Casper Weather in 2018

Historical record of Casper, Wyoming weather for the year 2018 based on NOAA data.

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2018 Casper Weather Extremes
Highest temperature	100 °F	August 12
Lowest temperature	-21 °F	February 20
Highest daily low	65 °F	July 8
Lowest daily high	0 °F	February 19
Most daily precipitation	0.8 inches	June 17
Most daily snow	8.9 inches	February 19
Total annual precipitation	13.1 inches	-
Total annual snow	68.4 inches	-

What was the hottest temperature in Casper in 2018?

The highest temperature recorded in Casper, Wyoming in 2018 was 100 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Casper in 2018

Rank	Temperature	Date
1	100 °F	Aug 12
1	100 °F	Jul 10
1	100 °F	Jul 7
4	98 °F	Aug 11
4	98 °F	Jul 9
4	98 °F	Jul 8
4	98 °F	Jul 6
8	97 °F	Jul 21
8	97 °F	Jul 20
8	97 °F	Jun 28

What was the coldest temperature in Casper in 2018?

The lowest temperature recorded in Casper, Wyoming in 2018 was -21 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Casper in 2018

Rank	Temperature	Date
1	-21 °F	February 20
1	-21 °F	February 19
3	-19 °F	January 1
4	-10 °F	December 31
5	-9 °F	December 27
6	-8 °F	February 22
6	-8 °F	February 21
8	-6 °F	December 26
9	-5 °F	January 15
10	-3 °F	January 16

January 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	10	-19	0.00	0.0
January 2	28	-1	0.00	0.0
January 3	35	15	0.00	0.0
January 4	37	10	0.00	0.0
January 5	41	22	0.00	0.0
January 6	40	30	0.00	0.0
January 7	39	25	0.00	0.0
January 8	44	33	0.00	0.0
January 9	50	37	0.00	0.0
January 10	46	11	0.00	0.1
January 11	36	15	0.00	0.0
January 12	39	18	0.01	0.1
January 13	45	23	0.00	0.0
January 14	45	22	0.01	0.0
January 15	22	-5	0.03	0.8
January 16	37	-3	0.00	0.0
January 17	43	20	0.00	0.0
January 18	51	35	0.00	0.0
January 19	50	32	0.00	0.0
January 20	32	22	0.53	8.1
January 21	25	6	0.10	3.2
January 22	25	7	0.00	0.0
January 23	25	11	0.00	0.0
January 24	35	23	0.00	0.0
January 25	44	27	0.00	0.0
January 26	33	21	0.00	0.0
January 27	35	19	0.00	0.0
January 28	40	17	0.00	0.0
January 29	47	27	0.00	0.0
January 30	48	28	0.00	0.0
January 31	36	23	0.00	0.0

February 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	36	17	0.03	0.3
February 2	50	16	0.00	0.0
February 3	51	10	0.00	0.0
February 4	44	2	0.00	0.0
February 5	44	15	0.06	0.5
February 6	43	14	0.00	0.0
February 7	50	18	0.00	0.0
February 8	49	15	0.00	0.0
February 9	16	2	0.06	1.1
February 10	24	-2	0.00	0.2
February 11	34	7	0.00	0.0
February 12	14	5	0.00	0.0
February 13	46	8	0.00	0.0
February 14	47	27	0.00	0.0
February 15	32	4	0.03	0.7
February 16	40	8	0.00	0.0
February 17	47	15	0.00	0.0
February 18	43	0	0.16	5.8
February 19	0	-21	0.22	8.9
February 20	12	-21	0.00	0.0
February 21	19	-8	0.00	0.0
February 22	20	-8	0.00	0.0
February 23	19	n/a	0.06	1.1
February 24	23	3	0.00	0.0
February 25	26	12	0.00	0.0
February 26	35	20	0.00	0.0
February 27	39	13	0.00	0.0
February 28	35	15	0.00	0.0

March 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	44	18	0.00	0.0
March 2	51	27	0.00	0.0
March 3	48	25	0.00	0.0
March 4	43	18	0.00	0.0
March 5	35	16	0.00	0.0
March 6	38	13	0.00	0.0
March 7	47	13	0.00	0.0
March 8	55	29	0.00	0.0
March 9	55	28	0.00	0.0
March 10	42	13	0.00	0.0
March 11	49	12	0.00	0.0
March 12	52	21	0.00	0.0
March 13	57	15	0.00	0.0
March 14	64	21	0.00	0.0
March 15	56	36	0.03	0.0
March 16	48	21	0.15	0.0
March 17	57	16	0.00	0.0
March 18	38	20	0.07	1.4
March 19	44	20	0.00	0.0
March 20	47	22	0.00	0.0
March 21	56	23	0.00	0.0
March 22	66	36	0.00	0.0
March 23	58	28	0.11	0.0
March 24	58	28	0.00	0.0
March 25	49	27	0.21	0.2
March 26	36	19	0.02	0.4
March 27	52	20	0.00	0.0
March 28	43	31	0.24	1.8
March 29	43	22	0.16	2.6
March 30	58	23	0.00	0.0
March 31	34	15	0.01	0.1

April 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	59	15	0.00	0.0
April 2	56	18	0.11	1.3
April 3	42	5	0.00	0.0
April 4	57	21	0.00	0.0
April 5	50	22	0.00	0.0
April 6	27	15	0.07	1.0
April 7	58	14	0.00	0.0
April 8	57	30	0.11	0.2
April 9	53	19	0.00	0.7
April 10	68	24	0.00	0.0
April 11	69	46	0.00	0.0
April 12	64	35	0.00	0.0
April 13	37	26	0.00	0.0
April 14	55	19	0.00	0.0
April 15	63	18	0.00	0.0
April 16	75	24	0.00	0.0
April 17	59	21	0.15	2.5
April 18	49	18	0.00	0.0
April 19	65	29	0.00	0.0
April 20	49	33	0.16	0.0
April 21	63	35	0.00	0.0
April 22	69	28	0.00	0.0
April 23	56	32	0.02	0.0
April 24	43	24	0.01	0.0
April 25	70	24	0.00	0.0
April 26	62	33	0.00	0.0
April 27	72	33	0.00	0.0
April 28	80	26	0.00	0.0
April 29	76	37	0.00	0.0
April 30	59	30	0.40	0.0

May 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	57	29	0.00
May 2	50	30	0.06
May 3	63	34	0.00
May 4	71	35	0.00
May 5	74	37	0.00
May 6	77	39	0.00
May 7	82	46	0.00
May 8	73	36	0.00
May 9	80	36	0.00
May 10	73	44	0.17
May 11	60	39	0.63
May 12	48	39	0.01
May 13	68	41	0.01
May 14	67	41	0.02
May 15	73	36	0.00
May 16	79	40	0.00
May 17	77	39	0.00
May 18	68	37	0.29
May 19	48	41	0.06
May 20	66	37	0.00
May 21	77	37	0.00
May 22	74	41	0.42
May 23	73	47	0.01
May 24	77	48	0.00
May 25	82	46	0.00
May 26	88	43	0.00
May 27	77	49	0.44
May 28	70	45	0.21
May 29	64	48	0.53
May 30	78	47	0.00
May 31	82	49	0.00

June 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	73	42	0.00
June 2	72	39	0.00
June 3	80	37	0.00
June 4	86	47	0.00
June 5	93	46	0.00
June 6	82	56	0.00
June 7	90	52	0.00
June 8	89	49	0.00
June 9	93	47	0.00
June 10	86	45	0.00
June 11	79	39	0.00
June 12	83	36	0.00
June 13	93	35	0.00
June 14	96	49	0.00
June 15	88	49	0.00
June 16	77	46	0.03
June 17	61	51	0.82
June 18	68	49	0.00
June 19	71	46	0.39
June 20	71	43	0.00
June 21	84	46	0.02
June 22	76	49	0.00
June 23	80	49	0.09
June 24	66	49	0.12
June 25	85	46	0.00
June 26	93	51	0.00
June 27	94	51	0.00
June 28	97	51	0.00
June 29	86	52	0.00
June 30	63	44	0.16

July 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	84	40	0.00
July 2	91	52	0.00
July 3	87	55	0.00
July 4	82	45	0.00
July 5	90	59	0.02
July 6	98	51	0.00
July 7	100	57	0.00
July 8	98	65	0.00
July 9	98	60	0.71
July 10	100	57	0.01
July 11	90	60	0.16
July 12	85	59	0.00
July 13	92	56	0.00
July 14	95	54	0.00
July 15	86	59	0.00
July 16	90	58	0.23
July 17	90	56	0.02
July 18	89	54	0.00
July 19	93	50	0.00
July 20	97	52	0.00
July 21	97	56	0.00
July 22	79	61	0.00
July 23	88	52	0.00
July 24	94	53	0.00
July 25	82	54	0.29
July 26	82	51	0.00
July 27	85	50	0.00
July 28	84	48	0.03
July 29	78	49	0.15
July 30	80	45	0.00
July 31	90	43	0.00

August 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	88	50	0.00
August 2	95	57	0.00
August 3	92	51	0.00
August 4	89	47	0.00
August 5	82	49	0.01
August 6	83	47	0.00
August 7	88	45	0.00
August 8	90	48	0.00
August 9	93	49	0.00
August 10	92	50	0.00
August 11	98	49	0.00
August 12	100	50	0.00
August 13	90	55	0.00
August 14	82	56	0.01
August 15	88	54	0.00
August 16	90	48	0.00
August 17	93	51	0.00
August 18	77	52	0.13
August 19	67	53	0.09
August 20	77	46	0.06
August 21	67	48	0.00
August 22	84	48	0.00
August 23	80	48	0.00
August 24	89	49	0.00
August 25	91	56	0.00
August 26	87	45	0.00
August 27	77	51	0.00
August 28	71	42	0.03
August 29	84	37	0.00
August 30	89	50	0.00
August 31	87	48	0.00

September 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	86	42	0.00
September 2	83	39	0.00
September 3	88	44	0.00
September 4	76	50	0.00
September 5	81	51	0.00
September 6	85	44	0.00
September 7	86	39	0.00
September 8	84	42	0.00
September 9	84	50	0.00
September 10	88	42	0.00
September 11	84	50	0.00
September 12	90	40	0.00
September 13	87	40	0.00
September 14	87	38	0.00
September 15	91	38	0.00
September 16	89	56	0.00
September 17	88	49	0.00
September 18	87	42	0.00
September 19	71	44	0.02
September 20	70	38	0.01
September 21	79	29	0.00
September 22	85	42	0.00
September 23	84	47	0.00
September 24	66	32	0.21
September 25	61	32	0.00
September 26	70	25	0.00
September 27	70	38	0.00
September 28	53	34	0.01
September 29	51	34	0.00
September 30	59	39	0.03

October 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	77	40	0.00	0.0
October 2	80	54	0.00	0.0
October 3	69	37	0.12	0.0
October 4	67	33	0.03	0.0
October 5	55	32	0.30	0.4
October 6	55	28	0.18	0.0
October 7	42	32	0.50	1.1
October 8	37	30	0.28	1.2
October 9	37	28	0.00	0.0
October 10	33	26	0.03	0.1
October 11	49	23	0.02	0.0
October 12	57	28	0.00	0.2
October 13	44	18	0.18	3.5
October 14	30	17	0.01	0.6
October 15	46	17	0.00	0.0
October 16	58	27	0.00	0.0
October 17	61	21	0.00	0.0
October 18	64	30	0.00	0.0
October 19	63	31	0.00	0.0
October 20	69	23	0.00	0.0
October 21	71	37	0.00	0.0
October 22	65	32	0.00	0.0
October 23	67	27	0.00	0.0
October 24	64	34	0.00	0.0
October 25	64	37	0.00	0.0
October 26	64	33	0.00	0.0
October 27	67	35	0.00	0.0
October 28	72	28	0.00	0.0
October 29	68	29	0.00	0.0
October 30	41	19	0.04	0.0
October 31	49	19	0.00	0.0

November 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	49	30	0.00	0.0
November 2	63	32	0.13	0.2
November 3	46	27	0.00	0.0
November 4	45	26	0.00	0.0
November 5	45	26	0.06	0.0
November 6	44	21	0.27	3.9
November 7	35	19	0.00	0.2
November 8	32	16	0.01	0.3
November 9	45	6	0.00	0.0
November 10	41	24	0.00	0.0
November 11	33	20	0.00	0.0
November 12	31	12	0.02	0.7
November 13	46	26	0.00	0.0
November 14	53	35	0.00	0.0
November 15	53	24	0.00	0.0
November 16	53	21	0.11	1.8
November 17	21	4	0.22	2.4
November 18	31	7	0.00	0.0
November 19	38	23	0.00	0.0
November 20	45	23	0.00	0.0
November 21	51	31	0.00	0.0
November 22	49	35	0.00	0.0
November 23	47	28	0.00	0.0
November 24	39	23	0.08	1.8
November 25	34	20	0.00	0.0
November 26	35	17	0.00	0.0
November 27	43	31	0.00	0.0
November 28	46	26	0.03	0.0
November 29	44	24	0.00	0.0
November 30	38	26	0.01	0.0

December 2018 Casper Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	35	20	0.00	0.0
December 2	29	17	0.04	0.1
December 3	28	13	0.01	1.4
December 4	26	10	0.00	0.0
December 5	28	8	0.00	0.0
December 6	27	0	0.00	0.0
December 7	38	12	0.00	0.0
December 8	39	16	0.00	0.0
December 9	35	13	0.00	0.0
December 10	41	27	0.00	0.0
December 11	41	21	0.00	0.0
December 12	41	21	0.00	0.0
December 13	33	15	0.00	0.0
December 14	43	26	0.00	0.0
December 15	48	30	0.00	0.0
December 16	51	29	0.00	0.0
December 17	51	33	0.00	0.0
December 18	47	30	0.00	0.0
December 19	46	20	0.00	0.0
December 20	43	18	0.00	0.0
December 21	50	21	0.00	0.0
December 22	31	14	0.00	0.0
December 23	38	19	0.00	0.0
December 24	40	24	0.00	0.0
December 25	36	16	0.01	0.1
December 26	26	-6	0.12	1.7
December 27	18	-9	0.01	0.2
December 28	14	-1	0.00	0.1
December 29	26	0	0.00	0.0
December 30	37	17	0.05	0.6
December 31	17	-10	0.16	2.7

Next Year >

Weather Station Details

Years	Station	Coordinates
1949–2024	Casper-Natrona County International Airport	location
1900–1948	Casper 2 E	location