Great Falls Weather in 2018

Historical record of Great Falls, Montana weather for the year 2018 based on NOAA data.

Jump to Month:

Year:

2018 Great Falls Weather Extremes
Highest temperature	102 °F	August 10
Lowest temperature	-27 °F	January 1
Highest daily low	63 °F	July 18
Lowest daily high	-1 °F	January 11
Most daily precipitation	1.4 inches	May 11
Most daily snow	8.3 inches	April 12
Total annual precipitation	15.0 inches	-
Total annual snow	86.3 inches	-

What was the hottest temperature in Great Falls in 2018?

The highest temperature recorded in Great Falls, Montana in 2018 was 102 °F which happened on August 10.

Highest Temperatures: All-Time By Year

Highest Temperatures in Great Falls in 2018

Rank	Temperature	Date
1	102 °F	Aug 10
2	99 °F	Aug 11
3	98 °F	Aug 9
4	96 °F	Aug 1
4	96 °F	Jul 6
6	94 °F	Jul 13
6	94 °F	Jul 10
8	93 °F	Aug 16
8	93 °F	Aug 15
8	93 °F	Aug 8
8	93 °F	Aug 2
8	93 °F	Jul 20
8	93 °F	Jul 18
8	93 °F	Jul 9

What was the coldest temperature in Great Falls in 2018?

The lowest temperature recorded in Great Falls, Montana in 2018 was -27 °F which happened on Jan 1.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Great Falls in 2018

Rank	Temperature	Date
1	-27 °F	January 1
2	-20 °F	February 20
2	-20 °F	February 12
4	-15 °F	February 23
4	-15 °F	February 19
4	-15 °F	February 10
4	-15 °F	February 9
8	-13 °F	February 11
9	-12 °F	February 21
10	-7 °F	February 18
10	-7 °F	February 15
10	-7 °F	January 12

January 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	12	-27	0.00	0.0
January 2	31	7	0.00	0.0
January 3	37	27	0.00	0.0
January 4	38	23	0.00	0.0
January 5	42	34	0.00	0.0
January 6	42	32	0.00	0.0
January 7	41	33	0.00	0.0
January 8	47	36	0.00	0.0
January 9	48	11	0.01	0.1
January 10	11	-2	0.08	1.2
January 11	-1	-5	0.20	2.0
January 12	8	-7	0.04	0.3
January 13	40	5	0.00	0.0
January 14	37	23	0.00	0.0
January 15	23	6	0.00	0.0
January 16	41	21	0.00	0.0
January 17	45	28	0.00	0.0
January 18	50	35	0.02	0.0
January 19	42	25	0.00	0.0
January 20	40	25	0.00	0.0
January 21	39	21	0.00	0.0
January 22	41	25	0.00	0.0
January 23	39	20	0.00	0.0
January 24	51	31	0.00	0.0
January 25	48	21	0.00	0.0
January 26	40	20	0.00	0.0
January 27	29	9	0.00	0.0
January 28	20	12	0.00	0.0
January 29	53	18	0.00	0.0
January 30	52	26	0.00	0.0
January 31	33	7	0.00	0.0

February 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	37	6	0.00	0.0
February 2	48	30	0.00	0.0
February 3	43	-3	0.09	2.4
February 4	13	-3	0.18	2.3
February 5	13	4	0.14	2.9
February 6	16	0	0.02	0.2
February 7	40	1	0.00	0.0
February 8	13	-2	0.34	5.8
February 9	2	-15	0.10	1.7
February 10	20	-15	0.00	0.0
February 11	23	-13	0.04	2.8
February 12	15	-20	0.00	0.0
February 13	37	14	0.00	0.0
February 14	38	9	0.19	5.0
February 15	20	-7	0.03	1.0
February 16	32	20	0.01	0.6
February 17	22	5	0.18	6.0
February 18	6	-7	0.07	1.5
February 19	0	-15	0.04	0.4
February 20	7	-20	0.00	0.0
February 21	18	-12	0.00	0.0
February 22	12	-6	0.00	0.0
February 23	21	-15	0.00	0.0
February 24	28	10	0.00	0.0
February 25	34	17	0.00	0.0
February 26	32	11	0.00	0.0
February 27	29	15	0.00	0.0
February 28	34	17	0.00	0.0

March 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	37	10	0.00	0.0
March 2	22	8	0.04	0.8
March 3	28	-3	0.00	0.0
March 4	15	5	0.33	5.2
March 5	27	-6	0.00	0.0
March 6	33	3	0.00	0.0
March 7	41	4	0.00	0.0
March 8	40	14	0.00	0.0
March 9	41	29	0.01	0.5
March 10	42	22	0.00	0.0
March 11	41	22	0.00	0.0
March 12	43	18	0.00	0.0
March 13	49	20	0.00	0.0
March 14	38	22	0.00	0.0
March 15	40	29	0.27	0.8
March 16	38	28	0.00	0.0
March 17	31	29	0.09	1.3
March 18	35	28	0.00	0.0
March 19	45	26	0.00	0.0
March 20	48	25	0.00	0.0
March 21	52	24	0.00	0.0
March 22	45	31	0.00	0.0
March 23	54	27	0.00	0.0
March 24	51	26	0.01	0.0
March 25	45	19	0.00	0.0
March 26	47	21	0.00	0.0
March 27	51	32	0.00	0.0
March 28	48	25	0.00	0.1
March 29	47	26	0.01	0.0
March 30	57	7	0.11	2.0
March 31	16	2	0.10	1.7

April 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	31	1	0.00	0.0
April 2	19	0	0.13	3.8
April 3	39	-1	0.00	0.0
April 4	50	21	0.00	0.0
April 5	22	13	0.26	2.5
April 6	20	8	0.14	3.5
April 7	27	6	0.08	0.7
April 8	33	14	0.00	0.0
April 9	56	22	0.00	0.0
April 10	58	29	0.00	0.0
April 11	58	37	0.00	0.0
April 12	41	28	0.72	8.3
April 13	45	25	0.06	1.4
April 14	57	34	0.00	0.0
April 15	59	35	0.00	0.0
April 16	47	33	0.08	0.0
April 17	53	30	0.00	0.0
April 18	52	28	0.00	0.0
April 19	61	27	0.00	0.0
April 20	65	29	0.00	0.0
April 21	66	33	0.00	0.0
April 22	59	33	0.00	0.0
April 23	51	27	0.00	0.0
April 24	65	27	0.00	0.0
April 25	64	35	0.00	0.0
April 26	73	32	0.00	0.0
April 27	77	33	0.00	0.0
April 28	84	43	0.00	0.0
April 29	64	39	0.01	0.0
April 30	54	34	0.00	0.0

May 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	54	34	0.00
May 2	64	31	0.00
May 3	72	41	0.00
May 4	73	45	0.00
May 5	72	48	0.00
May 6	79	41	0.00
May 7	65	50	0.02
May 8	76	43	0.00
May 9	72	42	0.06
May 10	65	45	0.20
May 11	45	39	1.40
May 12	58	38	0.00
May 13	69	35	0.00
May 14	74	43	0.00
May 15	82	51	0.00
May 16	80	49	0.00
May 17	60	46	0.20
May 18	47	44	0.67
May 19	54	44	0.03
May 20	77	47	0.00
May 21	74	47	0.03
May 22	70	56	0.01
May 23	68	49	0.00
May 24	75	51	0.00
May 25	81	52	0.03
May 26	76	54	0.00
May 27	78	51	0.00
May 28	81	52	0.00
May 29	74	54	0.00
May 30	75	48	0.00
May 31	61	49	0.87

June 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	61	48	0.07
June 2	73	45	0.00
June 3	81	43	0.00
June 4	81	57	0.00
June 5	72	51	0.00
June 6	81	45	0.00
June 7	80	52	0.00
June 8	81	57	0.00
June 9	92	57	0.00
June 10	61	45	0.07
June 11	60	41	0.00
June 12	71	46	0.00
June 13	84	53	0.00
June 14	70	42	0.09
June 15	69	41	0.00
June 16	54	49	0.75
June 17	62	51	0.00
June 18	56	54	0.74
June 19	58	54	0.60
June 20	75	54	0.00
June 21	77	57	0.08
June 22	78	58	0.00
June 23	70	51	0.19
June 24	75	56	0.55
June 25	85	61	0.05
June 26	73	50	0.00
June 27	80	44	0.00
June 28	75	49	0.04
June 29	68	52	0.07
June 30	73	48	0.00

July 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	73	53	0.00
July 2	70	47	0.00
July 3	60	41	0.05
July 4	71	40	0.00
July 5	84	46	0.00
July 6	96	58	0.00
July 7	87	62	0.00
July 8	84	50	0.00
July 9	93	55	0.00
July 10	94	56	0.00
July 11	81	49	0.00
July 12	86	52	0.00
July 13	94	54	0.00
July 14	70	52	0.00
July 15	86	46	0.00
July 16	92	53	0.00
July 17	87	60	0.00
July 18	93	63	0.00
July 19	88	57	0.00
July 20	93	53	0.00
July 21	92	52	0.00
July 22	79	47	0.00
July 23	88	47	0.00
July 24	82	50	0.00
July 25	80	50	0.04
July 26	74	53	0.03
July 27	74	50	0.00
July 28	78	50	0.00
July 29	84	48	0.00
July 30	91	54	0.00
July 31	86	57	0.00

August 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	96	56	0.00
August 2	93	60	0.00
August 3	86	52	0.00
August 4	79	51	0.00
August 5	77	47	0.00
August 6	86	51	0.00
August 7	89	56	0.00
August 8	93	54	0.00
August 9	98	55	0.00
August 10	102	57	0.00
August 11	99	58	0.00
August 12	89	56	0.00
August 13	72	49	0.00
August 14	85	47	0.00
August 15	93	48	0.00
August 16	93	54	0.00
August 17	92	53	0.00
August 18	80	57	0.00
August 19	77	44	0.00
August 20	60	48	0.18
August 21	68	38	0.00
August 22	82	52	0.00
August 23	88	59	0.00
August 24	82	49	0.00
August 25	78	41	0.00
August 26	72	50	0.00
August 27	54	39	0.49
August 28	71	36	0.00
August 29	81	47	0.00
August 30	77	48	0.00
August 31	77	47	0.00

September 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
September 1	72	46	0.00	0.0
September 2	78	39	0.00	0.0
September 3	83	41	0.00	0.0
September 4	65	37	0.00	0.0
September 5	77	37	0.00	0.0
September 6	83	44	0.00	0.0
September 7	91	51	0.00	0.0
September 8	85	58	0.00	0.0
September 9	77	50	0.00	0.0
September 10	85	46	0.00	0.0
September 11	72	46	0.00	0.0
September 12	67	43	0.00	0.0
September 13	66	41	0.18	0.0
September 14	63	31	0.00	0.0
September 15	64	41	0.40	0.0
September 16	68	46	0.03	0.0
September 17	70	39	0.00	0.0
September 18	60	36	0.00	0.0
September 19	50	43	0.03	0.0
September 20	60	42	0.16	0.0
September 21	74	41	0.00	0.0
September 22	68	47	0.00	0.0
September 23	67	41	0.01	0.0
September 24	52	38	0.03	0.0
September 25	63	37	0.05	0.0
September 26	71	39	0.00	0.0
September 27	53	37	0.26	0.0
September 28	47	37	0.01	0.0
September 29	40	31	0.22	0.0
September 30	36	30	0.06	0.1

October 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
October 1	67	28	0.00	0.0
October 2	43	35	0.20	0.0
October 3	42	26	0.05	0.3
October 4	40	23	0.06	0.0
October 5	55	33	0.00	0.0
October 6	55	35	0.00	0.0
October 7	56	31	0.00	0.0
October 8	52	30	0.07	0.3
October 9	45	31	0.03	0.0
October 10	41	32	0.01	0.0
October 11	47	31	0.00	0.0
October 12	62	32	0.06	0.0
October 13	32	27	0.22	1.6
October 14	46	24	0.00	0.0
October 15	57	37	0.00	0.0
October 16	64	36	0.00	0.0
October 17	69	32	0.00	0.0
October 18	72	40	0.00	0.0
October 19	65	35	0.00	0.0
October 20	74	33	0.00	0.0
October 21	66	27	0.00	0.0
October 22	59	26	0.00	0.0
October 23	65	30	0.00	0.0
October 24	67	40	0.00	0.0
October 25	62	37	0.00	0.0
October 26	62	48	0.00	0.0
October 27	62	33	0.00	0.0
October 28	64	36	0.00	0.0
October 29	52	31	0.00	0.0
October 30	53	30	0.00	0.0
October 31	46	29	0.00	0.0

November 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	46	34	0.00	0.0
November 2	58	37	0.04	0.0
November 3	50	37	0.03	0.0
November 4	56	36	0.00	0.0
November 5	38	25	0.03	0.3
November 6	25	17	0.07	1.3
November 7	20	5	0.11	1.6
November 8	35	5	0.00	0.0
November 9	39	5	0.00	0.0
November 10	35	17	0.17	1.9
November 11	29	11	0.04	0.7
November 12	35	12	0.00	0.0
November 13	49	29	0.00	0.0
November 14	55	39	0.00	0.0
November 15	53	33	0.00	0.0
November 16	47	5	0.16	4.2
November 17	27	-1	0.00	0.0
November 18	41	23	0.00	0.0
November 19	47	24	0.00	0.0
November 20	56	37	0.00	0.0
November 21	58	36	0.00	0.0
November 22	53	32	0.00	0.0
November 23	49	26	0.00	0.0
November 24	30	20	0.00	0.1
November 25	41	23	0.00	0.0
November 26	47	29	0.00	0.0
November 27	51	44	0.00	0.0
November 28	50	27	0.00	0.0
November 29	47	22	0.00	0.0
November 30	40	17	0.00	0.0

December 2018 Great Falls Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	32	25	0.18	2.7
December 2	29	14	0.00	0.0
December 3	31	8	0.00	0.0
December 4	34	17	0.00	0.0
December 5	27	2	0.01	0.3
December 6	28	2	0.00	0.0
December 7	38	10	0.00	0.0
December 8	40	20	0.00	0.0
December 9	43	19	0.00	0.0
December 10	45	27	0.00	0.0
December 11	44	27	0.00	0.0
December 12	43	27	0.00	0.0
December 13	43	30	0.00	0.0
December 14	53	41	0.00	0.0
December 15	48	24	0.00	0.0
December 16	56	27	0.00	0.0
December 17	53	36	0.00	0.0
December 18	51	37	0.00	0.0
December 19	45	31	0.00	0.0
December 20	50	31	0.00	0.0
December 21	47	20	0.00	0.0
December 22	35	15	0.00	0.0
December 23	44	26	0.00	0.0
December 24	38	21	0.00	0.0
December 25	26	17	0.02	0.6
December 26	30	13	0.00	0.0
December 27	22	12	0.01	0.2
December 28	30	10	0.00	0.0
December 29	44	26	0.02	0.2
December 30	43	5	0.09	1.0
December 31	11	1	0.00	0.1

Next Year >

Weather Station Details

Years	Station	Coordinates
1937–2024	Great Falls International Airport	location
1892–1937	Great Falls 16th Street	location