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Yellowstone National Park October Weather

Averages and records for weather in Yellowstone National Park, Wyoming in the month of October.

Typical Yellowstone National Park October Weather 1991–2020
Average daily high	49.9 °F
Average daily low	22.8 °F
Average monthly precipitation	2.2 inches
Average monthly snow	9.0 inches
Daily chance of precipitation	32.4%
Daily chance of snow	13.5%

Yellowstone National Park October Weather Records 1904–2024
Highest temperature	79 °F	October 4, 2010
Lowest temperature	-27 °F	October 30, 2019
Highest daily low	45 °F	October 3, 2018
Lowest daily high	12 °F	October 29, 2019
Hottest average high temperature	61.7 °F	1907
Coldest average high temperature	40.6 °F	2019
Most daily precipitation	2.7 inches	October 15, 1908
Most monthly precipitation	8.2 inches	2016
Most daily snow	13.0 inches	October 24, 1997
Most monthly snow	28.0 inches	2019

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°F)		Record (°F)
Day	High	Low	High	Low
October 1	57.2	26.0	75	14
October 2	56.8	25.8	75	10
October 3	56.4	25.5	78	11
October 4	56.0	25.3	79	10
October 5	55.7	25.0	71	5
October 6	55.3	25.0	70	6
October 7	55.0	24.8	74	1
October 8	54.6	24.5	70	3
October 9	54.1	24.3	71	8
October 10	53.6	24.0	73	-11
October 11	53.1	23.7	79	-13
October 12	52.5	23.4	74	-5
October 13	51.9	23.1	69	-2
October 14	51.2	22.8	70	7
October 15	50.5	22.4	65	5
October 16	49.7	22.1	70	7
October 17	49.1	21.8	70	3
October 18	48.5	21.4	71	5
October 19	48.0	21.0	73	7
October 20	47.6	20.7	72	2
October 21	47.1	20.4	66	-2
October 22	46.7	20.1	71	-8
October 23	46.1	19.8	72	-7
October 24	45.8	19.5	66	-11
October 25	45.4	19.3	65	-11
October 26	44.9	19.0	66	-23
October 27	44.6	18.7	65	-19
October 28	44.1	18.3	69	-26
October 29	43.6	17.7	69	-12
October 30	43.1	17.4	64	-27
October 31	42.5	16.9	65	-16

Weather Station Details

Years	Station	Coordinates
1904–2024	Old Faithful	location