BOSTON (CBS) — Our temperatures keep going up as we lead into Marathon Monday! The sunshine will rule the forecast, but a sea breeze will make things a little interesting along the course.

First to today’s forecast, another picture-perfect day!  Sunny with an afternoon sea breeze.  Temps inland in the mid 60s to lower 70s.  Low to mid 50s along the coast, Cape & islands.

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(WBZ-TV graphic)

(WBZ-TV graphic)

Marathon Monday will be even warmer, but a sea breeze again will cool temps along the coast.  There will be a big difference in temps and even wind direction along the course.

Hopkinton – 8:50 a.m.

This is the start time for mobility impaired participants.

Temperatures will be around 58 degrees and climbing very quickly thanks to a clear sky, with a north wind 5-to-10 mph.

Hopkinton – 10 a.m.

Elite participants and the first wave of runners start the Boston Marathon.

Sunny & warm. A north wind of 5-to-15 miles per hour will be blowing with temps near 63 degrees.

Hopkinton – 11:15 a.m.

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The final wave of runners leaves the starting line.

Sunny skies and very warm temperatures with winds remaining 5-to-15 miles per hour and temperatures climbing to 68 degrees.

Boston – Noon

Elite runners will begin nearing the finish line on Boylston Street.

Sunny, warm, and temperatures near 64 degrees thanks to a sea breeze.


Between Noon and 4 p.m. as the runners travel from Hopkinton to Natick to Newton and beyond, mainly sunny skies will remain.

North winds ranging from 5-15 MPH changing to an easterly wind 5-10 mph as you approach Boston.  Temperatures between 70-to-76 degrees, falling to around 60 as you reach the finish line!

(WBZ-TV graphic)

(WBZ-TV graphic)

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Good luck to all the runners!