Weather Averages for Castle Rock, CO
7-day Forecast / 10-day Forecast
| Monday |
|
High: 32°F
Low: 22°F |
Partly Cloudy
|
|
| Tuesday |
|
High: 33°F
Low: 11°F |
Sunny
|
|
| Wednesday |
|
|
High: 29°F
Low: 14°F |
Sunny
|
|
| Thursday |
|
|
High: 28°F
Low: 15°F |
Partly Cloudy
|
|
| Friday |
|
|
High: 36°F
Low: 18°F |
Partly Cloudy
|
|
Average temperature
over 51 years |
°F |
46 |
28 |
31 |
36 |
44 |
53 |
62 |
69 |
66 |
59 |
48 |
37 |
28 |
Average high temperature
over 51 years |
°F |
63 |
44 |
47 |
52 |
59 |
69 |
79 |
85 |
83 |
76 |
66 |
53 |
45 |
Average low temperature
over 51 years |
°F |
31 |
12 |
16 |
21 |
29 |
38 |
47 |
52 |
50 |
42 |
31 |
21 |
14 |
Average precipitation
over 51 years |
in |
16.8 |
0.5 |
0.6 |
1.4 |
1.6 |
2.4 |
2.2 |
2.3 |
2.0 |
1.1 |
1.1 |
0.9 |
0.6 |
Average snowfall
over 51 years |
in |
62.5 |
6.6 |
7.9 |
12.5 |
10.1 |
1.1 |
- |
- |
- |
0.8 |
5.0 |
8.9 |
9.5 |
Average snow cover
over 51 years |
in |
1.0 |
2.0 |
1.0 |
1.0 |
- |
- |
- |
- |
- |
- |
- |
1.0 |
2.0 |
Heating degree days
over 30 years |
days |
6932 |
1172 |
983 |
911 |
615 |
357 |
116 |
8 |
27 |
220 |
521 |
870 |
1132 |
Cooling degree days
over 30 years |
days |
293 |
- |
- |
- |
- |
- |
56 |
139 |
79 |
19 |
- |
- |
- |
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