As of 19:32 MDT

Weather in Lewistown, MT

53°

Lewistown, Sunday, 18 October, 19:32

Clear. Feels like 50°. High 59°, low 37°.

Pressure30.06 inHg

Wind2 mph NW

Humidity44%

Visibility6.2 mi

Dew point32°

Sun, 18October

59°/37°

Mon, 19October

68°/38°

Tue, 20October

58°/40°

Wed, 21October

68°/37°

Thu, 22October

72°/45°

Fri, 23October

53°/44°

Sat, 24October

45°/35°

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	57°	47°	42°	37°	43°	49°	54°	56°	55°	53°	53°	51°
Feels like	57°	44°	41°	37°	42°	47°	51°	53°	52°	50°	50°	48°
Pressure, inHg	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.06	30.06
Wind, mph	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	5.1	4
Humidity, %	34%	34%	34%	34%	34%	34%	34%	34%	34%	34%	44%	48%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	46°	42°	39°	38°	39°	53°	64°	68°	68°	61°	52°	49°
Feels like	43°	39°	36°	35°	37°	51°	62°	66°	66°	59°	50°	47°
Pressure, inHg	30.06	30.03	30.00	29.97	29.94	29.94	29.88	29.85	29.85	29.85	29.88	29.88
Wind, mph	2.6	2.3	2	1.9	1.7	1.4	2.8	4	1.5	0.5	2.1	1.7
Humidity, %	59%	76%	81%	81%	78%	51%	33%	26%	28%	45%	61%	71%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	45°	44°	44°	43°	40°	49°	56°	58°	58°	51°	45°	43°
Feels like	44°	44°	44°	43°	40°	49°	55°	55°	56°	50°	45°	39°
Pressure, inHg	29.91	29.91	29.91	29.97	30.06	30.12	30.12	30.09	30.09	30.12	30.18	30.18
Wind, mph	1.3	1.3	0.9	0.4	0.7	1	1.7	1.8	2.5	1.8	0.9	2.9
Humidity, %	72%	67%	62%	64%	76%	66%	59%	53%	52%	69%	84%	87%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	42°	40°	39°	38°	37°	49°	62°	67°	68°	61°	55°	51°
Feels like	37°	37°	36°	34°	34°	47°	60°	65°	66°	59°	53°	49°
Pressure, inHg	30.18	30.18	30.15	30.12	30.09	30.06	30.03	29.97	29.91	29.91	29.94	29.94
Wind, mph	3	2.3	2.1	2.4	2	2	0.5	2.1	3.6	3.5	2.6	1.7
Humidity, %	87%	88%	91%	94%	95%	77%	44%	41%	39%	50%	61%	69%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	49°	48°	47°	45°	46°	54°	68°	71°	68°	61°	60°	57°
Feels like	49°	48°	47°	45°	45°	52°	66°	69°	67°	60°	58°	56°
Pressure, inHg	29.94	29.94	29.91	29.91	29.91	29.88	29.85	29.80	29.77	29.74	29.85	29.85
Wind, mph	1.1	1	1.1	1	1.4	1.5	1.3	1.1	1.3	1.7	2	2
Humidity, %	71%	71%	74%	77%	77%	64%	39%	36%	43%	59%	39%	39%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	51°	45°	46°	46°	48°	49°	51°	51°	50°	49°	48°	46°
Feels like	51°	40°	43°	46°	47°	49°	50°	49°	47°	44°	42°	40°
Pressure, inHg	29.62	29.62	29.62	29.62	29.62	29.62	29.62	29.62	29.62	29.62	29.62	29.62
Wind, mph	6.8	6.8	6.8	6.8	6.8	6.8	6.8	6.8	6.8	6.8	6.8	6.8
Humidity, %	93%	93%	93%	93%	93%	93%	93%	93%	93%	93%	93%	93%
Precipitation	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in	0.02 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	45°	37°	39°	42°	43°	44°	44°	44°	42°	40°	39°	37°
Feels like	45°	33°	34°	36°	37°	38°	40°	40°	38°	36°	35°	34°
Pressure, inHg	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15
Wind, mph	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5
Humidity, %	56%	56%	56%	56%	56%	56%	56%	56%	56%	56%	56%	56%
Precipitation	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 10 h 45 min

Sunrise — 07:40

Sunset — 18:25

Sunrise and sunset in local time

First quarter, 53%

Sunrise — —

Sunset — —

Lewistown, MT climate by month

The annual average temperature in Lewistown, MT is 44°. The warmest month is July (average high 79.5°), and the coldest is January (average low 13.7°). About 22.5 inches of precipitation fall per year, most of it in May (3.6 in). Figures are 60-year climate normals and records from 66 years of observations.

Month	High	Low	Precipitation	Wet days	Record high	Record low
January	31.2°	13.7°	1.2 in	8	62.2° (2024)	-39.5° (1996)
February	34°	15.9°	1.0 in	7	65.1° (1992)	-39.8° (1996)
March	42.4°	23.2°	1.5 in	9	71.6° (2025)	-30.8° (1960)
April	51°	30.9°	2.6 in	12	80.2° (1980)	-6.9° (2002)
May	61°	40.4°	3.6 in	14	86.4° (1980)	4.3° (1967)
June	70°	49.1°	3.1 in	13	97.9° (2021)	27.1° (1969)
July	79.5°	56.1°	1.7 in	8	100° (2007)	36.3° (1972)
August	78.9°	55.6°	1.7 in	7	99.5° (2018)	31.6° (1992)
September	68.8°	47.1°	1.8 in	7	98.6° (2022)	10° (1965)
October	55.4°	36.1°	1.7 in	8	87.4° (2011)	-16.4° (1991)
November	41.7°	24.9°	1.2 in	7	70° (1999)	-27° (1985)
December	32.4°	16.1°	1.3 in	8	62.6° (2021)	-47.2° (1983)