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Boston Weather Mix: Sunny Start, Snowy Finish

Greater Boston, USAFriday, March 13, 2026

Morning:

  • Bright skies, cool air.
  • Mid‑40s daytime temperatures; mid‑30s overnight.

Afternoon:

  • Clouds thickened.
  • Rain/snow mix across the region, especially along/north of the Massachusetts Turnpike.
  • Northern Massachusetts & southern New Hampshire likely to see more snow.

Precipitation:

  • Small amounts overall.
  • Little to no buildup, but untreated roads may be slick.

Winter Weather Advisory:

  • Vermont, Maine & New Hampshire.
  • 11 p.m. Friday – 11 a.m. Saturday.
  • Possible slippery roads & light snowfall.

Saturday:

  • Strong winds, gusts 40–45 mph.
  • Partly cloudy; mid‑to‑upper 40s.
  • Wear hats, watch for gusty conditions.

Sunday:

  • Mostly cloudy; comfortable day.
  • Highs in the 40s.
  • Clear enough for St. Patrick’s Day Parade, South Boston.

Monday (“First Alert”):

  • Powerful frontal system.
  • Heavy rain, winds 45–50 mph from the south.
  • Possible 1–2 inches of rain; minor river flooding risk.
  • Low 60s before cooler air arrives.

Tuesday (St. Patrick’s Day):

  • Upper 40s temperatures.

Wednesday:

  • Cool start (teens–20s).
  • Evening climbs to mid‑to‑upper 30s.

General Advice:

  • Stay alert for changing conditions, especially during commutes.
  • Check local weather alerts & live radar feeds.

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