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All Systems GO

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WBZ-TV's Barry Burbank

WBZ-TV’s Barry Burbank

MARATHON_ROUTE_FORECASTAll systems are GO for Patriot’s Day activities such as the reenactment of the Battle of Lexington, the Red Sox game at Fenway Park and, of course, the Great Boston Marathon. WBZ-TV is your official Boston Marathon station with live pre-race coverage beginning at 7 am on television and online at CBSBoston.com. Race coverage begins at 9am. The weather will be ideal for all of these events. Daybreak temperatures are in the lower to middle 30s in Lexington and Concord but it should be warmed up to at least 50 in Hopkinton by race time. As the runners proceed along the 26.2 mile course toward Boston, the temperature will continue to rise to 60 by noon and 65-68 by 3pm. The wind will blow up to 6-12 mph from the south-southwest along most of the route so that should be a tail wind in places and a cross-component wind in other places. As the runners arrive in Boston, the wind may be more south-southeasterly meaning that there could be a slight head wind in places and that wind direction means that the temperature could be slightly lower in the range of 58-61 closer to the finish line. Sunshine will be prevalent with a bit of high thin cloudiness visible from time to time.

2013_RPM_12KMLooking ahead, a frontal boundary will be approaching New England on Tuesday but the swath of showers will not arrive until evening so most of the day will be dry with temperatures rising to or slightly exceeding 70 except over Cape Cod and other south-facing coastal locations where 50s to near 60 will be more common. Sunshine will yield to varying amounts of clouds as a south-southwesterly wind freshens to 10-20 mph. As the boundary moves offshore, available energy will produce an intensifying storm in the Canadian Maritimes resulting in a gusty northwesterly wind starting Wednesday and lingering into much of Thursday. Residual moist air means there might be a sprinkle or light shower Wednesday morning with more clouds than sunshine Wednesday afternoon. Thursday will be bright and sunny and both those days will be in the cooler middle to upper 50s. The next boundary will weaken into the region on Friday so there is a slight risk of a shower and the subsequent disturbance has the potential to trigger more widespread showers on Saturday. Other than the 70+ on Tuesday, there is no hot weather heading to this area this month.

Enjoy the Boston Marathon and GOOD LUCK runners!

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