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Riverside October Weather

Averages and records for weather in Riverside, California in the month of October.

Typical Riverside October Weather 1991–2020
Average daily high	83.4 °F
Average daily low	55.1 °F
Average monthly precipitation	0.3 inches
Daily chance of precipitation	7.1%

Riverside October Weather Records 1893–2024
Highest temperature	109 °F	October 1, 1980
Lowest temperature	30 °F	October 30, 1971
Highest daily low	73 °F	October 13, 2015
Lowest daily high	53 °F	October 22, 1941
Hottest average high temperature	91.2 °F	1915
Coldest average high temperature	73.4 °F	1916
Most daily precipitation	2.3 inches	October 31, 1927
Most monthly precipitation	3.7 inches	1936

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	88.2	58.2	109	39
October 2	88.0	58.1	108	39
October 3	87.8	57.9	108	40
October 4	87.5	57.8	108	40
October 5	87.3	57.6	104	38
October 6	87.0	57.3	104	39
October 7	86.8	57.2	107	35
October 8	86.5	57.0	102	37
October 9	86.1	56.8	104	35
October 10	85.7	56.7	106	36
October 11	85.4	56.4	102	34
October 12	85.0	56.2	107	35
October 13	84.6	55.9	105	36
October 14	84.2	55.7	102	37
October 15	83.7	55.3	101	37
October 16	83.2	55.1	105	38
October 17	82.9	54.8	103	37
October 18	82.7	54.5	104	37
October 19	82.6	54.3	106	33
October 20	82.4	54.0	104	33
October 21	82.2	53.8	103	32
October 22	81.9	53.5	103	34
October 23	81.6	53.3	102	31
October 24	81.4	53.0	101	34
October 25	81.1	52.8	101	35
October 26	80.8	52.6	100	36
October 27	80.4	52.4	98	36
October 28	80.0	52.1	105	37
October 29	79.6	51.8	95	33
October 30	79.4	51.5	97	30
October 31	79.1	51.2	100	31

Weather Station Details

Years	Station	Coordinates
1999–2024	Riverside Municipal Airport	location
1893–1998	Riverside Fire Station	location