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Boston Weather: 37.0°F | Partly Cloudy

Weather: Rain and Shine

By Bill Ramstrom
STAFF METEOROLOGIST

After Thursday’s near-perfect weather, we now must endure one of New England weather’s abrupt changes to cool and cloudy for today. It looks like Saturday will be the best day this weekend for outdoor plans. Skies should clear during Saturday morning after tonight’s showers and drizzle, though more clouds are possible by Sunday morning. Temperatures will be returning to more normal levels of about 53°F (12°C). On Sunday, temperatures will be somewhat warmer, but with a chance of showers by afternoon as a storm system moves across New York and Pennsylvania in our direction.

As is usual in Boston during the Spring, when winds come in off the still-cool ocean, where water temperatures still hover near 40°F (4°C), we experience chilly, drizzly conditions. While the land mass can warm quickly, as we saw with yesterday's high of 76°F (24°C), the oceans, with their very high heat capacity, take much longer to warm. As Cape Cod beach-goers are well-aware, water temperatures don’t even reach into the 60’s until mid to late June of most years. The oceans generally reach their warmest temperatures in August, which, not coincidentally, marks the beginning of the most active part of hurricane season.

Today: Cloudy and cooler. High 56°F (13°C).

Tonight: Drizzly, with a chance of showers. Low 43°F (6°C).

Saturday: Becoming sunny with a cool northerly breeze. High 49°F

(9°C).

Saturday night: Chilly. Low 37F° (3°C).

Sunday: Clouding up during the day. Showers by late afternoon. High

59°F (15°C).

Outlook for Monday: Sunny and pleasant. High 55°F (13°C).