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Portage October Weather

Averages and records for weather in Portage, Indiana in the month of October.

Typical Portage October Weather 1991–2020
Average daily high	62.4 °F
Average daily low	44.8 °F
Average monthly precipitation	3.7 inches
Average monthly snow	none
Daily chance of precipitation	37.0%
Daily chance of snow	0%

Portage October Weather Records 1893–2024
Highest temperature	98 °F	October 15, 1897
Lowest temperature	15 °F	October 31, 1917
Highest daily low	73 °F	October 10, 1904
Lowest daily high	27 °F	October 29, 1925
Hottest average high temperature	74.4 °F	1971
Coldest average high temperature	51.6 °F	1925
Most daily precipitation	6.6 inches	October 10, 1954
Most monthly precipitation	14.0 inches	1954
Most daily snow	3.6 inches	October 10, 1925
Most monthly snow	6.6 inches	1925

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	68.6	50.0	92	30
October 2	68.2	49.6	91	32
October 3	67.6	49.2	89	30
October 4	67.2	48.8	90	31
October 5	66.7	48.3	90	31
October 6	66.2	47.9	91	30
October 7	65.8	47.5	87	30
October 8	65.4	47.2	88	29
October 9	65.0	46.8	88	27
October 10	64.7	46.6	87	26
October 11	64.2	46.2	87	29
October 12	63.9	45.9	86	27
October 13	63.5	45.6	88	26
October 14	63.0	45.3	88	28
October 15	62.7	45.0	98	28
October 16	62.2	44.7	86	28
October 17	61.8	44.4	85	28
October 18	61.4	44.1	85	23
October 19	61.0	43.7	87	24
October 20	60.6	43.4	82	21
October 21	60.2	43.1	84	23
October 22	59.7	42.7	86	20
October 23	59.3	42.5	85	23
October 24	58.7	42.1	83	23
October 25	58.1	41.7	82	26
October 26	57.7	41.4	84	21
October 27	57.3	41.1	82	21
October 28	56.8	40.8	82	19
October 29	56.4	40.4	81	17
October 30	55.9	39.9	82	19
October 31	55.4	39.6	82	15

Weather Station Details

Years	Station	Coordinates
1989–2024	Indiana Dunes National Lakeshore	location
1952–1989	Ogden Dunes	location
1893–1951	Valparaiso Water Works	location