Boston Marathon

Boston, MA, USAApril 20, 2026
Explorer

Race Day Weather

cloudy
53°
61° high
Breezy
Slight chance

Cool temps, manageable winds

Runners will face a temperature range from 54°F at the start to 61°F by the finish, with high humidity at 94%. Wind speeds will reach up to 9 mph with gusts at 28 mph, posing crosswinds in various segments. Given the humidity, it's advisable for runners to pace conservatively, especially during the crosswind miles from 6 to 13 and 18 to 27, while benefiting from tailwinds between miles 3-5 and 14-17.

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Pace Calculator

Distance: 26.2mi
0:00:00
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Common Goals:
Race Plan

Get your personalized Boston Marathon race plan

Terrain strategy, gear recommendations, nutrition timing, mental cues, and more — tailored to your goal.

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Carb Loading
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Spectator Guide
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The Boston Marathon, established in 1897, is the world's oldest annual marathon and requires qualifying times based on age and gender. Runners start in Hopkinton and finish on Boylston Street, tackling a net downhill course with a mix of flat stretches and the iconic Newton Hills, including Heartbreak Hill. Key landmarks include Wellesley's "Scream Tunnel" and the historic finish in Copley Square.

FAQ

When is the 2026 Boston Marathon?

The 2026 Boston Marathon will be held on Monday April 20, 2026.

Is the Boston Marathon a Boston Marathon Qualifier?

Yes, the Boston Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Boston Marathon?

The forecast calls for a high of 61°F and a low of 48°F with a 16% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 26 years of data
Avg Temp
58°F
L:53° H:60°
RunScore
7
Conditions
Rain Freq
19%
5 of 26 yrs
Wind14mph
Dew39°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2025
partly-cloudy-day
50°/55°-
8
2024
partly-cloudy-day
58°/73°-
8
2023
rain
49°/51°Light
7
2022
clear-day
49°/52°-
8
2021
cloudy
65°/70°-
8
2020
clear-day
70°/78°-
7
2019
rain
58°/69°Light
7
2018
rain
41°/50°Moderate
4
2017
partly-cloudy-day
69°/74°-
7
2016
partly-cloudy-day
55°/66°-
8
2015
cloudy
43°/46°Light
5
2014
partly-cloudy-day
52°/68°-
9
2013
partly-cloudy-day
49°/52°-
8
2012
partly-cloudy-day
73°/86°-
7
2011
partly-cloudy-day
48°/61°-
7
2010
partly-cloudy-day
50°/60°-
8
2009
partly-cloudy-day
45°/49°-
7
2008
partly-cloudy-day
50°/57°-
9
2007
rain
44°/49°Light
5
2006
partly-cloudy-day
48°/55°-
8
2005
partly-cloudy-day
62°/65°-
8
2004
partly-cloudy-day
61°/84°-
6
2003
partly-cloudy-day
51°/59°-
8
2002
fog
49°/52°-
9
2001
partly-cloudy-day
46°/50°-
8
2000
cloudy
40°/44°-
6