Runners will face a temperature range from 53°F at the start, peaking at 66°F. Wind will vary with crosswinds in the early segments and headwinds from miles 9-10 and 20-23, reaching up to 10 mph. With humidity at 64%, maintaining hydration will be crucial, especially during the tougher stretches. Runners should pace conservatively in the initial miles and adjust for wind impacts on exposed sections.
Race day forecast available in 198 days
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Pace Calculator
Distance: 26.2mi
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Common Goals:
The Marine Corps Marathon (MCM) is an annual marathon held in Washington, D.C. and Arlington, Virginia. The mission of the MCM is to promote physical fitness, generate community goodwill, and showcase the organizational skills of the United States Marine Corps.Wikipedia
FAQ
When is the 2026 Marine Corps Marathon?
The 2026 Marine Corps Marathon will be held on Sunday October 25, 2026.
Is the Marine Corps Marathon a Boston Marathon Qualifier?
Yes, the Marine Corps Marathon is an official Boston Marathon qualifier.
What will the weather be like for the 2026 Marine Corps Marathon?
The forecast calls for a high of 66°F and a low of 53°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.
Historical Weather
Based on 27 years of data
Avg Temp
64°F
L:50° H:64°
RunScore
Conditions
Rain Freq
11%
3 of 27 yrs
Wind11mph
Dew42°F
Temperature History
Range of temperatures during race hours for each year.
