Boston’s Back Bay skyline and the Charles River in warm evening light

United States · Destination guide

Boston, United States

Best seasonMay–Oct

CurrencyUnited States dollar (USD)

Plug typesA, B · 120 VCheck adapter →

Time zoneAmerica/New_York (UTC-4)

Emergency number911

Destination guide

A first look at Boston

Spend the first day on a manageable historic-street route and the North End, then choose a garden and harbor outing for the second. Leave time for individual admissions and meals instead of racing to every Freedom Trail stop.

Explore our Boston guides

Boston’s downtown waterfront skyline with the Rowes Wharf arch and harbor boats

A first weekend in Boston

The Old State House’s white cupola and gilded banner weathervane against Boston’s later buildings

Downtown Freedom Trail: choose your historic stops

Boston waterfront wharves and boats with the recognisable Custom House clock tower

Boston Harborwalk or Charlestown: choose your waterfront outing

Weather guide

Weather in Boston

Winter needs insulating layers and footwear with grip; summer calls for breathable clothes and rain protection. NOAA Logan Airport 1991–2020 monthly normals provide a seasonal baseline, while exposed harbor wind and actual travel dates need a current forecast.

15–19°C

Changeable temperatures with cooler mornings and evenings; keep rain protection accessible.

October · representative month, not a forecast

Evenings: 7–11°C
Rain: Showers possible
Daylight: Use daylight for historic streets and park paths, with a layer for later returns.

See weather details →

What this means for packing

October calls for a shirt, removable sweater and rain-resistant jacket. Garden paths and exposed waterfront pauses may need more warmth than a brisk downtown walk. Shoes with grip help on wet leaves; put the longer outdoor route in daylight and check reduced site schedules.

Choosing a season

The best-season badge suggests months for general sightseeing, using the typical daytime temperatures and rainfall in our monthly guides. Beach holidays, festivals, winter sports and northern lights trips may suit different dates.

Climate methodology

NOAA NCEI Boston Logan International Airport station USW00014739, 1991–2020 normals: mean daily maximum 62.1°F (16.7°C), minimum 47.5°F (8.6°C); monthly precipitation 4.03 inches (102.4 mm). Clothing bands convert to Celsius, round and expand 2°C each way; these are outfit prompts, not forecast limits. Precipitation includes water-equivalent snow. Airport exposure differs from sheltered city streets and harbor decks; check your actual travel dates.

Reviewed 2026-10-13

NOAA NCEI: Boston Logan airport monthly normals · NPS: visitor access and weather · MBTA: current fares and transport

About the climate in Boston

Packing guide

What to wear in Boston in August.

An example packing list for Boston in August

Use this as a starting point and choose what suits your plans. Packtricia tailors your list and quantities to your trip length, weather and preferences.

Clothing

Underwear
Bras (if worn)
Socks
Sleepwear
Breathable T-shirt or linen shirt
Comfortable trousers
Removable knit
Packable windproof rain jacket
Broken-in walking shoes with grip
Light shorts or skirt (if preferred)
Sun hat

Toiletries

Toothbrush
Toothpaste
Shampoo
Conditioner
Body wash or soap
Deodorant
Skincare products
Sunscreen
Hairbrush or comb
Shaving supplies (if used)
Menstrual products (if needed)
Contact lens solution (if used)

Essentials

Passport or accepted travel ID
Travel tickets and booking confirmations
Wallet and payment cards
Phone
Charging cable and charger
Travel adapter (if needed)
Medication (if needed)
Glasses or contact lenses (if used)
Refillable water bottle
Day bag
Power bank (if needed)
Water-resistant pouch
Compact umbrella (if preferred)

Monthly weather and packing notes

August needs breathable tops and light trousers, shorts or a skirt for daytime streets. Use sun protection and water, then keep an extra layer for an evening waterfront stop. Comfortable shoes matter more than a formal sightseeing outfit, especially around uneven historic paving.

Daytime: 25–29°C
Evenings: 16–20°C
Rain: Showers possible
Daylight: Use daylight for historic streets and park paths, with a layer for later returns.
Packing style: Breathable clothes with sun and rain protection

NOAA NCEI Boston Logan International Airport station USW00014739, 1991–2020 normals: mean daily maximum 80.4°F (26.9°C), minimum 65.1°F (18.4°C); monthly precipitation 3.23 inches (82.0 mm). Clothing bands convert to Celsius, round and expand 2°C each way; these are outfit prompts, not forecast limits. Precipitation includes water-equivalent snow. Airport exposure differs from sheltered city streets and harbor decks; check your actual travel dates.

Outfit ideas for your outings

August on the downtown Freedom Trail

Breathable T-shirt or linen shirt
Removable knit
Light trousers, skirt or shorts
Walking footwear with grip
Packable windproof rain jacket

Public Garden and a quieter street walk

Breathable T-shirt or linen shirt
Removable knit
Packable windproof rain jacket
Comfortable trousers
Walking shoes with seasonal grip

Harbor viewpoint or available boat outing

Breathable T-shirt or linen shirt
Removable knit
Packable windproof rain jacket
Sun protection
Secure comfortable footwear

What to leave behind

Stiff unworn shoes: test footwear before historic brick paving, park paths and transit steps.
Only a warm-weather outfit: rain, a boat deck or indoor cooling can require another layer.

Reviewed 2026-10-13

NOAA NCEI: Boston Logan airport monthly normals · NPS: visitor access and weather · MBTA: current fares and transport

Transport guide

Getting around Boston

Use MBTA Go for Boston-area arrivals, vehicle positions and service-closure information. Check fare payment separately: a live route or arrival screen is not a ticket, and commuter-rail journeys can use different products.

MBTA Go — official iPhone app
Get MBTA’s live transit-information app.
MBTA Go for Android
Official Android version for arrivals and service information.

Check the operator’s current service notices and ticket instructions before travelling.

Practical essentials

Language and calling code

Language: English
Calling code: +1

Useful essentials for Boston

Walking shoes with seasonal grip
Warmth or a breathable layer for the month
Wind and rain protection
Small secure day bag
Historic-site confirmations and transport route
US socket adapter if needed

Do you need a visa?

Check travel-document and visa requirements for your passport, destination and transit stops.

Check your requirements on TravelDoc

Use the checker as a starting point, then confirm requirements with the relevant government or embassy before travelling.

Stay connected

Mobile data for your trip. Check what your current plan includes for roaming. If you need another option for maps, messages and booking details, compare NXTL eSIM coverage and rates. Check that your phone supports eSIM and is unlocked, and check coverage for every stop. Download important maps and confirmations for offline use too.

Photo: Ren Aukeman / Pexels

A first look at Boston