Chula Vista Weather in October
Average highs run from 76°F on October 1 to 74°F on October 31, and lows from 62°F to 55°F. Normal precipitation for the month is 0.36 in over about 1 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 75°F
- Average low
- 59°F
- Precipitation
- 0.36 in
- Record high
- 98°FOct 25, 2017
- Record low
- 35°FOct 29, 1971
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.5
- Daylight
- 11 h 50 min to 10 h 53 min
- Cloud cover
- 28%
- Humidity
- 60%
- Dew point
- 48°F
- Wind
- 6.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Oct 1 | 76°F | 62°F | 87°F 1945 | 49°F 2009 | 3% |
| Oct 2 | 76°F | 62°F | 92°F 1945 | 51°F 1971 | 3% |
| Oct 3 | 76°F | 61°F | 93°F 2014 | 50°F 2009 | 3% |
| Oct 4 | 76°F | 61°F | 88°F 2014 | 51°F 1957 | 3% |
| Oct 5 | 76°F | 61°F | 90°F 1960 | 48°F 2009 | 3% |
| Oct 6 | 76°F | 61°F | 89°F 1971 | 50°F 2013 | 3% |
| Oct 7 | 76°F | 61°F | 92°F 2008 | 46°F 2007 | 3% |
| Oct 8 | 75°F | 60°F | 92°F 2008 | 45°F 1970 | 3% |
| Oct 9 | 75°F | 60°F | 95°F 2015 | 49°F 2007 | 3% |
| Oct 10 | 75°F | 60°F | 92°F 2015 | 49°F 1970 | 3% |
| Oct 11 | 75°F | 60°F | 88°F 1982 | 47°F 2008 | 4% |
| Oct 12 | 75°F | 60°F | 93°F 2015 | 47°F 2008 | 4% |
| Oct 13 | 75°F | 59°F | 88°F 2015 | 40°F 2008 | 4% |
| Oct 14 | 75°F | 59°F | 88°F 1997 | 46°F 2008 | 4% |
| Oct 15 | 75°F | 59°F | 93°F 1961 | 47°F 2013 | 4% |
| Oct 16 | 75°F | 59°F | 90°F 1997 | 47°F 2018 | 4% |
| Oct 17 | 75°F | 58°F | 97°F 1958 | 48°F 1971 | 4% |
| Oct 18 | 75°F | 58°F | 89°F 1958 | 48°F 1971 | 5% |
| Oct 19 | 75°F | 58°F | 96°F 2022 | 48°F 1971 | 5% |
| Oct 20 | 75°F | 58°F | 95°F 1964 | 48°F 1971 | 5% |
| Oct 21 | 75°F | 57°F | 96°F 1965 | 46°F 2008 | 5% |
| Oct 22 | 75°F | 57°F | 82°F 1993 | 48°F 1971 | 5% |
| Oct 23 | 75°F | 57°F | 91°F 1965 | 48°F 2008 | 5% |
| Oct 24 | 74°F | 57°F | 97°F 2017 | 41°F 2007 | 6% |
| Oct 25 | 74°F | 56°F | 98°F 2017 | 43°F 2008 | 6% |
| Oct 26 | 74°F | 56°F | 93°F 2012 | 46°F 1970 | 6% |
| Oct 27 | 74°F | 56°F | 89°F 2012 | 45°F 2008 | 6% |
| Oct 28 | 74°F | 56°F | 87°F 2015 | 42°F 1970 | 6% |
| Oct 29 | 74°F | 55°F | 84°F 2025 | 35°F 1971 | 6% |
| Oct 30 | 74°F | 55°F | 85°F 1980 | 37°F 1971 | 6% |
| Oct 31 | 74°F | 55°F | 88°F 1980 | 41°F 1972 | 7% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- October 1
- sunrise 6:43 AM, sunset 6:33 PM
- October 31
- sunrise 7:05 AM, sunset 5:58 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041758 (Chula Vista), public domain. Records: NOAA GHCN-Daily, station USW00093115, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.