Cold start to weekend ahead of Sunday rain

Saturday in Boston stays cool with partial sunshine before rain arrives Sunday.

Apr. 17, 2026 at 11:34pm

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A sweeping, atmospheric landscape painting depicting a heavy rainstorm moving across the Boston skyline, with the iconic Prudential Center tower partially obscured by the stormy weather and dramatic lighting.A dramatic storm system moves across the Boston skyline, underscoring the power of nature and the unpredictable weather conditions that can impact major events in the city.Boston Today

The Boston area is in for a chilly start to the weekend, with temperatures mainly stuck in the 50s on Saturday. Patchy fog is expected early Saturday morning, but the day will be mostly cloudy to overcast. Sunday, however, will see rain move in early in the morning and continue throughout the day, with the potential for some wet snow in the Berkshires and ski country. The rain is expected to taper off by Sunday evening, leading to a cooler but dry Marathon Monday.

Why it matters

The cold and rainy weather could impact outdoor activities and events in the Boston area over the weekend, including the BAA 5K race on Saturday and the Boston Marathon on Monday. Runners and spectators will need to bundle up and prepare for the changing conditions.

The details

On Saturday, temperatures will mainly be in the mid to upper 50s, with patchy fog early in the morning. The day will be mostly cloudy to overcast, with a few breaks of sunshine possible in the early afternoon hours. Sunday will see rain move in as early as 7-8 AM, continuing throughout the day. While it won't be a heavy rain event, the Berkshires and ski country may see some wet snow mixed in. The rain is expected to taper off by 8 PM Sunday evening.

  • On Saturday morning, patchy fog is expected early on.
  • Rain is forecast to move in as early as 7-8 AM on Sunday and continue throughout the day.
  • The rain is expected to taper off by 8 PM on Sunday evening.

The players

Boston Marathon

The annual Boston Marathon is a prestigious running event that takes place in the Boston area every Patriots' Day.

BAA 5K

The BAA 5K is a running event that takes place in Boston the weekend before the Boston Marathon.

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The takeaway

The cold and rainy weather over the weekend could present challenges for outdoor events and activities in the Boston area, including the BAA 5K race on Saturday and the Boston Marathon on Monday. Runners and spectators will need to prepare for the changing conditions and dress appropriately.