Today was one of those perfect summer days. There was 100 percent of the available sunshine, a light breeze from time to time, very low humidity with dewpoints in the mid 40's this afternoon, and warm highs inland, around 80, to a nice seabreeze at the shore, lower 70's. It doesn't get much better than this. Thankfully, September is filled with these exact kind of days here in the Boston area, so we have that to look forward to. Some of the best beach days are in September here in SNE. We get warm temperatures, the ocean temperatures are at their warmest, usually peaking into the lower 70's, and no crowds because everyone is at school. However, tomorrow will not be one of those great SNE beach days. The water will be warm, but it will be very cool at the beaches and rain will fall throughout the entire day, from morning until night. The heaviest of the rain will fall in western and far southern New England, but we here in eastern New England will get into the action as well.
However we will pay for this perfect weather tomorrow. That storm will affect all of SNE tomorrow with a plain old fashioned rainstorm. It will be pretty much raining from the time you wake up until the time you get home from the evening rush. The rain will push into parts of western New England early in the morning, likely between 6AM-8AM. Then it will push eastward and be in the Boston area by 10AM. The rain will get heavier later into the early afternoon. Temperatures will drop in the afternoon with a raw NE wind. High will likely be early in the morning, mainly in the lower to mid 60's. By 4-6PM, temperatures will drop into the upper 50's and it will feel very fall-like.
In the dark green area, a good 1-2"(+) is likely. This is much needed rain for parts of SNE, as some areas have really gotten jipped the past few times that we have had localized rainfalls, mainly because of the scattered nature of thunderstorms. The Cape could really use some rainfall. It does look they will finally get some and it will be a soaking rainfall. Its official, Friday will be a washout in SNE. If you have any plans outdoors, expect to get wet and if you can't, you probably will have to resort to Plan B or cancel your plans alltogether. Don't worry though, Saturday will be better and as you can see in the extended forecast we will bask under partly cloudy skies and temperatures in the upper 70's.