2026 Boston Marathon
Boston, MAMonday, April 20
The world's oldest annual marathon, run through the towns of Hopkinton to Boston on Patriots' Day. One of the six World Marathon Majors.
Weather Model
Forecast Evolution
4d out
☁️
L 38°
H 47°
5d out
☁️
L 36°
H 44°
6d out
🌧️
L 38°
H 45°
7d out
☁️
L 36°
H 52°
8d out
☁️
L 48°
H 64°
9d out
🌧️
L 41°
H 46°
Model Race Results
Scored against the latest snapshot as a proxy. Final scores update with actual observed data after the event.
🥇ECMWF AIFS0.65 · 5d
🥈ICON0.67 · 3d
🥉NWS1.40 · 3d
4.GFS1.55 · 6d
5.GEM2.86 · 6d
6.ECMWF IFS3.94 · 5d
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