Apr 28, 2016 11:44 PM

NH1 Weather Insider with Joe Joyce: April 29, 2016

NH1 Chief Meteorologist

NH1 Weather Insider with Joe Joyce: April 29, 2016 | NH1

Our weather is still being controlled by an upper level low in Northeast Canada. This trough continues to supply cooler air in from Canada into New England for the next several days, even though afternoon highs will gradually start to moderate. Once again, the day is starting off cool near freezing at dawn. Clouds have increased during the overnight as scattered light rain showers are tracking south of New Hampshire along a stalled front south of New England. Winds have shifted to the NE. This onshore wind will keep it cooler in the 40's to near 50 at the coast today. Inland will be in the 50's near 60 in western New Hampshire by afternoon. Today will not be as beautiful as it has been. In fact, clouds are backing in off the water and most of the time we will have more clouds than sun on this Friday. Breaks of sun will be possible, but be advised...plenty of clouds are in the forecast with the cooler wind direction.

High pressure will be shifting off the coast and set up to the east northeast of New England this weekend. This will continue to wrap in a cool onshore wind direction promising to keep the beaches cooler through the weekend. The High will flex it's muscle Saturday helping to break up the clouds with more in the way of sunshine and warmer temperatures inland with highs near 60-65, Lwr-mid 50's at the coast. Saturday will be the pick of the weekend. We will still have to watch for mid level clouds backing in off the water during the afternoon.

The upper Low in Canada which has help to to supply the cooler dry air of the past few days is weakening and shifting east. This NW flow aloft helped to steer weather disturbances away from New England. With it's departure, the window is opening up for rain to enter the Northeast/ New England. Another wave of low pressure will track towards the Ohio Valley and Mid-Atlantic Sunday. High pressure off the coast will supply the low level chill. Showers and rain will be spreading into New Hampshire Sunday with highs only in the Lwr 50's and 40's at the coast. It will be a damp raw day. The periodic rain and damp cool condition will likely last through Monday with temperatures stuck in the 40's.

Temperatures will start to warm back up into the 60's by the middle to end of next week, with another cool shot of air expected next weekend. After that cool shot lifts out, that really should be the end of the cooler air. It will be exhausted, and May will get busy warming across the nation in a hurry. Then we will be left with cooling sea breezes to be the warming spoiler. April will go down as the first below normal month we have had since last June! Hard to complain after such a mild stretch!


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