Race Day Weather
50°
66° high
Breezy
Dry
Cool morning, steady conditions
Runners will face a temperature rise from 50°F to 66°F, with a maximum wind of 10 mph from the SW and gusts up to 29 mph. Humidity will be moderate at 59%, with a dew point of 45°F. Runners should maintain a steady pace and stay hydrated, as conditions are favorable throughout the race.
Race day forecast available in 180 days
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FAQ
When is the 2026 Potomac River Run Marathon (Fall)?
The 2026 Potomac River Run Marathon (Fall) will be held on Saturday October 17, 2026.
Is the Potomac River Run Marathon (Fall) a Boston Marathon Qualifier?
Yes, the Potomac River Run Marathon (Fall) is an official Boston Marathon qualifier.
What will the weather be like for the 2026 Potomac River Run Marathon (Fall)?
The forecast calls for a high of 66°F and a low of 50°F with a 0% chance of rain.
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