Old Colony Marathon

Westfield, MA, USA · May 29, 2026

55°·68° high·Light·Dry

Weather

Course

FAQ

History

Race Day Weather

55°at start

70° high

Breezy

Dry

Cool start, warming trend

Runners will face a temperature range from 55°F at the start to a peak of 68°F. Winds will be light at 9 mph from the NW, with gusts up to 15 mph. With humidity at 59%, runners should consider pacing conservatively early on to adapt to the warming conditions.

4 AM

5 AM

6 AM

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

Pre-raceRace windowPost-race

Get forecast alerts for Old Colony Marathon

We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.

Race Info

Website

Course Map

FAQ

When is the 2026 Old Colony Marathon?

The 2026 Old Colony Marathon will be held on Friday May 29, 2026.

Is the Old Colony Marathon a Boston Marathon Qualifier?

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

What will the weather be like for the 2026 Old Colony Marathon?

The forecast calls for a high of 70°F and a low of 54°F with a 34% chance of rain.

Historical Weather

Based on 2 years of data

Avg Temp

77°F

L:52° H:77°

RunScore

Conditions

Rain Freq

0 of 2 yrs

Wind11mph

Dew48°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Conditions	Low / High	Rain	Dew Point	Score
2025 Old Colony Marathon Clear conditions throughout the day. 2025		50°/76°	-	44°
2024 Old Colony Marathon Partly cloudy throughout the day. 2024		53°/77°	-	53°

More MA Races

B.A.A. 10K

2026-06-21 · Boston, MA, USA

Falmouth Road Race

2026-08-16 · Falmouth, MA, USA

New England Green River Marathon

2026-08-23 · Greenfield, MA, USA

Beantown Marathon

2026-09-06 · Hingham, MA, USA

Cape Cod Marathon

2026-10-11 · Falmouth, MA, USA

Baystate Marathon

2026-10-18 · Lowell, MA, USA