Boston Marathon Weather

We’ll update this as the weekend progresses. Last updated Monday, 4:30pm

The times for each Wave at the Halfway and Finish are based on the following finish times:

Wave 1: 3:00
Wave 2: 3:20
Wave 3: 3:50
Wave 4: 4:30

Start in Hopkinton   Temp Humidity Wind
Wave 1 (10:00am) Sunny 67F 28% 6mph from the NNE (Headwind)
Wave 2 (10:25am) Sunny 69F 26% 6mph from the NNE (Headwind)
Wave 3 (10:50am) Sunny 71F 23% 8mph from the NNE (Headwind)
Wave 4 (11:15am) Sunny 69F 25% 10mph from the NNE (Headwind)
Halfway   Temp Humidity Wind
Wave 1 (11:30am) Sunny 68F 22% 7mph from the North (Crosswind)
Wave 2 (12:05pm) Sunny 70F 22% 9mph from the North (Crosswind)
Wave 3 (12:45pm) Sunny 70F 23% 8mph from the ENE (Headwind))
Wave 4 (1:30pm) Sunny 70F 23% 5mph from the SSW (Tailwind)
Finish in Boston   Temp Humidity Wind
Wave 1 (1:00pm) Scattered Clouds 57F 42% 17mph from the ENE (Headwind)
Wave 2 (1:45pm) Mostly Cloudy 53F 55% 14mph from the East (Headwind)
Wave 3 (2:40pm) Mostly Cloudy 52F 57% 10mph from the East (Headwind))
Wave 4 (3:45pm) Scattered Clouds 52F 57% 12mph from the EnE (Headwind)