Boston climate

Boston Weather in October

NOAA 1991-2020 normals for Colden 1W, 2.9 km from Boston

Average highs run from 64°F on October 1 to 51°F on October 31, and lows from 46°F to 36°F. Normal precipitation for the month is 5.39 in over about 17 wet days.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Boston, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
57°F
Average low
41°F
Precipitation
5.39 in
Snowfall
0.4 in
Record high
87°FOct 4, 1951
Record low
20°FOct 29, 1965
Chance of a freeze
84%
Daylight
11 h 44 min to 10 h 21 min
Cloud cover
70%
Humidity
79%
Dew point
42°F
Wind
5.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Oct 164°F46°F82°F 195034°F 194749%1%
Oct 264°F46°F82°F 195033°F 193849%1%
Oct 363°F45°F84°F 195130°F 197450%1%
Oct 463°F45°F87°F 195131°F 197450%1%
Oct 563°F45°F86°F 200730°F 196550%1%
Oct 662°F44°F83°F 201328°F 198451%1%
Oct 762°F44°F84°F 194128°F 196451%1%
Oct 861°F44°F82°F 194931°F 200151%1%
Oct 961°F43°F83°F 201834°F 200051%1%
Oct 1060°F43°F85°F 194929°F 197252%2%
Oct 1160°F43°F82°F 194929°F 196452%2%
Oct 1259°F42°F80°F 193831°F 201252%2%
Oct 1359°F42°F82°F 196930°F 199353%2%
Oct 1458°F41°F85°F 195428°F 199353%2%
Oct 1558°F41°F80°F 194731°F 193953%2%
Oct 1657°F41°F85°F 194730°F 194054%3%
Oct 1757°F40°F84°F 194727°F 197854%3%
Oct 1856°F40°F82°F 194727°F 197254%3%
Oct 1956°F40°F77°F 196123°F 194054%3%
Oct 2055°F39°F77°F 196323°F 194054%4%
Oct 2155°F39°F77°F 200724°F 194054%4%
Oct 2254°F39°F81°F 197923°F 194054%4%
Oct 2354°F39°F81°F 202024°F 196954%5%
Oct 2454°F38°F79°F 197528°F 196254%5%
Oct 2553°F38°F79°F 201227°F 196254%5%
Oct 2653°F38°F77°F 199127°F 197654%6%
Oct 2752°F37°F83°F 194723°F 197654%7%
Oct 2852°F37°F74°F 194627°F 194054%7%
Oct 2952°F37°F74°F 197120°F 196553%8%
Oct 3051°F36°F74°F 194625°F 196653%8%
Oct 3151°F36°F78°F 202422°F 197553%9%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Boston, in percent, and of at least 0.1 inch of snowfall.02040601102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

October 1
sunrise 7:12 AM, sunset 6:56 PM
October 31
sunrise 7:48 AM, sunset 6:09 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00301625 (Colden 1W), public domain. Records: NOAA GHCN-Daily, station USW00014733, 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.