As of 14:54 MDT

Weather in Lewistown, MT

45°

Lewistown, Thursday, 15 October, 14:54

Clear. Feels like 45°. High 46°, low 33°.

Pressure30.68 inHg

Wind2 mph N

Humidity58%

Visibility6.2 mi

Dew point31°

Thu, 15October

46°/33°

Fri, 16October

65°/32°

Sat, 17October

71°/46°

Sun, 18October

59°/39°

Mon, 19October

69°/38°

Tue, 20October

67°/45°

Wed, 21October

67°/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°	33°	34°	35°	38°	41°	44°	45°	45°	44°	37°	35°
Feels like	45°	28°	28°	27°	31°	34°	38°	40°	41°	44°	35°	31°
Pressure, inHg	30.68	30.68	30.68	30.68	30.68	30.68	30.68	30.68	30.68	30.71	30.74	30.74
Wind, mph	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.2	3.7	0.7	1.4	2
Humidity, %	57%	57%	57%	57%	57%	57%	57%	57%	57%	63%	86%	91%
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°	32°	32°	33°	37°	48°	58°	63°	65°	57°	49°	48°
Feels like	26°	27°	29°	30°	35°	47°	55°	60°	63°	54°	47°	48°
Pressure, inHg	30.68	30.65	30.59	30.50	30.45	30.39	30.33	30.27	30.21	30.18	30.18	30.15
Wind, mph	2.5	2.1	1.7	1.5	1.3	1.5	2.5	3.3	3.2	2.8	2.3	1.1
Humidity, %	92%	91%	89%	83%	67%	43%	31%	26%	28%	38%	47%	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	48°	47°	48°	49°	49°	61°	70°	71°	69°	59°	51°	47°
Feels like	48°	47°	48°	49°	47°	59°	67°	69°	67°	57°	48°	46°
Pressure, inHg	30.12	30.06	30.03	30.00	29.97	29.97	29.91	29.88	29.85	29.88	29.91	29.97
Wind, mph	1.3	1.1	1.1	0.8	2.1	2.6	3.8	3.6	3.9	3	2.1	1.6
Humidity, %	47%	47%	45%	44%	45%	32%	24%	22%	25%	36%	48%	55%
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	46°	43°	42°	40°	39°	49°	54°	58°	60°	54°	44°	40°
Feels like	43°	41°	42°	40°	37°	46°	51°	56°	57°	51°	42°	37°
Pressure, inHg	30.03	30.09	30.12	30.12	30.15	30.15	30.09	30.03	29.97	29.97	30.00	30.00
Wind, mph	2.3	1.5	0.5	0.7	1.4	2.9	4.3	1.6	0.5	0.2	1.7	1.9
Humidity, %	58%	71%	71%	76%	78%	58%	42%	36%	37%	54%	70%	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	39°	38°	38°	40°	43°	51°	64°	67°	62°	60°	57°	52°
Feels like	36°	38°	38°	40°	42°	48°	61°	65°	59°	58°	55°	50°
Pressure, inHg	29.97	29.94	29.94	29.91	29.91	29.88	29.85	29.80	29.85	29.85	29.85	29.85
Wind, mph	1.8	1.3	1.1	1.1	1.3	1	0.7	1.8	2.4	2.4	2.4	2.4
Humidity, %	77%	78%	77%	73%	68%	55%	37%	31%	37%	37%	37%	37%
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	61°	47°	47°	47°	51°	55°	59°	60°	59°	57°	55°	52°
Feels like	61°	47°	47°	47°	51°	54°	57°	58°	57°	55°	54°	51°
Pressure, inHg	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88	29.88
Wind, mph	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6	1.6
Humidity, %	44%	44%	44%	44%	44%	44%	44%	44%	44%	44%	44%	44%
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	60°	49°	45°	40°	46°	51°	57°	60°	59°	58°	57°	55°
Feels like	60°	47°	44°	40°	45°	50°	55°	57°	56°	56°	54°	52°
Pressure, inHg	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85
Wind, mph	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5
Humidity, %	41%	41%	41%	41%	41%	41%	41%	41%	41%	41%	41%	41%
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 — 10 h 56 min

Sunrise — 07:35

Sunset — 18:31

Sunrise and sunset in local time

Waxing crescent, 21%

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)