Another fine morning will lead us into a super afternoon. It will be quite hot with temperatures in the 80s everywhere. You will find temperatures on the lower end of the range at the water and the upper end inland. Humidity will be moderate but not excessive, that is coming tomorrow. A front will move eastward during Wednesday. The first signs of this front will be some clouds showing up on the horizon later this evening. Shower will develop Wednesday, but much of the morning and early afternoon should end up rain free. We are not looking at widespread rainfall. The front will be slow to leave Thursday and therefore I am not expecting rapid clearing. The best weather Thursday will be over the western parts of New England with the most clouds east. Got a question about weather or gardening ask me on Twitter at @growingwisdom
We are about to flip to the other side of August and weather wise this means changes. Now, it's not as if fall is going come in on the 16th of the month, but daylight is rapidly diminishing and this will have profound affects on our weather. In northern Canada there is a small town called Resolute. Since May, Resolute has enjoyed 24 hours of daylight. In the next 15 days they will lose over 7 hours of that light and by mid-September sunrise and sunset will grow closer together for a loss of another 5 hours. The loss of the sun means temperatures will cool there as well as across the rest of the northern parts of our hemisphere. I am fascinated by Resolute. Temperatures today are in the 30s with periods of cold and snow. Although it may still warm into the 40s this month, the temperature trend is heading lower. You might ask, what the heck does that have to do with us? As colder air builds to the north it will be help to push the jet stream further south. As the jet stream moves south, our air cools, we lose humidity and we generally get a bit stormier. It takes, depending on the year, about 8 to 10 weeks for that jet stream to move more permanently into our area. Once that happens fall and even winter arrive. Last year, the jet stream rarely moved south but this winter I expect that to not be the case. More on the winter forecast in the next couple of weeks.
Next few days
The air has turned less hot across the Mid-West the past few days and this trend will continue in that part of the country. For the northeast, our weather will change several times in the next 5 days. Today will be sunny and dry. Tomorrow we bring back the clouds and humidity. Showers break out in scattered fashion for the afternoon Wednesday and tomorrow night. Temperatues will be in the 70s and 80s. Thursday is a transtional day with clearing moving easward reaching the outer Cape in the afternoon. Friday is another hot day with inland highs near 90F. Friday is also a great day to head to the water.
I can't commit to whether the weekend is cloudy with showers one or both days. We are going to have a weather system in the area to start the weekend. I don't believe that either day will be a washout, but I am not expecting either day to be like today. However, there are still many days till the weekend the forecast will change. As you saw last weekend, putting showers in the forecast can still leave enough hours in the day for some great weather. It will not be hot over the weekend, but seasonable with temperatures around 80F.
Gardening this week
Mid-August starts to allow gardeners to make some changes in the garden. Over the next few weeks you can begin to move perennials, reseed the lawn and dig up some shrubs. If the heat is still extreme, wait until the hot weather passes before starting your late summer and fall projects.
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