< Previous Month Next Month >

Castle Rock October Weather

Averages and records for weather in Castle Rock, Colorado in the month of October.

Typical Castle Rock October Weather 1991–2020
Average daily high	65.3 °F
Average daily low	34.3 °F
Average monthly precipitation	0.8 inches
Average monthly snow	2.8 inches
Daily chance of precipitation	14.1%
Daily chance of snow	3.4%

Castle Rock October Weather Records 1893–2024
Highest temperature	88 °F	October 26, 2021
Lowest temperature	-5 °F	October 26, 1913
Highest daily low	64 °F	October 6, 2007
Lowest daily high	18 °F	October 30, 2019
Hottest average high temperature	73.6 °F	1963
Coldest average high temperature	53.5 °F	1969
Most daily precipitation	3.0 inches	October 23, 1906
Most monthly precipitation	5.4 inches	1923
Most daily snow	36.0 inches	October 23, 1906
Most monthly snow	48.5 inches	1969

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
October 1	71.4	40.0	86	20
October 2	70.9	39.5	84	14
October 3	70.4	39.1	87	24
October 4	70.0	38.6	87	24
October 5	69.7	38.2	86	20
October 6	69.4	37.8	84	19
October 7	69.1	37.5	87	19
October 8	68.8	37.2	88	17
October 9	68.3	36.8	87	17
October 10	68.0	36.5	86	14
October 11	67.7	36.2	84	18
October 12	67.2	35.9	86	14
October 13	66.6	35.4	87	-2
October 14	66.1	35.0	84	2
October 15	65.7	34.7	85	9
October 16	65.2	34.2	85	10
October 17	64.6	33.8	86	9
October 18	64.1	33.4	83	12
October 19	63.6	33.0	84	7
October 20	63.2	32.6	84	11
October 21	62.9	32.3	82	13
October 22	62.6	32.0	86	14
October 23	62.2	31.7	81	8
October 24	61.9	31.5	83	11
October 25	61.8	31.3	80	9
October 26	61.7	31.1	88	-5
October 27	61.3	30.8	79	4
October 28	60.9	30.5	78	4
October 29	60.4	30.2	83	3
October 30	59.8	29.9	78	-3
October 31	59.5	29.7	75	-2

Weather Station Details

Years	Station	Coordinates
1893–2024	Castle Rock	location