Measurements:
°C
°F
World Resorts USA

Keystone Weather Forecast

15 sep, tuesday
Local time:06:56
40°F
E
5 mph
Precip: 10% Feels like: 36°F
Sunrise: 06:33 | Sunset: 19:04
Moonrise: 11:46 | Moonset: 20:50
Pressure: 1023 hPa
Humidity: 80%
Visibility: 6 miles
Day Length: 12 h. 31 min.
Month Averages
September: 78.3°F 59.9°F
09.15
tue
DAY
66°F
NW 9 mph
precip
4%
NIGHT
50°F
N 6 mph
precip
14%
09.16
wed
DAY
88°F
SE 8 mph
precip
0%
NIGHT
58°F
SE 5 mph
precip
11%
09.17
thu
DAY
78°F
NW 8 mph
precip
9%
NIGHT
60°F
NE 4 mph
precip
46%
09.18
fri
DAY
80°F
W 9 mph
precip
1%
NIGHT
58°F
E 5 mph
precip
56%

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 23 days
October 21 days
August 20 days
The most warm months:
July 87.1 °F
August 86.1 °F
September 78.3 °F
The most cold months:
January 30.6 °F
February 31.9 °F
December 34.7 °F
The most rainy months:
May 2 days
June 1 day
April 1 day
The most windy months:
December 9 mph
April 9 mph
February 9 mph

Keystone on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
24 Hours Weather Forecast
Keystone
Local time: 06:56
15 sep, tuesday
0900 54°F
W
3 mph
1200 66°F
NW
9 mph
1500 68°F
N
13 mph
1800 62°F
NW
9 mph
2100 50°F
NE
4 mph
16 sep, wednesday
0000 50°F
N
6 mph
0300 54°F
N
10 mph
0600 48°F
NE
7 mph