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Forecast: Sunny For Now; Weekend Looks Rainy

BOSTON — Weekends are the best part of summer, as they bring about the chance to enjoy the warm and hopefully dry weather.

It is difficult to get a rainy day in July and early August is similar. The heart of summer just isn’t normally the time of year when storms bring a day of rain.

This summer is different, however. We’ve had a few days of rain this month including, of course, the memorable Fourth of July tropical system. The good news is these rainy days have not occurred on the weekend.

The bad news is, I feel like our lucky streak is about to run out. The flow in the upper levels of the atmosphere is going to be amplified enough to span a small storm along the coastline this weekend. As the system moves north, it will bring a period of rain showers to parts of the area. The most likely areas to have little or no sun will be south of Boston. The further south and closer to the coast you are, the better chance you have of getting caught in the rain.

If you are looking for sunshine, you might have to go into western Maine this weekend. But, even in that area, there is a chance of showers. There is a stronger likelihood of rain and cool temperatures in the Cape Cod region.

The weather could still change. It’s only Wednesday and systems predicted four days in advance can vary enough to impact the forecast. It’s unlikely to be a sunny, dry warm weekend, but it’s not written in stone who will have a washout.

We do see improvements next week, and there might be some heat in the extended outlook sometime about a week from now.

Wednesday: Sunny with a high in the upper 70s.

Wednesday night: Partly cloudy and comfortably cool. Lows in the upper 50s to lower 60s.

Thursday: Lots of sunshine and warm with highs in the lower 80s.

Friday: A blend of clouds and sunshine. highs in the lower 80s. There is the chance of a thunderstorm in the afternoon. It will be a bit more humid.

Saturday: Cloudy to the west, with a chance of showers in Boston and rain likely further south of the city. Highs in the 70s.

Sunday: More clouds and a risk of showers. Highs in the 70s.

Follow updates from David Epstein on Twitter @growingwisdom.

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