Boston Weather in October
Average highs run from 84°F on October 1 to 76°F on October 31, and lows from 63°F to 51°F. Normal precipitation for the month is 3.31 in over about 5 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
- 80°F
- Average low
- 57°F
- Precipitation
- 3.31 in
- Record high
- 97°FOct 5, 1941
- Record low
- 30°FOct 21, 1964
- Chance of a freeze
- 6%
- Days of 90°F or more
- 0.6
- Daylight
- 11 h 51 min to 10 h 59 min
- Cloud cover
- 43%
- Humidity
- 74%
- Dew point
- 58°F
- Wind
- 7.4 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 | 84°F | 63°F | 94°F 1933 | 47°F 1967 | 24% |
| Oct 2 | 84°F | 62°F | 94°F 1986 | 43°F 1967 | 23% |
| Oct 3 | 84°F | 62°F | 95°F 2019 | 40°F 1967 | 23% |
| Oct 4 | 84°F | 62°F | 96°F 1941 | 38°F 1974 | 22% |
| Oct 5 | 83°F | 61°F | 97°F 1941 | 40°F 1987 | 22% |
| Oct 6 | 83°F | 61°F | 97°F 1951 | 42°F 1980 | 21% |
| Oct 7 | 83°F | 61°F | 96°F 1951 | 41°F 1964 | 21% |
| Oct 8 | 83°F | 60°F | 94°F 1941 | 39°F 1991 | 21% |
| Oct 9 | 82°F | 60°F | 95°F 1941 | 40°F 1978 | 20% |
| Oct 10 | 82°F | 59°F | 93°F 1982 | 39°F 2000 | 20% |
| Oct 11 | 82°F | 59°F | 91°F 1939 | 41°F 2000 | 20% |
| Oct 12 | 82°F | 58°F | 90°F 1939 | 45°F 1945 | 19% |
| Oct 13 | 81°F | 58°F | 90°F 1953 | 41°F 1977 | 19% |
| Oct 14 | 81°F | 58°F | 92°F 1972 | 38°F 1977 | 18% |
| Oct 15 | 81°F | 57°F | 90°F 1926 | 37°F 1977 | 18% |
| Oct 16 | 80°F | 57°F | 90°F 1972 | 36°F 1977 | 18% |
| Oct 17 | 80°F | 56°F | 91°F 1972 | 36°F 1954 | 17% |
| Oct 18 | 80°F | 56°F | 92°F 1972 | 37°F 1977 | 17% |
| Oct 19 | 80°F | 56°F | 91°F 1926 | 36°F 2022 | 17% |
| Oct 20 | 79°F | 55°F | 90°F 1943 | 37°F 1989 | 16% |
| Oct 21 | 79°F | 55°F | 94°F 2003 | 30°F 1964 | 16% |
| Oct 22 | 79°F | 54°F | 94°F 2003 | 38°F 1976 | 16% |
| Oct 23 | 78°F | 54°F | 94°F 2003 | 39°F 1976 | 16% |
| Oct 24 | 78°F | 54°F | 92°F 1941 | 33°F 1937 | 16% |
| Oct 25 | 78°F | 53°F | 91°F 1927 | 31°F 2006 | 16% |
| Oct 26 | 77°F | 53°F | 89°F 1936 | 33°F 1965 | 16% |
| Oct 27 | 77°F | 53°F | 91°F 1939 | 31°F 1968 | 16% |
| Oct 28 | 77°F | 52°F | 92°F 1954 | 33°F 1957 | 16% |
| Oct 29 | 76°F | 52°F | 91°F 1947 | 32°F 1957 | 16% |
| Oct 30 | 76°F | 52°F | 87°F 1935 | 31°F 1952 | 16% |
| Oct 31 | 76°F | 51°F | 89°F 2003 | 32°F 1954 | 16% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- October 1
- sunrise 7:29 AM, sunset 7:20 PM
- October 31
- sunrise 7:49 AM, sunset 6:48 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00085879 (Monticello 5 Se), public domain. Records: NOAA GHCN-Daily, station USC00096087, 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.