Westminster Weather in October
Average highs run from 81°F on October 1 to 78°F on October 31, and lows from 62°F to 57°F. Normal precipitation for the month is 0.50 in over about 2 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
- 59°F
- Precipitation
- 0.50 in
- Record high
- 111°FOct 15, 1961
- Record low
- 39°FOct 31, 1972
- Chance of a freeze
- 0%
- Days of 90°F or more
- 4.8
- Daylight
- 11 h 49 min to 10 h 50 min
- Cloud cover
- 24%
- Humidity
- 52%
- Dew point
- 44°F
- Wind
- 6.0 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 | 81°F | 62°F | 101°F 1991 | 51°F 1971 | 4% |
| Oct 2 | 81°F | 62°F | 98°F 1958 | 52°F 1955 | 4% |
| Oct 3 | 81°F | 62°F | 105°F 1987 | 51°F 1953 | 4% |
| Oct 4 | 81°F | 62°F | 105°F 1987 | 51°F 1950 | 4% |
| Oct 5 | 81°F | 61°F | 104°F 1971 | 51°F 1969 | 4% |
| Oct 6 | 81°F | 61°F | 105°F 1971 | 50°F 1955 | 5% |
| Oct 7 | 80°F | 61°F | 99°F 2008 | 50°F 1954 | 5% |
| Oct 8 | 80°F | 61°F | 99°F 1976 | 52°F 1962 | 5% |
| Oct 9 | 80°F | 61°F | 105°F 2015 | 45°F 1949 | 5% |
| Oct 10 | 80°F | 61°F | 109°F 1991 | 47°F 1949 | 5% |
| Oct 11 | 80°F | 60°F | 99°F 2015 | 50°F 1949 | 5% |
| Oct 12 | 80°F | 60°F | 102°F 2011 | 48°F 2008 | 6% |
| Oct 13 | 80°F | 60°F | 104°F 1961 | 48°F 1951 | 6% |
| Oct 14 | 80°F | 60°F | 110°F 1961 | 49°F 1959 | 6% |
| Oct 15 | 80°F | 60°F | 111°F 1961 | 49°F 1981 | 6% |
| Oct 16 | 79°F | 60°F | 106°F 1958 | 49°F 1960 | 6% |
| Oct 17 | 79°F | 59°F | 101°F 1958 | 49°F 1965 | 6% |
| Oct 18 | 79°F | 59°F | 95°F 1966 | 47°F 1980 | 7% |
| Oct 19 | 79°F | 59°F | 95°F 1964 | 43°F 1949 | 7% |
| Oct 20 | 79°F | 59°F | 99°F 2016 | 43°F 1949 | 7% |
| Oct 21 | 79°F | 59°F | 99°F 1965 | 45°F 1949 | 7% |
| Oct 22 | 79°F | 58°F | 101°F 1965 | 45°F 1949 | 7% |
| Oct 23 | 79°F | 58°F | 105°F 2017 | 45°F 1949 | 7% |
| Oct 24 | 79°F | 58°F | 105°F 2017 | 45°F 1953 | 7% |
| Oct 25 | 78°F | 58°F | 100°F 2017 | 45°F 1968 | 7% |
| Oct 26 | 78°F | 58°F | 93°F 1983 | 46°F 1954 | 8% |
| Oct 27 | 78°F | 57°F | 96°F 1973 | 45°F 1949 | 8% |
| Oct 28 | 78°F | 57°F | 96°F 1973 | 47°F 1970 | 8% |
| Oct 29 | 78°F | 57°F | 94°F 2025 | 40°F 1971 | 8% |
| Oct 30 | 78°F | 57°F | 96°F 1962 | 41°F 1971 | 8% |
| Oct 31 | 78°F | 57°F | 95°F 1966 | 39°F 1972 | 8% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- October 1
- sunrise 6:47 AM, sunset 6:36 PM
- October 31
- sunrise 7:10 AM, sunset 6:00 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047888 (Santa Ana Fire Stn), public domain. Records: NOAA GHCN-Daily, station USW00023129, 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.