Measurements:
°C
°F
CURRENT WEATHER
08:27
Keystone
54°F
W 3 mph
Feels like: 54°F
Precip: 2%
World Resorts USA Keystone

Annual Weather

Keystone Air Temperature, °F

Precipitation Totals, in

Rainy Days During the Year

Average Wind Speed, mph
Sunny, Cloudy and Gloomy Days
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
more details

Keystone on the Weather Map

USA Resorts:
NAME
F°
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 +70
Sarasota +86
Washington +66
all resorts
24 Hours Weather Forecast
Keystone
Local time: 08:27
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