Boston 10-Day Forecast: Frosty Start, Rain Midweek

BOSTON A chilly, frosty Sunday morning gives way to a mild, mostly dry stretch in Boston, with the main chance of steady rain arriving midweek, according to a 10-day forecast from NBC's First Alert Weather team.

This Week

Sunday begins with patchy frost, with a low of 36 and a sunny high of 53. Anyone heading out early, including spectators at the Head of the Charles, shown on the graphic, should dress warmly.

Monday brings coastal sprinkles, with temperatures from 41 to 57. Tuesday looks partly cloudy and the mildest day of the week, with a high of 59 and a low of 47.

Wednesday is the day to watch. Rain is expected late, with a high of 54 and a low of 48, the warmest overnight low in the forecast.

Thursday returns to partly sunny skies, ranging from 45 to 57, and Friday is sunny, with a high of 56 and a low of 46.

Next Weekend and Beyond

Saturday looks hazy to partly sunny, with a high of 55 and a low of 42. Isolated showers are possible on Sunday, with temperatures between 42 and 58.

The warmest days come at the end of the forecast. Monday reaches 61, the highest of the 10 days, and Tuesday follows at 60, with lows in the mid-to-upper 40s.

What to Expect

Highs stay between the mid-50s and low 60s, typical of mid-autumn in eastern Massachusetts. Daytime temperatures are comfortable, but mornings can be cold, especially early in the week. Residents should keep a light jacket handy, cover tender plants on frosty nights, and plan for a wet commute Wednesday evening or Thursday morning.

Forecast Caution

Forecasts become less certain the further out they go, particularly for rain timing and coastal showers. Check the National Weather Service or a local forecast for updates and any advisories.

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