As of 21:51 MDT

Weather in Potomac, MT

50°

Potomac, Tuesday, 6 October, 21:51

Overcast. Feels like 48°. High 75°, low 40°.

Pressure30.09 inHg

Wind1.3 mph NW

Humidity55%

Visibility6.2 mi

Dew point36°

Tue, 06October

75°/40°

Wed, 07October

78°/40°

Thu, 08October

70°/40°

Fri, 09October

68°/41°

Sat, 10October

49°/36°

Sun, 11October

35°/29°

Mon, 12October

47°/25°

	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	69°	49°	44°	40°	49°	57°	65°	67°	63°	59°	56°	51°
Feels like	69°	47°	43°	40°	48°	56°	64°	65°	61°	56°	53°	49°
Pressure, inHg	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.15	30.09
Wind, mph	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	3.7	0.6
Humidity, %	31%	31%	31%	31%	31%	31%	31%	31%	31%	31%	31%	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

	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	50°	46°	42°	42°	40°	51°	65°	75°	77°	66°	54°	49°
Feels like	50°	46°	42°	42°	40°	49°	63°	73°	76°	63°	52°	49°
Pressure, inHg	30.09	30.12	30.12	30.15	30.15	30.15	30.12	30.03	29.97	29.97	30.00	30.03
Wind, mph	0.5	0.3	0.4	0.3	0.3	0.5	1.2	1.9	3.2	1.6	0.7	0.7
Humidity, %	54%	55%	56%	59%	62%	52%	39%	24%	20%	30%	43%	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	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°	42°	41°	40°	40°	51°	64°	68°	70°	65°	56°	51°
Feels like	45°	42°	41°	40°	40°	48°	62°	65°	68°	63°	54°	48°
Pressure, inHg	30.03	30.06	30.09	30.09	30.09	30.12	30.06	29.97	29.88	29.88	29.88	29.85
Wind, mph	0.6	0.7	0.5	0.6	0.5	0.7	1.2	2.2	3.3	1.4	0.7	0.9
Humidity, %	51%	55%	59%	63%	65%	50%	36%	24%	22%	35%	46%	50%
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°	46°	44°	42°	41°	50°	61°	67°	68°	64°	57°	53°
Feels like	48°	46°	44°	42°	41°	47°	59°	65°	66°	62°	54°	50°
Pressure, inHg	29.85	29.85	29.83	29.80	29.80	29.77	29.68	29.59	29.53	29.50	29.50	29.53
Wind, mph	0.8	0.7	0.7	0.7	0.6	0.7	1.2	2.7	3.7	2.8	3.1	3.1
Humidity, %	54%	60%	66%	68%	67%	51%	35%	29%	27%	28%	35%	40%
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°	45°	44°	43°	42°	43°	46°	46°	45°	44°	39°	40°
Feels like	47°	43°	41°	40°	40°	41°	45°	44°	43°	40°	34°	36°
Pressure, inHg	29.59	29.62	29.62	29.65	29.68	29.71	29.71	29.74	29.74	29.77	29.88	29.71
Wind, mph	2.1	2.1	2.5	2	1.6	1.5	1.4	1.5	1.9	3.3	2.7	3.3
Humidity, %	47%	62%	74%	79%	90%	86%	69%	70%	71%	69%	85%	69%
Precipitation	0 in	0 in	0 in	0.01 in	0.01 in	0 in	0 in	0.01 in	0 in	0 in	0.01 in	0.01 in
Visibility	6.2 mi	6.2 mi	6.2 mi	3.7 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	5.6 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°	30°	30°	31°	31°	32°	32°	32°	33°	32°	31°
Feels like	32°	23°	23°	23°	23°	24°	24°	24°	25°	25°	25°	24°
Pressure, inHg	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18	30.18
Wind, mph	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4	4.4
Humidity, %	83%	83%	83%	83%	83%	83%	83%	83%	83%	83%	83%	83%
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	37°	32°	29°	26°	29°	32°	36°	39°	42°	45°	44°	40°
Feels like	37°	31°	26°	20°	25°	29°	33°	37°	41°	44°	44°	40°
Pressure, inHg	30.21	30.21	30.21	30.21	30.21	30.21	30.21	30.21	30.21	30.21	30.21	30.21
Wind, mph	2	2	2	2	2	2	2	2	2	2	2	2
Humidity, %	71%	71%	71%	71%	71%	71%	71%	71%	71%	71%	71%	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	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 25 min

Sunrise — 07:39

Sunset — 19:04

Sunrise and sunset in local time

Waning crescent, 19%

Sunrise — —

Sunset — —

Potomac, MT climate by month

The annual average temperature in Potomac, MT is 44.2°. The warmest month is July (average high 81.7°), and the coldest is December (average low 14.6°). About 21.6 inches of precipitation fall per year, most of it in May (2.5 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	30.1°	14.7°	2.1 in	12	53.8° (2024)	-38° (1963)
February	35°	17.7°	1.7 in	10	57.7° (2020)	-33.7° (1989)
March	42.9°	24.9°	1.8 in	12	67.5° (2022)	-18° (2019)
April	51.2°	31.4°	1.9 in	12	80.4° (1987)	6.6° (2002)
May	62.5°	40.1°	2.5 in	13	90° (2025)	21.7° (1997)
June	71.2°	48.3°	2.3 in	11	98.8° (2015)	26.8° (2001)
July	81.7°	55.9°	1.0 in	6	100.6° (2007)	37.2° (2020)
August	81°	55.2°	1.2 in	6	100.9° (2018)	36.5° (1992)
September	70.3°	46.4°	1.4 in	7	99° (2022)	21° (1983)
October	55.5°	35.9°	1.6 in	9	84.4° (1992)	-9.6° (2020)
November	39.8°	25°	1.9 in	11	64.6° (2020)	-19.8° (1970)
December	29.8°	14.6°	2.1 in	12	59.5° (2021)	-39.1° (1983)