Boston Weather Forecast: Showers to Clear Just in Time for Memorial Day Celebrations

Rain Starts the Weekend, But Sunshine Is on the Way

As Boston kicks off the Memorial Day weekend, residents are waking up to spotty rain showers and overcast skies. The National Weather Service reports light rainfall across the city, with temperatures staying mild around 66°F (19°C).

Fortunately, the weekend won’t stay gloomy for long. A high-pressure front from the Midwest is forecasted to move in by late Saturday evening, ushering in clearer skies and warmer temperatures just in time for holiday festivities.

Day-by-Day Forecast for Boston

Here’s a quick overview of the Boston Memorial Day Weekend 2025 forecast:

• Saturday, May 24:
  Conditions: Mostly cloudy with off-and-on light rain showers.
  High/Low: 66°F / 54°F
  Wind: Light NE breeze at 5–10 mph
• Sunday, May 25:
  Conditions: Partly sunny. Cloud cover reducing by afternoon.
  High/Low: 72°F / 56°F
  Rain chance: Less than 10%
• Memorial Day Monday, May 26:
  Conditions: Bright and sunny all day. Perfect for outdoor events.
  High/Low: 76°F / 58°F
  UV Index: High — sunscreen recommended

Planning Outdoor Activities? Here’s What to Know

With the rain expected to clear by Sunday morning, parks, outdoor attractions, and Memorial Day parades across Boston are set to proceed under favorable conditions. Here are some planning tips:

• Saturday: Keep an umbrella or light rain jacket handy.
• Sunday & Monday: Wear light, breathable clothing and sunglasses.
• Picnic Tip: Boston Common and Charles River Esplanade are likely to be busy on Monday — arrive early to grab a good spot.

Traffic & Travel: Expect Crowds and Delays

Holiday weekends often bring increased travel across Massachusetts. According to MassDOT, traffic volume is expected to spike Sunday afternoon and Monday evening.

Tips for drivers and travelers:

• Use real-time GPS apps like Google Maps or Waze to avoid traffic bottlenecks.
• If using MBTA services, check for holiday schedules and limited routes.
• Consider walking or biking if you’re staying in the city center.

What Meteorologists Are Saying

According to meteorologists from CBS Boston and WHDH 7 News, Boston’s Memorial Day weekend will offer classic spring-to-summer transition weather. After a wet Saturday, temperatures will rise steadily, making Monday ideal for remembrance events, beach outings, or backyard gatherings.

“It’s shaping up to be a great weekend — just a little patience required today,” said WBZ’s Chief Meteorologist Eric Fisher.

Why This Matters for Memorial Day

Memorial Day holds national significance, and for many, it’s a time for reflection, community gatherings, and family traditions. Good weather makes it easier for residents and tourists to participate in parades, cemetery visits, and veterans’ events around the city.

Boston is expected to host various tributes on Monday, including ceremonies at the Soldiers and Sailors Monument in Boston Common and a parade through Dorchester.

Fun Fact: Boston’s Wettest Memorial Day?

While this year’s rain is mild, Memorial Day 2015 saw Boston drenched with 1.5 inches of rain, leading to several canceled outdoor events. In contrast, 2025 looks to be mostly dry and sunny, especially for Monday.

Summary: Your Boston Memorial Day Weather At a Glance

• ☔ Saturday: Light rain, cooler temps
• ⛅ Sunday: Clouds decreasing, mild temps
• ☀Monday: Sunny skies, highs near 76°F

Whether you’re honoring fallen heroes, exploring Boston’s rich history, or simply enjoying a family BBQ, the weather will be on your side by the weekend’s end.