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West Covina, CA Weather on October 9

October 9th in West Covina, CA typically brings warm fall weather, with average highs around 85°F and lows near 58°F — a 27°F daily swing. Over 55 years of records, the warmest October 9th was in 2015 (87°F average), while the coldest was 2013 (58°F) — a 29°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.

By Weather On This Day|
Avg High
85°F
Avg Low
58°F
Record High
106°F
2015
Record Low
48°F
1973
West Covina, CA on October 9 — Temperature History40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on October 9

Planning for October 9th in West Covina, CA? Stay hydrated and seek shade during peak afternoon hours.

October 9 Weather Records for West Covina

  • •The all-time record high for October 9th in West Covina, CA is 106°F, set in 2015.
  • •The coldest October 9th on record dropped to 48°F in 1973.
  • •Temperatures have reached 90°F or higher on October 9th in 16 of the last 55 years.
  • •Last year (1971), October 9th was 10°F warmer than the long-term average.

Frequently Asked Questions

What was the warmest October 9 ever in West Covina?

The warmest October 9 in West Covina, CA reached 106°F in 2015. That is 21°F above the long-term average high of 85°F.

What was the coldest October 9 ever in West Covina?

The coldest October 9 in West Covina, CA dropped to 48°F in 1973. That is 10°F below the long-term average low of 58°F.

What is the average temperature on October 9 in West Covina?

On October 9, West Covina averages a high of 85°F and a low of 58°F based on 55 years of NOAA weather observations from SANTA FE DAM CALIFORNIA.

How many years of weather data are available for October 9 in West Covina?

We have 55 years of weather records for October 9 in West Covina, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

October 9 Weather History in West Covina

YearHighLowPrecipSnow
202587°F56°F----
202489°F59°F----
202381°F57°F----
202286°F62°F----
202177°F58°F----
202079°F62°F----
201979°F56°F----
201879°F57°F----
201790°F61°F----
201696°F61°F----
2015106°F69°F----
201484°F62°F----
201364°F51°F----
201283°F56°F----
201190°F54°F----
201094°F53°F----
200981°F51°F----
200889°F62°F----
200785°F50°F----
200676°F60°F----
200581°F53°F----
200486°F53°F----
200371°F55°F----
200288°F77°F----
200176°F56°F----
200075°F57°F----
1999103°F69°F----
199886°F53°F----
199786°F58°F----
199691°F58°F----
199586°F55°F----
199498°F71°F----
199377°F55°F----
199290°F54°F0"--
1991104°F60°F0"--
199096°F52°F0"--
198986°F60°F0"--
1988101°F58°F0"--
198780°F64°F0"--
198677°F63°F0"--
198575°F57°F0"--
198484°F60°F0"--
198384°F62°F0"--
198290°F52°F0"--
198178°F57°F0"--
198083°F62°F0"--
1979--56°F0"--
197891°F59°F0"--
197785°F59°F0"--
1976100°F58°F0"--
197576°F52°F0"--
197477°F60°F0"--
197375°F48°F0"--
197273°F63°F0"--
197195°F56°F0"--

Based on 55 years of data from NOAA station: SANTA FE DAM CALIFORNIA

Monthly Climate Averages

Historical temperature and precipitation averages for West Covina, CA, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 95°F / Low: 62°F
Coldest MonthDecemberAvg High: 69°F / Low: 48°F
Jan
71°/ 49°
💧 0.3"
Feb
71°/ 48°
💧 0.3"
Mar
75°/ 50°
💧 0.4"
Apr
78°/ 52°
💧 0.2"
May
81°/ 55°
💧 0.1"
Jun
87°/ 59°
💧 0.0"
Jul
93°/ 62°
💧 0.0"
Aug
95°/ 62°
💧 0.0"
Sep
92°/ 61°
💧 0.0"
Oct
85°/ 57°
💧 0.3"
Nov
77°/ 52°
💧 0.2"
Dec
69°/ 48°
💧 0.4"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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