For this time of the year, Keystone is experiencing slightly cooler temperatures, gently falling below the seasonal average.
According to the long-range forecast, temperatures are expected to be 27.7 °C which is -1 °C lower than the historical average.
Select a month and click on a day for more information:
Saturday
Aug 1
28° / 16°
Sunday
Aug 2
28° / 14°
Monday
Aug 3
27° / 15°
Tuesday
Aug 4
32° / 19°
Wednesday
Aug 5
26° / 22°
Thursday
Aug 6
27° / 22°
Friday
Aug 7
28° / 23°
Saturday
Aug 8
29° / 23°
Sunday
Aug 9
28° / 23°
Monday
Aug 10
27° / 23°
Tuesday
Aug 11
27° / 23°
Wednesday
Aug 12
27° / 23°
Thursday
Aug 13
27° / 22°
Friday
Aug 14
27° / 22°
Saturday
Aug 15
27° / 22°
Sunday
Aug 16
28° / 22°
Monday
Aug 17
28° / 22°
Tuesday
Aug 18
28° / 14°
Wednesday
Aug 19
28° / 14°
Thursday
Aug 20
31° / 18°
Friday
Aug 21
29° / 19°
Saturday
Aug 22
29° / 20°
Sunday
Aug 23
28° / 19°
Monday
Aug 24
29° / 18°
Tuesday
Aug 25
30° / 20°
Wednesday
Aug 26
28° / 16°
Thursday
Aug 27
25° / 13°
Friday
Aug 28
27° / 15°
Saturday
Aug 29
28° / 15°
Sunday
Aug 30
28° / 17°
Monday
Aug 31
29° / 16°
Keystone 30 days weather forecast
Check out our estimated 30 days weather forecast for Keystone, this data is based on the average weather in Keystone in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Keystone next to the desired date.