As of 10:56 MDT

Weather in Lewistown, MT

48°

Lewistown, Tuesday, 20 October, 10:56

Mostly clear. Feels like 47°. High 60°, low 36°.

Pressure30.15 inHg

Wind4.2 mph NW

Humidity57%

Visibility6.2 mi

Dew point34°

Tue, 20October

60°/36°

Wed, 21October

67°/37°

Thu, 22October

71°/46°

Fri, 23October

50°/35°

Sat, 24October

48°/25°

Sun, 25October

40°/30°

Mon, 26October

35°/23°

	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°	40°	39°	38°	42°	46°	49°	54°	60°	53°	45°	41°
Feels like	51°	36°	37°	38°	41°	44°	48°	52°	58°	51°	45°	37°
Pressure, inHg	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.12	30.12	30.12	30.15	30.18
Wind, mph	3.7	3.7	3.7	3.7	3.7	3.7	2.1	1.9	1.8	1.1	1.2	3.2
Humidity, %	55%	55%	55%	55%	55%	55%	56%	51%	45%	64%	75%	80%
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

	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	40°	39°	39°	37°	38°	49°	60°	66°	67°	60°	53°	49°
Feels like	34°	35°	35°	33°	36°	49°	58°	64°	65°	58°	50°	48°
Pressure, inHg	30.15	30.15	30.12	30.09	30.06	30.06	30.00	29.94	29.91	29.91	29.91	29.91
Wind, mph	3.7	2.5	2.2	2	1.4	1.1	1	3	3.7	3.4	2.1	1.6
Humidity, %	70%	69%	76%	82%	84%	60%	37%	36%	35%	46%	61%	68%
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°	49°	48°	49°	49°	59°	68°	71°	71°	61°	54°	51°
Feels like	46°	49°	48°	49°	49°	58°	67°	70°	69°	60°	52°	49°
Pressure, inHg	29.91	29.88	29.88	29.88	29.88	29.88	29.85	29.80	29.77	29.74	29.74	29.74
Wind, mph	1.2	0.8	0.5	0.6	0.7	0.4	1.7	2.4	2.2	1.4	2.9	1.9
Humidity, %	65%	66%	67%	65%	64%	54%	40%	34%	35%	53%	71%	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	49°	50°	49°	47°	45°	47°	41°	36°	36°	36°	37°	35°
Feels like	49°	50°	49°	47°	44°	43°	34°	28°	27°	29°	29°	29°
Pressure, inHg	29.74	29.74	29.74	29.77	29.80	29.88	30.00	30.12	30.18	30.27	30.33	30.39
Wind, mph	1	0.4	0.2	0.6	1.4	5	6	5.3	5.4	4.9	4.5	3.8
Humidity, %	80%	74%	80%	86%	94%	97%	98%	100%	99%	98%	94%	93%
Precipitation	0 in	0 in	0 in	0 in	0.02 in	0.03 in	0.06 in	0.11 in	0.06 in	0.04 in	0.01 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	4.1 mi	1.7 mi	1.6 mi	0.2 mi	1.5 mi	2.6 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°	29°	27°	25°	28°	34°	41°	43°	42°	41°	39°	37°
Feels like	27°	25°	27°	25°	23°	29°	39°	41°	41°	41°	39°	37°
Pressure, inHg	30.45	30.47	30.50	30.50	30.50	30.45	30.39	30.39	30.39	30.39	30.39	30.39
Wind, mph	2.9	1.6	0.8	0.9	1.7	2	2.9	2.9	2.9	2.9	2.9	2.9
Humidity, %	93%	96%	97%	97%	96%	83%	57%	57%	57%	57%	57%	57%
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	—	—	—	—	—	—

	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°	31°	30°	30°	33°	35°	38°	38°	37°	36°	35°	33°
Feels like	39°	26°	28°	30°	32°	34°	36°	35°	33°	30°	29°	27°
Pressure, inHg	30.42	30.42	30.42	30.42	30.42	30.42	30.42	30.42	30.42	30.42	30.42	30.42
Wind, mph	3.2	3.2	3.2	3.2	3.2	3.2	3.2	3.2	3.2	3.2	3.2	3.2
Humidity, %	73%	73%	73%	73%	73%	73%	73%	73%	73%	73%	73%	73%
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	32°	23°	23°	23°	26°	28°	31°	31°	30°	29°	27°	26°
Feels like	32°	15°	16°	17°	19°	22°	25°	26°	26°	25°	23°	20°
Pressure, inHg	30.65	30.65	30.65	30.65	30.65	30.65	30.65	30.65	30.65	30.65	30.65	30.65
Wind, mph	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1	3.1
Humidity, %	67%	67%	67%	67%	67%	67%	67%	67%	67%	67%	67%	67%
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 39 min

Sunrise — 07:42

Sunset — 18:21

Sunrise and sunset in local time

Waxing gibbous, 70%

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)