Waves of Rain and Snow Move Through Boston on Sunday

Wet weather and chilly temperatures expected for the upcoming week.

Apr. 19, 2026 at 10:00am

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A vast, atmospheric landscape painting in muted tones of gray, blue, and white, with a small structure barely visible through the heavy fog, conveying the overwhelming scale and power of the natural environment.The looming presence of a cold, wet weather system casts a somber mood over the Boston region, as residents brace for a week of below-average temperatures and unsettled conditions.Boston Today

A rainy and unsettled weather pattern is forecast to move through the Boston area on Sunday, with the possibility of some snow showers in the higher elevations. The wet weather is expected to taper off by the evening, but temperatures will remain below average for the rest of the week.

Why it matters

The wet and cool weather could impact outdoor activities and events in the Boston area, including the upcoming Boston Marathon on Monday. Runners and spectators will need to prepare for chilly temperatures and the potential for rain showers during the race.

The details

Sunday's weather will feature waves of rain showers throughout the day, with the possibility of some snow mixing in at higher elevations. While Boston is only expected to see around 0.25 inches of additional rainfall, the region has been abnormally dry so far this year, running a 5-inch deficit since January. Temperatures on Sunday will struggle to reach 50 degrees, and the cool, blustery conditions are expected to continue through the week.

  • The rain and snow showers are expected to taper off by Sunday evening.
  • Morning temperatures on Marathon Monday will be in the upper 20s to low 30s, a significant drop from the warm weather last week.
  • Temperatures are forecast to remain below average through the week, with highs only reaching the low 50s on Tuesday.

The players

Boston, Massachusetts

The city where the wet and cool weather is expected to impact upcoming events and activities.

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What’s next

Runners and spectators for the Boston Marathon on Monday should prepare for chilly temperatures and the possibility of rain showers during the race.

The takeaway

The unsettled weather pattern moving through the Boston area on Sunday and into the week ahead will require residents and visitors to adjust their plans and dress appropriately for the cool, wet conditions.