B.A.A. Mayor's Cup

Boston, MA, USA · October 25, 2026

51°·57° high·Breezy·Dry

Weather

Course

FAQ

History

Race Day Weather

51°at start

58° high

Breezy

Dry

Mild day, slight wind chill

Runners will face mild temperatures starting at 51°F, rising to 56°F. Wind will be light from the NW at 10 mph, creating a slight chill. With humidity at 70%, it’s advisable to start conservatively to avoid overheating. A throwaway layer may be helpful during the pre-race wait.

Race day forecast available in 11 days

7 AM

8 AM

9 AM

10 AM

11 AM

12 PM

1 PM

2 PM

Pre-raceRace windowPost-race

Get forecast alerts for B.A.A. Mayor's Cup

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 B.A.A. Mayor's Cup?

The 2026 B.A.A. Mayor's Cup will be held on Sunday October 25, 2026.

What is the time limit for the B.A.A. Mayor's Cup?

The time limit for the B.A.A. Mayor's Cup is 2 hours.

What will the weather be like for the 2026 B.A.A. Mayor's Cup?

The forecast calls for a high of 59°F and a low of 49°F with a 12% chance of rain.

Historical Weather

Based on 33 years of data

Avg Temp

53°F

L:49° H:56°

RunScore

Conditions

Rain Freq

12%

4 of 33 yrs

Wind11mph

Dew39°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 B.A.A. Mayor's Cup Partly cloudy throughout the day. 2025	45°/55°	-	33°
2024 B.A.A. Mayor's Cup Partly cloudy throughout the day. 2024	43°/53°	-	18°
2023 B.A.A. Mayor's Cup Becoming cloudy in the afternoon. 2023	53°/57°	-	41°
2022 B.A.A. Mayor's Cup Partly cloudy throughout the day with rain. 2022	51°/58°	-	49°
2021 B.A.A. Mayor's Cup Clear conditions throughout the day. 2021	36°/50°	-	29°
2021 B.A.A. Mayor's Cup Partly cloudy throughout the day. 2021	46°/55°	-	30°
2020 B.A.A. Mayor's Cup Partly cloudy throughout the day. 2020	58°/68°	-	55°
2019 B.A.A. Mayor's Cup Partly cloudy throughout the day with rain. 2019	52°/55°	Light	44°
2018 B.A.A. Mayor's Cup Partly cloudy throughout the day with morning rain. 2018	46°/48°	Light	31°
2017 B.A.A. Mayor's Cup Partly cloudy throughout the day. 2017	60°/69°	-	49°
2016 B.A.A. Mayor's Cup Clearing in the afternoon. 2016	47°/56°	-	30°
2015 B.A.A. Mayor's Cup Partly cloudy throughout the day with rain in the morning and afternoon. 2015	53°/58°	Light	52°
2014 B.A.A. Mayor's Cup Partly cloudy throughout the day. 2014	54°/56°	-	39°
2013 B.A.A. Mayor's Cup Partly cloudy throughout the day with rain clearing later. 2013	46°/55°	-	35°
2011 B.A.A. Mayor's Cup Becoming cloudy in the afternoon. 2011	49°/56°	-	40°
2010 B.A.A. Mayor's Cup Cloudy skies throughout the day with rain. 2010	51°/57°	-	48°
2010 B.A.A. Mayor's Cup Partly cloudy throughout the day with afternoon rain. 2010	44°/49°	-	31°
2010 B.A.A. Mayor's Cup Partly cloudy throughout the day. 2010	65°/68°	-	53°
2009 B.A.A. Mayor's Cup Partly cloudy throughout the day with early morning rain. 2009	54°/60°	-	40°
2008 B.A.A. Mayor's Cup Clearing in the afternoon with rain clearing later. 2008	56°/63°	-	50°
2007 B.A.A. Mayor's Cup Clear conditions throughout the day. 2007	53°/56°	-	32°
2006 B.A.A. Mayor's Cup Becoming cloudy in the afternoon. 2006	42°/55°	-	28°
2005 B.A.A. Mayor's Cup Cloudy skies throughout the day with a chance of rain throughout the day. 2005	45°/47°	Light	44°
2004 B.A.A. Mayor's Cup Cloudy skies throughout the day with rain. 2004	47°/49°	-	42°
2004 B.A.A. Mayor's Cup Cloudy skies throughout the day. 2004	45°/50°	-	40°
2003 B.A.A. Mayor's Cup Cloudy skies throughout the day with late afternoon rain. 2003	58°/62°	-	57°
2002 B.A.A. Mayor's Cup Partly cloudy throughout the day. 2002	45°/53°	-	38°
2001 B.A.A. Mayor's Cup Partly cloudy throughout the day. 2001	40°/46°	-	29°
2000 B.A.A. Mayor's Cup Clear conditions throughout the day. 2000	46°/54°	-	31°
1999 B.A.A. Mayor's Cup Becoming cloudy in the afternoon. 1999	47°/56°	-	39°
1998 B.A.A. Mayor's Cup Partly cloudy throughout the day. 1998	59°/70°	-	41°
1997 B.A.A. Mayor's Cup Partly cloudy throughout the day with late afternoon rain. 1997	39°/46°	-	32°
1996 B.A.A. Mayor's Cup Partly cloudy throughout the day. 1996	53°/58°	-	43°