As of 15:59 MDT

Weather in Lewistown, MT

46°

Lewistown, Tuesday, 13 October, 15:59

Clear. Feels like 46°. High 47°, low 27°.

Pressure30.12 inHg

Wind1 mph N

Humidity60%

Visibility6.2 mi

Dew point33°

Tue, 13October

47°/27°

Wed, 14October

54°/28°

Thu, 15October

49°/35°

Fri, 16October

67°/30°

Sat, 17October

70°/48°

Sun, 18October

61°/42°

Mon, 19October

70°/40°

	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°	31°	29°	27°	32°	37°	43°	45°	46°	45°	38°	32°
Feels like	45°	31°	29°	27°	32°	37°	43°	45°	45°	45°	38°	32°
Pressure, inHg	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.12	30.12	30.18	30.21
Wind, mph	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.4	0.2	0.2	0.4
Humidity, %	68%	68%	68%	68%	68%	68%	68%	68%	60%	64%	80%	94%
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

	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	32°	29°	29°	28°	30°	42°	49°	53°	54°	49°	42°	39°
Feels like	32°	26°	29°	28°	30°	42°	49°	50°	51°	48°	40°	39°
Pressure, inHg	30.21	30.18	30.15	30.12	30.09	30.09	30.06	30.03	30.03	30.09	30.15	30.24
Wind, mph	0.8	1.4	1.2	1.3	1.3	0.3	0.8	1.1	2	1.6	1.7	1.3
Humidity, %	94%	94%	94%	93%	91%	65%	52%	43%	43%	61%	69%	77%
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	38°	36°	37°	36°	37°	40°	44°	48°	49°	44°	36°	35°
Feels like	38°	36°	33°	32°	31°	36°	41°	45°	47°	44°	33°	30°
Pressure, inHg	30.33	30.39	30.50	30.59	30.68	30.74	30.71	30.68	30.65	30.65	30.68	30.68
Wind, mph	0.9	0.7	2.2	2	3.7	2.9	3.1	2.5	2.1	0.9	1.5	2.8
Humidity, %	80%	83%	82%	90%	79%	68%	58%	51%	49%	62%	81%	84%
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	33°	30°	30°	34°	39°	54°	63°	67°	66°	57°	51°	49°
Feels like	27°	24°	27°	34°	37°	51°	61°	64°	64°	55°	48°	48°
Pressure, inHg	30.68	30.62	30.56	30.47	30.42	30.36	30.30	30.24	30.18	30.18	30.15	30.12
Wind, mph	3	2.5	1.6	1.2	1.6	1.9	3.5	4.4	3.8	3	2.6	2.3
Humidity, %	89%	94%	94%	83%	68%	41%	30%	26%	27%	38%	46%	47%
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°	49°	49°	48°	51°	57°	68°	70°	65°	62°	59°	55°
Feels like	48°	49°	49°	48°	47°	54°	66°	68°	62°	59°	56°	53°
Pressure, inHg	30.06	30.03	30.00	30.00	29.97	29.94	29.88	29.83	29.88	29.88	29.88	29.88
Wind, mph	1.9	1.3	0.9	0.7	1.3	2.6	4.8	5.2	5.4	5.4	5.4	5.4
Humidity, %	47%	47%	47%	47%	45%	38%	25%	24%	25%	25%	25%	25%
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	—	—	—	—

	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°	45°	44°	42°	46°	51°	55°	56°	56°	55°	53°	50°
Feels like	57°	45°	44°	42°	46°	49°	53°	54°	53°	53°	51°	49°
Pressure, inHg	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94	29.94
Wind, mph	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5	1.5
Humidity, %	45%	45%	45%	45%	45%	45%	45%	45%	45%	45%	45%	45%
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	—	—	—	—	—	—	—	—	—	—	—	—

	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	68°	53°	47°	41°	48°	56°	64°	67°	64°	62°	60°	59°
Feels like	68°	50°	44°	38°	46°	54°	62°	64°	62°	60°	58°	56°
Pressure, inHg	29.80	29.80	29.80	29.80	29.80	29.80	29.80	29.80	29.80	29.80	29.80	29.80
Wind, mph	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9	5.9
Humidity, %	33%	33%	33%	33%	33%	33%	33%	33%	33%	33%	33%	33%
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	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 2 min

Sunrise — 07:32

Sunset — 18:34

Sunrise and sunset in local time

Waxing crescent, 7%

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)