BOSTON (CBS) – This is definitely one of those good news/bad news forecasts.

Actually, for those other than the 30,000 folks running 26.2 miles on Monday, and winter lovers like our own Barry Burbank, the news isn’t just good – it is great!

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Marathon Monday Forecast

Nearly wall-to-wall sunshine is expected through the weekend and into Marathon Monday with temperatures climbing to 60 (inland) on Sunday and 70+ just about everywhere on Monday.

(WBZ-TV Graphic)

(WBZ-TV Graphic)

Spring has officially sprung.

The Bad News

For those running in the 120th Boston Marathon on Monday, it is going to be very warm.

In fact, Monday will likely be the warmest day since we hit a whopping 77 on March 9.

(WBZ-TV Graphic)

(WBZ-TV Graphic)

Temperatures in the 70s may be ideal for spectators and Red Sox fans at Fenway Park, but for most runners it is a solid 20 degrees over the “perfect” running temperature.

This year’s marathon will likely be the second warmest marathon in recent memory, surpassing the 2014 race when highs topped out at 69 in Boston. This year will fall well short of the 87 scorching degrees back in 2012.

Let’s take you through the race, mile by mile…

Hopkinton – 6 a.m.

The sun rises over the Hopkinton Green and there will be a little chill in the air.

Temperatures will bottom out around 38 degrees under clear skies.  Winds will be very light.

Hopkinton – 8:50 a.m.

This is the start time for mobility impaired participants.

Temperatures will be around 53 degrees and climbing very quickly, with wind 5-10 MPH out of the west. Clear skies are expected.

Hopkinton – 10 a.m.

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

Skies will be sunny and temperatures warm. A west-southwest wind of 5-15 MPH will be blowing with temps near 58 degrees.

Hopkinton – 11:15 a.m.

The final wave of runners leaves the starting line.

Sunny skies and very warm temperatures with winds remaining 5-15 MPH and temperatures climbings to 65 degrees.

Boston – Noon

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

Sunny, warm, and temperatures near 68 degrees.

Along The Course

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

West-Southwest winds ranging from 5-20 MPH (generally a tail wind), and temperatures between 70-76 degrees.

Other Marathon Monday Events

So, headed to the beach on Monday?  Looks great.

Headed to the Red Sox game at 11 a.m.?  Looks great.

Sitting in a lawn chair along the Marathon route?  Looks great.

Running 26.2 miles? Not ideal. Stay hydrated, good luck!

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