Forecast: Warmer Today, Cool, Wet Start To The Weekend

We continue to be right on the edge of the divide between cool marine air and warm, summer-like temperatures. It looks as though this boundary will remain a player in our forecast over the next several days, including both Saturday and Sunday.

While there are a few showers south of Boston this morning, most of the steady rain remains over the Mid-Atlantic region. I'm not expecting much in the way of rainfall until Saturday, when showers are likely.

Today warmer air over the Midwest will rise up and over the cloudiness to the south of us. This will bring temperatures this afternoon from the 70s to perhaps around 80 over inland spots. The south coast, Cape and the Islands will see readings in the 60s to near 70.

Tomorrow we go back into the cool air, with temperatures staying in the 50s all day and I do expect an increase in cloudiness.

Saturday looks rainy, with temperatures in the 50s. If you have outdoor plans on Saturday that require it to be dry, you may want to think about moving them. It doesn't mean it will be raining every minute of the day on Saturday, but when it does rain, there could be some heavy downpours, and there is the chance of thunderstorms, although they won't be strong.

On Sunday the air will have a tropical feel, with humidity and temperatures in the mid-to-upper 70s. There may be some tropical downpours but a lot of the day is going to be dry.

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Thursday: Thicker clouds south. Sun and clouds north. Best weather in the afternoon. Highs 75-80. Cooler Cape Ann/Cape Cod.

Thursday Night:  Partly cloudy and cool. Lows 50-55.

Friday: Clouds, some sun, a shower. Highs 55-60.

Saturday: Cloudy with showers. 53-58.

Sunday: Warmer and muggy. Clouds, some sun a few showers. Highs 73-78.