30YearWeather
Boston in October
Boston weather in October - United States
🌤️Mild & Comfortable

Boston Weather in October

Plan your October trip to Boston, United States. Based on 30 years of NASA data, expect temperatures of 17°C (high) to 9°C (low), with 23% rain probability and 8 hours of daily sunshine. The Atlantic Ocean averages 15°C in October. Great conditions with only 9 rainy days expected.

Avg High
17°C

Hottest around day 5

Avg Low
9°C

Coolest around day 31

Rainy Days
9days

23% avg rain chance

Sunshine
8hrs/day

Autumn season

Sea Temperature in October

Atlantic Ocean

15.2°C

Monthly Average

Water Feel
💧Refreshing

Consider a wetsuit for extended swimming

Swim Rating
🏄Cool, wetsuits recommended

Based on average sea surface temperature

Body of Water
Atlantic Ocean

Boston coastline

Boston October Weather Calendar

Click any day to see detailed weather information

Day 1
cloudy
Cloudy
19°C23%
Day 2
cloudy
Cloudy
19°C23%
Day 3
cloudy
Cloudy
19°C23%
Day 4
partly-cloudy-day
Nice
20°C20%
Day 5
partly-cloudy-day
Nice
20°C20%
Day 6
cloudy
Cloudy
20°C22%
Day 7
cloudy
Cloudy
19°C22%
Day 8
cloudy
Cloudy
19°C22%
Day 9
cloudy
Cloudy
18°C24%
Day 10
cloudy
Cloudy
18°C25%
Day 11
cloudy
Cloudy
18°C24%
Day 12
cloudy
Cloudy
17°C28%
Day 13
cloudy
Cloudy
17°C28%
Day 14
cloudy
Cloudy
17°C27%
Day 15
cloudy
Cloudy
17°C29%
Day 16
cloudy
Cloudy
16°C26%
Day 17
cloudy
Cloudy
16°C21%
Day 18
cloudy
Cloudy
16°C21%
Day 19
partly-cloudy-day
Nice
16°C19%
Day 20
partly-cloudy-day
Nice
17°C16%
Day 21
partly-cloudy-day
Nice
16°C18%
Day 22
cloudy
Cloudy
16°C21%
Day 23
cloudy
Cloudy
16°C21%
Day 24
cloudy
Cloudy
16°C22%
Day 25
cloudy
Cloudy
15°C23%
Day 26
partly-cloudy-day
Nice
15°C20%
Day 27
cloudy
Cloudy
14°C25%
Day 28
cloudy
Cloudy
14°C26%
Day 29
cloudy
Cloudy
14°C30%
Day 30
cloudy
Cloudy
14°C28%
Day 31
cloudy
Cloudy
14°C29%

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

Greater Boston uses10-digit dialing. Th...

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for Boston

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
84/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

Aug

Low

Nov

Monthly Traffic Distribution

465
Jan
490
Feb
551
Mar
596
Apr
643
May
627
Jun
650
Jul
676
Aug
651
Sep
635
Oct
424
Nov
533
Dec
Traffic Level
Low Season

Key Connections

Washington Ronald Reagan National (DCA)
Chicago O'Hare (ORD)
New York John F Kennedy (JFK)
Philadelphia (PHL)
Atlanta Hartsfield Jackson (ATL)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is October a Good Time to Visit Boston?

👌Decent conditions for most activities
Short Answer

Storm season alert for Boston in October: beyond the 17°C, 23% rain averages, hurricane risk requires travel insurance and schedule flexibility.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Peak tourist season

94% of annual peak - expect crowds and peak prices

Cold sea - swimming challenging

15.2°C sea temperature - Polar Plunge

Exceptional dining scene

26 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 16.8°C temperatures and low 23% rain risk

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 16.8°C, 23% rain chance

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 89/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only 15.2°C - too cold for comfortable swimming

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    75% humidity creates difficult conditions

  • 💼
    Business travelers

    Storm season may cause flight disruptions

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Boston in October averages 17°C with 23% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Boston in October

What are the temperatures in Boston in October?

Daytime highs average 17°C, nights drop to 9°C. Temperatures remain fairly consistent.

How many rainy days in Boston in October?

Expect around 9 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Boston in October?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is October peak season in Boston?

This is shoulder season—moderate prices and manageable crowds.