Sabrina Ullman: Mild start to the week before cold air arrives.

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Today will be cloudy with an east-southeasterly wind of 5-10 mph. Afternoon highs will be in the fifties close to the North Shore and in the sixties to low seventies elsewhere.

A few passing showers are possible this evening. Overnight lows will be in the upper forties to low fifties.

Our week begins with temperatures mostly in the sixties, but a cold front Wednesday night will result in afternoon highs only reaching the forties for the remainder of the week.

Sunday

A chance of showers or sprinkles before 1pm, then a chance of sprinkles after 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 59. East wind around 5 mph. Chance of precipitation is 30%.

Monday

Partly sunny, with a high near 69. South wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday

A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 67. Southwest wind around 5 mph.

Wednesday

A slight chance of showers after 1pm. Partly sunny, with a high near 62. Northwest wind 5 to 10 mph.

Thursday

A slight chance of showers before 1pm. Partly sunny, with a high near 45. Breezy, with a north wind 10 to 15 mph, with gusts as high as 25 mph.

Friday

Mostly sunny, with a high near 47. West wind around 5 mph, with gusts as high as 15 mph.

Saturday

Partly sunny, with a high near 48. West wind around 10 mph, with gusts as high as 20 mph.