Acton Weather in October
Average highs run from 87°F on October 1 to 75°F on October 31, and lows from 56°F to 45°F. Normal precipitation for the month is 0.40 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
- 81°F
- Average low
- 50°F
- Precipitation
- 0.40 in
- Record high
- 105°FOct 2, 2024
- Record low
- 18°FOct 30, 1971
- Chance of a freeze
- 7%
- Days of 90°F or more
- 5.6
- Daylight
- 11 h 49 min to 10 h 48 min
- Cloud cover
- 24%
- Humidity
- 41%
- Dew point
- 34°F
- Wind
- 7.2 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 | 87°F | 56°F | 104°F 2024 | 36°F 1971 | 2% |
| Oct 2 | 87°F | 55°F | 105°F 2024 | 33°F 1950 | 2% |
| Oct 3 | 86°F | 55°F | 104°F 2024 | 36°F 1950 | 3% |
| Oct 4 | 86°F | 55°F | 102°F 2024 | 35°F 1957 | 3% |
| Oct 5 | 85°F | 54°F | 102°F 2024 | 32°F 1969 | 3% |
| Oct 6 | 85°F | 54°F | 102°F 2024 | 32°F 1969 | 3% |
| Oct 7 | 85°F | 54°F | 100°F 2024 | 36°F 1941 | 3% |
| Oct 8 | 84°F | 53°F | 95°F 1965 | 33°F 1949 | 3% |
| Oct 9 | 84°F | 53°F | 95°F 2003 | 33°F 1949 | 3% |
| Oct 10 | 83°F | 52°F | 93°F 1964 | 33°F 1973 | 3% |
| Oct 11 | 83°F | 52°F | 96°F 1950 | 34°F 1973 | 4% |
| Oct 12 | 82°F | 52°F | 95°F 1950 | 31°F 2008 | 4% |
| Oct 13 | 82°F | 51°F | 98°F 1971 | 35°F 2021 | 4% |
| Oct 14 | 82°F | 51°F | 95°F 1936 | 34°F 1951 | 4% |
| Oct 15 | 81°F | 51°F | 92°F 2010 | 29°F 1966 | 4% |
| Oct 16 | 81°F | 50°F | 92°F 1937 | 34°F 1935 | 4% |
| Oct 17 | 80°F | 50°F | 96°F 2020 | 29°F 1966 | 5% |
| Oct 18 | 80°F | 49°F | 94°F 2020 | 31°F 1966 | 5% |
| Oct 19 | 80°F | 49°F | 95°F 2020 | 30°F 1969 | 5% |
| Oct 20 | 79°F | 49°F | 95°F 2023 | 31°F 1949 | 5% |
| Oct 21 | 79°F | 48°F | 93°F 2003 | 26°F 1949 | 5% |
| Oct 22 | 78°F | 48°F | 95°F 2003 | 30°F 1935 | 5% |
| Oct 23 | 78°F | 47°F | 92°F 1959 | 30°F 1953 | 5% |
| Oct 24 | 78°F | 47°F | 92°F 1959 | 30°F 1935 | 6% |
| Oct 25 | 77°F | 47°F | 92°F 1959 | 28°F 1935 | 6% |
| Oct 26 | 77°F | 46°F | 90°F 2017 | 28°F 1939 | 6% |
| Oct 27 | 76°F | 46°F | 90°F 2018 | 31°F 1953 | 6% |
| Oct 28 | 76°F | 46°F | 90°F 2003 | 27°F 1970 | 6% |
| Oct 29 | 76°F | 45°F | 90°F 2008 | 22°F 1971 | 6% |
| Oct 30 | 75°F | 45°F | 88°F 1939 | 18°F 1971 | 6% |
| Oct 31 | 75°F | 45°F | 85°F 1939 | 22°F 1935 | 7% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- October 1
- sunrise 6:48 AM, sunset 6:37 PM
- October 31
- sunrise 7:12 AM, sunset 6:00 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00046624 (Palmdale), public domain. Records: NOAA GHCN-Daily, station USW00023182, 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.