600
30°F
N
6 mph
6 mph
0900
45°F
E
13 mph
13 mph
1200
52°F
E
18 mph
18 mph
1500
54°F
E
16 mph
16 mph
