The first full week of May will bring a small variety of weather, but no big storms, big cold or big heat.  Today was another variable day with periods of sunshine, showers and gusts of wind.  At one point driving from York to Wells I went from complete sunshine to driving rain.

As the sun set the clouds melted away and will leave us with a chilly night.  I expect temperatures tonight to fall into the 30s in the colder spots and in the lower 40s along the coast.  The overnight lows will continue to be in the 30s over inland areas through Thursday and there might be some frost in the colder valleys.  This is just one more reason to not put out your tender vegetation just yet.

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High pressure, which usually brings nice weather, will be building in from Canada the rest of the week.  As the high gets stronger tomorrow the risk of any showers will diminish to nearly nothing.  I suppose there could be a sprinkle in the mountains, but 99% of us will remain dry.

My pick of the week is Wednesday when we see the most sunshine and temperatures in the 60s.  I would call that day’s forecast ideal for May.

Thursday is also a nice day although not quite as clear as the day prior.  Temperatures will still reach the 60s.

Friday and the weekend are a bit questionable at this point. The chart below represents one of the models ideas of temperature and precipitation through early next week.   Keeping in mind this is just one model, there are a few trends to notice.

First, we remain mostly dry into Friday.  Later Friday and into the weekend showers are back in the forecast. The blue bars represent rainfall and you can see how much is expected by using the key on the right side axis (y-axis).  Also notice temperatures are quite uniform.   Saturday there are dribs and drabs of rainfall not amounting to very much.  Temperatures are cooler with the clouds and scattered showers.

Sunday is a challenge.  Temperatures according to this model spike well into the 60s to near 70!  If this occurs there would even be some humidity in the air.   This model allows the warm air to penetrate into the region and bring a taste of summer.

However, before you break out the beach blanket there is also the chance for showers with the mild air.   

Weekends are very important to many of you during the warmer months so I don’t want to jump the gun and predict either wet and cool or warm and muggy. 

As the week progresses meteorologists will be able to see clearer how the upcoming weekend might unfold.  The question to be answer is where or not the warm and muggy air is powerful enough to make into all of New England and just how far north it comes.   If we do experience a taste of summer later this weekend it’s going to be short-lived as cooler air returns early next week.

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