Measurements:
°C
°F
World Resorts USA

Keystone Weather Forecast

21 dec, saturday
Local time:22:39
42°F
E
9 mph
Precip: 0% Feels like: 38°F
Sunrise: 07:27 | Sunset: 16:20
Moonrise: - | Moonset: 11:47
Pressure: 1012 hPa
Humidity: 32%
Visibility: 6 miles
Day Length: 8 h. 53 min.
Month Averages
December: 33.7°F 22.4°F
12.21
sat
DAY
40°F
E 9 mph
precip
0%
NIGHT
42°F
E 9 mph
precip
0%
12.22
sun
DAY
38°F
SE 13 mph
precip
0%
NIGHT
30°F
SE 9 mph
precip
0%
12.23
mon
DAY
36°F
E 2 mph
precip
0%
NIGHT
32°F
SE 5 mph
precip
0%
12.24
tue
DAY
38°F
E 3 mph
precip
0%
NIGHT
30°F
N 6 mph
precip
0%

Keystone Air Temperature, °F

Precipitation Totals, in

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart.

Best Time to Visit Keystone
The most sunny months:
September 24 days
August 22 days
October 22 days
The most warm months:
July 88.7 °F
August 88.3 °F
June 80.0 °F
The most cold months:
February 31.6 °F
January 32.2 °F
December 33.7 °F
The most rainy months:
June 2 days
September 1 day
May 1 day
The most windy months:
April 9 mph
February 9 mph
December 9 mph

Keystone on the Weather Map

USA Resorts:
NAME
Boston +16
Chicago +20
Hawaii +78
Honolulu +78
Houston +48
Las Vegas +56
Los Angeles +56
Miami +66
New York +18
Orlando +52
San Diego +54
San Francisco +54
Sarasota +54
Tampa +50
Washington +22
24 Hours Weather Forecast
Keystone
Local time: 22:39
22 dec, sunday
0000 42°F
E
9 mph
0300 44°F
E
7 mph
0600 42°F
E
12 mph
0900 40°F
SE
16 mph
1200 38°F
SE
13 mph
1500 40°F
SE
14 mph
1800 36°F
SE
11 mph
2100 30°F
SE
11 mph