Castle Rock Weather in 2018

Historical record of Castle Rock, Colorado weather for the year 2018 based on NOAA data.

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2018 Castle Rock Weather Extremes
Highest temperature	95 °F	July 4
Lowest temperature	-5 °F	February 20
Highest daily low	65 °F	July 15
Lowest daily high	14 °F	January 16
Most daily precipitation	1.2 inches	August 15
Most daily snow	5.3 inches	January 21

What was the hottest temperature in Castle Rock in 2018?

The highest temperature recorded in Castle Rock, Colorado in 2018 was 95 °F which happened on July 4.

Highest Temperatures: All-Time By Year

Highest Temperatures in Castle Rock in 2018

Rank	Temperature	Date
1	95 °F	Jul 4
2	94 °F	Jul 20
2	94 °F	Jul 15
2	94 °F	Jul 9
5	93 °F	Jul 22
5	93 °F	Jul 11
5	93 °F	Jul 8
5	93 °F	Jul 3
9	92 °F	Sep 19
9	92 °F	Jul 23
9	92 °F	Jul 21

What was the coldest temperature in Castle Rock in 2018?

The lowest temperature recorded in Castle Rock, Colorado in 2018 was -5 °F which happened on Feb 20.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Castle Rock in 2018

Rank	Temperature	Date
1	-5 °F	February 20
2	0 °F	January 17
2	0 °F	January 16
4	2 °F	February 21
5	3 °F	December 29
6	6 °F	November 13
6	6 °F	January 22
8	7 °F	December 4
8	7 °F	January 1
10	9 °F	January 2

January 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	32	7	0.00	0.0
January 2	40	9	0.00	0.0
January 3	46	15	0.00	0.0
January 4	54	17	0.00	0.0
January 5	53	22	0.00	0.0
January 6	58	28	0.00	0.0
January 7	58	30	0.00	0.0
January 8	50	29	0.00	0.0
January 9	61	36	0.00	0.0
January 10	68	39	0.00	0.0
January 11	58	15	0.00	0.0
January 12	42	23	0.00	0.0
January 13	47	20	0.00	0.0
January 14	49	18	0.00	0.0
January 15	52	12	0.04	0.0
January 16	14	0	0.00	0.3
January 17	37	0	0.00	0.0
January 18	50	22	0.00	0.0
January 19	65	32	0.00	0.0
January 20	68	33	0.00	0.0
January 21	60	22	0.36	5.3
January 22	24	6	0.05	2.4
January 23	40	10	0.00	0.0
January 24	41	16	0.00	0.0
January 25	53	27	0.00	0.0
January 26	57	25	0.00	0.0
January 27	38	13	0.00	0.0
January 28	47	19	0.00	0.0
January 29	49	22	0.00	0.0
January 30	57	32	0.00	0.0
January 31	63	27	0.00	0.0

February 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	51	22	0.00	0.0
February 2	38	20	0.00	0.0
February 3	59	28	0.00	0.0
February 4	56	12	0.00	0.0
February 5	48	14	0.00	0.0
February 6	53	22	0.00	0.0
February 7	45	18	0.00	0.0
February 8	55	27	0.00	0.0
February 9	59	25	0.00	0.0
February 10	54	13	0.00	0.0
February 11	39	13	0.13	0.1
February 12	39	17	0.00	0.0
February 13	31	16	0.00	0.0
February 14	57	31	0.00	0.0
February 15	59	34	0.00	0.0
February 16	49	12	0.09	0.9
February 17	42	25	0.00	0.0
February 18	51	35	0.00	0.0
February 19	64	11	0.00	0.0
February 20	17	-5	0.11	0.1
February 21	20	2	0.00	0.0
February 22	30	10	0.00	0.0
February 23	30	11	0.00	0.0
February 24	40	17	0.00	0.0
February 25	36	18	0.00	0.0
February 26	42	25	0.00	0.0
February 27	n/a	n/a	0.00	0.0
February 28	n/a	n/a	0.00	0.0

March 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	46	23	0.00	0.0
March 2	53	31	0.00	0.0
March 3	64	40	0.00	0.0
March 4	67	46	0.00	0.0
March 5	62	20	0.00	0.0
March 6	39	13	0.00	0.0
March 7	43	17	0.00	0.0
March 8	51	33	0.00	0.0
March 9	61	29	0.00	0.0
March 10	62	31	0.00	0.0
March 11	52	18	0.00	0.0
March 12	52	17	0.00	0.0
March 13	58	23	0.00	0.0
March 14	55	30	0.00	0.0
March 15	65	41	0.00	0.0
March 16	65	29	0.00	0.0
March 17	52	32	0.00	0.0
March 18	59	28	0.00	0.0
March 19	52	22	0.30	3.9
March 20	39	20	0.00	0.0
March 21	45	31	0.00	0.0
March 22	57	33	0.00	0.0
March 23	70	47	0.00	0.0
March 24	67	29	0.00	0.0
March 25	69	36	0.00	0.0
March 26	68	31	0.00	0.0
March 27	55	24	0.00	0.0
March 28	44	25	0.00	0.0
March 29	46	22	0.00	0.0
March 30	47	28	0.00	0.0
March 31	62	31	0.00	0.0

April 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	59	25	0.00	0.0
April 2	61	27	0.00	0.0
April 3	71	29	0.00	0.0
April 4	55	28	0.00	0.0
April 5	62	34	0.00	0.0
April 6	63	36	0.00	0.0
April 7	38	23	0.00	0.0
April 8	56	31	0.00	0.0
April 9	60	31	0.00	0.0
April 10	54	30	0.00	0.0
April 11	68	42	0.00	0.0
April 12	76	30	0.17	0.8
April 13	43	27	0.00	0.0
April 14	49	29	0.00	0.0
April 15	53	27	0.00	0.0
April 16	63	39	0.00	0.0
April 17	73	53	0.00	0.0
April 18	66	26	0.00	0.0
April 19	54	30	0.00	0.0
April 20	63	41	0.00	0.0
April 21	54	30	0.10	1.0
April 22	57	30	0.00	0.0
April 23	62	40	0.00	0.0
April 24	72	30	0.00	0.0
April 25	35	23	0.28	0.0
April 26	65	35	0.00	0.0
April 27	55	34	0.00	0.0
April 28	71	39	0.00	0.0
April 29	75	57	0.00	0.0
April 30	76	47	0.00	0.0

May 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
May 1	n/a	n/a	n/a	n/a
May 2	n/a	n/a	n/a	n/a
May 3	n/a	n/a	n/a	n/a
May 4	n/a	n/a	n/a	n/a
May 5	n/a	n/a	n/a	n/a
May 6	n/a	n/a	n/a	n/a
May 7	n/a	n/a	n/a	n/a
May 8	n/a	n/a	n/a	n/a
May 9	n/a	n/a	n/a	n/a
May 10	n/a	n/a	n/a	n/a
May 11	n/a	n/a	n/a	n/a
May 12	n/a	n/a	n/a	n/a
May 13	n/a	n/a	n/a	n/a
May 14	n/a	n/a	n/a	n/a
May 15	n/a	n/a	n/a	n/a
May 16	n/a	n/a	n/a	n/a
May 17	n/a	n/a	n/a	n/a
May 18	n/a	n/a	n/a	n/a
May 19	n/a	n/a	n/a	n/a
May 20	n/a	n/a	n/a	n/a
May 21	n/a	n/a	n/a	n/a
May 22	n/a	n/a	n/a	n/a
May 23	n/a	n/a	n/a	n/a
May 24	n/a	n/a	n/a	n/a
May 25	n/a	n/a	n/a	n/a
May 26	n/a	n/a	n/a	n/a
May 27	n/a	n/a	n/a	n/a
May 28	n/a	n/a	n/a	n/a
May 29	n/a	n/a	n/a	n/a
May 30	n/a	n/a	n/a	n/a
May 31	n/a	n/a	n/a	n/a

June 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
June 1	n/a	n/a	n/a	n/a
June 2	n/a	n/a	n/a	n/a
June 3	n/a	n/a	n/a	n/a
June 4	n/a	n/a	n/a	n/a
June 5	n/a	n/a	n/a	n/a
June 6	n/a	n/a	n/a	n/a
June 7	n/a	n/a	n/a	n/a
June 8	n/a	n/a	n/a	n/a
June 9	n/a	n/a	n/a	n/a
June 10	n/a	n/a	n/a	n/a
June 11	n/a	n/a	n/a	n/a
June 12	n/a	n/a	n/a	n/a
June 13	n/a	n/a	n/a	n/a
June 14	n/a	n/a	n/a	n/a
June 15	n/a	n/a	n/a	n/a
June 16	n/a	n/a	n/a	n/a
June 17	n/a	n/a	n/a	n/a
June 18	n/a	n/a	n/a	n/a
June 19	n/a	n/a	n/a	n/a
June 20	n/a	n/a	n/a	n/a
June 21	n/a	n/a	n/a	n/a
June 22	n/a	n/a	n/a	n/a
June 23	n/a	n/a	n/a	n/a
June 24	n/a	n/a	n/a	n/a
June 25	n/a	n/a	n/a	n/a
June 26	n/a	n/a	n/a	n/a
June 27	n/a	n/a	n/a	n/a
June 28	n/a	n/a	n/a	n/a
June 29	n/a	n/a	n/a	n/a
June 30	n/a	n/a	n/a	n/a

July 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	73	52	0.00
July 2	85	59	0.00
July 3	93	54	0.00
July 4	95	56	0.00
July 5	90	58	0.15
July 6	82	58	0.11
July 7	88	61	0.00
July 8	93	62	0.00
July 9	94	59	0.00
July 10	91	63	0.00
July 11	93	57	0.00
July 12	91	63	0.00
July 13	85	56	0.00
July 14	87	60	0.00
July 15	94	65	0.00
July 16	72	56	0.46
July 17	88	60	0.18
July 18	87	60	1.12
July 19	91	59	0.00
July 20	94	60	0.00
July 21	92	64	0.00
July 22	93	64	0.50
July 23	92	58	0.10
July 24	77	57	0.50
July 25	87	62	0.00
July 26	87	57	0.80
July 27	80	58	0.01
July 28	77	63	0.09
July 29	76	52	0.02
July 30	79	54	0.00
July 31	73	53	0.00

August 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	82	53	0.00
August 2	79	55	0.00
August 3	88	64	0.05
August 4	78	54	0.05
August 5	n/a	n/a	0.00
August 6	90	57	0.64
August 7	76	56	0.02
August 8	81	59	0.02
August 9	79	54	0.00
August 10	83	57	0.00
August 11	84	57	0.00
August 12	85	60	0.00
August 13	84	52	0.00
August 14	86	52	0.00
August 15	82	58	1.22
August 16	85	56	0.00
August 17	84	60	0.00
August 18	83	59	0.01
August 19	76	50	0.15
August 20	70	45	0.00
August 21	78	51	0.00
August 22	76	55	0.19
August 23	75	53	0.05
August 24	84	51	0.00
August 25	85	58	0.00
August 26	87	58	0.00
August 27	87	56	0.05
August 28	87	47	0.00
August 29	76	55	0.09
August 30	85	52	0.00
August 31	90	55	0.00

September 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	86	50	0.18
September 2	81	56	0.00
September 3	n/a	58	0.00
September 4	75	51	0.00
September 5	79	52	0.12
September 6	74	51	0.07
September 7	72	48	0.04
September 8	74	50	0.00
September 9	83	53	0.00
September 10	84	48	0.00
September 11	87	53	0.00
September 12	87	52	0.00
September 13	89	60	0.00
September 14	91	48	0.00
September 15	89	48	0.00
September 16	90	54	0.00
September 17	90	55	0.00
September 18	90	52	0.00
September 19	92	57	0.00
September 20	87	57	0.01
September 21	79	47	0.00
September 22	73	46	0.00
September 23	83	46	0.00
September 24	84	52	0.00
September 25	65	38	0.00
September 26	62	44	0.00
September 27	71	40	0.00
September 28	79	37	0.00
September 29	58	39	0.00
September 30	84	36	0.00

October 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	67	41	0.00	0.0
October 2	58	41	0.00	0.0
October 3	77	52	0.00	0.0
October 4	84	47	0.00	0.0
October 5	69	50	0.00	0.0
October 6	74	34	0.29	0.0
October 7	56	35	0.02	0.0
October 8	48	36	0.20	0.0
October 9	40	34	0.00	0.0
October 10	36	30	0.00	0.0
October 11	36	31	0.14	0.0
October 12	51	31	0.00	0.0
October 13	62	32	0.00	0.0
October 14	64	17	0.03	0.6
October 15	24	11	0.01	0.3
October 16	45	22	0.00	0.0
October 17	53	29	0.00	0.0
October 18	55	36	0.00	0.0
October 19	66	35	0.00	0.0
October 20	62	33	0.00	0.0
October 21	68	33	0.00	0.0
October 22	70	37	0.00	0.0
October 23	71	36	0.00	0.0
October 24	63	46	0.00	0.0
October 25	56	34	0.01	0.0
October 26	n/a	37	0.00	0.0
October 27	64	34	0.00	0.0
October 28	71	36	0.00	0.0
October 29	76	40	0.00	0.0
October 30	76	32	0.00	0.0
October 31	38	29	0.52	0.0

November 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	43	28	0.00	0.0
November 2	52	29	0.00	0.0
November 3	64	37	0.00	0.0
November 4	48	28	0.02	0.0
November 5	53	29	0.00	0.0
November 6	50	24	0.00	0.0
November 7	48	21	0.00	0.0
November 8	45	26	0.00	0.0
November 9	35	15	0.00	0.0
November 10	48	23	0.00	0.0
November 11	55	22	0.03	0.1
November 12	25	15	0.19	4.2
November 13	30	6	0.01	0.2
November 14	45	22	0.01	0.0
November 15	61	27	0.00	0.0
November 16	57	30	0.00	0.0
November 17	54	30	0.00	0.0
November 18	42	18	0.00	0.0
November 19	49	19	0.00	0.0
November 20	55	22	0.00	0.0
November 21	57	24	0.00	0.0
November 22	61	24	0.00	0.0
November 23	60	27	0.00	0.0
November 24	50	31	0.00	0.0
November 25	59	12	0.13	1.0
November 26	39	12	0.00	0.0
November 27	51	24	0.00	0.0
November 28	58	38	0.00	0.0
November 29	58	27	0.00	0.0
November 30	50	23	0.00	0.0

December 2018 Castle Rock Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	39	19	0.01	0.0
December 2	41	12	0.00	0.0
December 3	33	20	0.00	0.0
December 4	32	7	0.00	0.0
December 5	37	13	0.04	0.5
December 6	52	16	0.00	0.0
December 7	31	11	0.00	0.0
December 8	46	18	0.00	0.0
December 9	48	19	0.00	0.0
December 10	42	12	0.00	0.0
December 11	58	29	0.00	0.0
December 12	57	27	0.00	0.0
December 13	56	19	0.00	0.0
December 14	40	19	0.00	0.0
December 15	54	32	0.00	0.0
December 16	56	21	0.00	0.0
December 17	63	21	0.00	0.0
December 18	58	28	0.00	0.0
December 19	55	26	0.00	0.0
December 20	46	15	0.00	0.0
December 21	50	26	0.00	0.0
December 22	62	29	0.00	0.0
December 23	34	n/a	0.00	0.0
December 24	48	20	0.00	0.0
December 25	n/a	n/a	0.00	0.0
December 26	48	18	0.00	0.0
December 27	40	14	0.00	0.0
December 28	26	10	0.00	0.0
December 29	22	3	0.01	0.0
December 30	42	13	0.00	0.0
December 31	52	12	0.02	0.6

Next Year >

Weather Station Details

Years	Station	Coordinates
1893–2024	Castle Rock	location