Gilroy Weather in October
Average highs run from 83°F on October 1 to 74°F on October 31, and lows from 51°F to 45°F. Normal precipitation for the month is 0.85 in over about 3 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
- 79°F
- Average low
- 48°F
- Precipitation
- 0.85 in
- Record high
- 107°FOct 2, 1980
- Record low
- 29°FOct 30, 1971
- Chance of a freeze
- 0%
- Days of 90°F or more
- 4.5
- Daylight
- 11 h 47 min to 10 h 40 min
- Cloud cover
- 26%
- Humidity
- 54%
- Dew point
- 42°F
- Wind
- 6.5 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 | 83°F | 51°F | 104°F 1980 | 39°F 1971 | 5% |
| Oct 2 | 82°F | 50°F | 107°F 1980 | 40°F 1971 | 5% |
| Oct 3 | 82°F | 50°F | 106°F 1980 | 41°F 1973 | 5% |
| Oct 4 | 82°F | 50°F | 103°F 1980 | 40°F 1957 | 5% |
| Oct 5 | 82°F | 50°F | 105°F 1987 | 40°F 1969 | 6% |
| Oct 6 | 82°F | 50°F | 104°F 1987 | 37°F 2012 | 6% |
| Oct 7 | 81°F | 50°F | 99°F 2014 | 39°F 1970 | 6% |
| Oct 8 | 81°F | 49°F | 104°F 1996 | 38°F 1968 | 6% |
| Oct 9 | 81°F | 49°F | 103°F 1996 | 36°F 1961 | 7% |
| Oct 10 | 81°F | 49°F | 98°F 1989 | 37°F 1961 | 7% |
| Oct 11 | 80°F | 49°F | 101°F 1991 | 37°F 1961 | 7% |
| Oct 12 | 80°F | 49°F | 96°F 1992 | 37°F 1961 | 8% |
| Oct 13 | 80°F | 49°F | 98°F 1978 | 38°F 1981 | 8% |
| Oct 14 | 80°F | 48°F | 102°F 1978 | 37°F 1966 | 8% |
| Oct 15 | 79°F | 48°F | 102°F 1961 | 36°F 1966 | 9% |
| Oct 16 | 79°F | 48°F | 103°F 1961 | 37°F 1960 | 9% |
| Oct 17 | 79°F | 48°F | 99°F 1961 | 37°F 1960 | 10% |
| Oct 18 | 79°F | 48°F | 98°F 1974 | 37°F 1960 | 10% |
| Oct 19 | 78°F | 47°F | 97°F 2003 | 37°F 1971 | 10% |
| Oct 20 | 78°F | 47°F | 94°F 1989 | 37°F 1996 | 11% |
| Oct 21 | 78°F | 47°F | 96°F 1964 | 36°F 1996 | 11% |
| Oct 22 | 77°F | 47°F | 96°F 2003 | 36°F 1961 | 11% |
| Oct 23 | 77°F | 47°F | 94°F 1965 | 32°F 1961 | 12% |
| Oct 24 | 77°F | 47°F | 96°F 1965 | 33°F 1961 | 12% |
| Oct 25 | 76°F | 46°F | 94°F 1959 | 33°F 1971 | 13% |
| Oct 26 | 76°F | 46°F | 94°F 1965 | 35°F 1971 | 13% |
| Oct 27 | 76°F | 46°F | 94°F 2003 | 30°F 1967 | 14% |
| Oct 28 | 75°F | 46°F | 96°F 2017 | 30°F 1967 | 14% |
| Oct 29 | 75°F | 46°F | 88°F 2015 | 30°F 1967 | 14% |
| Oct 30 | 75°F | 45°F | 89°F 1965 | 29°F 1971 | 15% |
| Oct 31 | 74°F | 45°F | 88°F 1965 | 32°F 1961 | 15% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- October 1
- sunrise 7:02 AM, sunset 6:49 PM
- October 31
- sunrise 7:30 AM, sunset 6:10 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00043417 (Gilroy), public domain. Records: NOAA GHCN-Daily, station USC00043417, 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.