Boston, October 21, 2025
News Summary
Greater Boston is bracing for a week of unsettled weather, beginning with a Monday storm bringing heavy rain, gusty winds, and lightning. Early morning conditions will be particularly challenging for commuters, with additional rain expected on Wednesday. Residents are advised to secure outdoor items and prepare for travel delays.
Boston
Greater Boston is facing a series of storms and unsettled weather this week, with a Next Weather Alert in effect for Monday’s storm and heavy rain, gusty winds and lightning possible in some areas. The most significant impacts are expected early Monday into the late morning commute, with a secondary, weaker disturbance arriving on Wednesday morning that could affect the midweek commute.
What to expect Monday
The initial round of heavy rain will move east from Western Massachusetts beginning between 6-7 a.m. on Monday and continue into the late morning. Heavy downpours and gusty winds are forecasted for some parts of Massachusetts on Monday, and lightning is possible during the morning on Monday. Strong winds are anticipated, especially in the first part of Monday, with gusts up to 45 mph on Martha’s Vineyard and 35 mph in Boston around noon. The heavy rain and potential thunderstorms will likely move offshore with some drying expected in the afternoon. The all-clear from the storm is expected during the Monday evening commute and into Tuesday.
Tuesday and midweek
Showers will clear out Monday night, with temperatures dropping to the mid-40s. Partly cloudy skies will prevail until early Tuesday morning, followed by sunny weather. Afternoon temperatures on Tuesday will reach the mid-60s. A second, weaker weather disturbance is anticipated on Wednesday, bringing less than half an inch of rain. Wednesday’s rain is expected to clear by 11 a.m. Another round of rain is forecasted for Wednesday morning, impacting the morning commute and prompting a new weather alert. After Wednesday, the weather is expected to be drier and cooler, with highs in the 50s for the remainder of the week.
Advice for residents
Residents should secure loose items ahead of the downpours on Monday morning and plan for travel delays during the affected morning hours. Heavy rain will originate from Western Massachusetts, beginning between 6-7 a.m. on Monday, and will move eastward into late morning. The heavy rain and potential thunderstorms will likely move offshore with some drying expected in the afternoon. The all-clear from the storm is expected during the Monday evening commute and into Tuesday.
Key facts
Below are the key reported facts for quick reference:
- After initial wet weather, more rain is expected in the Greater Boston area this week.
- Showers will clear out Monday night, with temperatures dropping to the mid-40s.
- Partly cloudy skies will prevail until early Tuesday morning, followed by sunny weather.
- Afternoon temperatures on Tuesday will reach the mid-60s.
- A second, weaker weather disturbance is anticipated on Wednesday, bringing less than half an inch of rain.
- Wednesday’s rain is expected to clear by 11 a.m.
- Cooler temperatures will settle in for the remainder of the week, with highs in the 50s.
- Heavy downpours and gusty winds are forecasted for some parts of Massachusetts on Monday.
- Lightning is possible during the morning on Monday.
- A Next Weather Alert has been issued for Monday’s storm.
- Strong winds are anticipated, especially in the first part of Monday, with gusts up to 45 mph on Martha’s Vineyard and 35 mph in Boston around noon.
- Residents are advised to secure loose items ahead of the downpours on Monday morning.
- Heavy rain will originate from Western Massachusetts, beginning between 6-7 a.m. on Monday, and will move eastward into late morning.
- The heavy rain and potential thunderstorms will likely move offshore with some drying expected in the afternoon.
- The all-clear from the storm is expected during the Monday evening commute and into Tuesday.
- Another round of rain is forecasted for Wednesday morning, impacting the morning commute and prompting a new weather alert.
- After Wednesday, the weather is expected to be drier and cooler.
Background
The sequence of systems begins with a stronger low-pressure disturbance bringing widespread rain and embedded thunderstorms from western to eastern parts of the state on Monday morning. A weaker midweek system will produce lighter precipitation Wednesday morning, followed by a cooler, drier air mass for the latter part of the week. Gusty onshore and coastal winds will enhance impacts at exposed locations, notably Martha’s Vineyard and parts of the Boston shoreline.
Travel and safety considerations
Motorists should allow extra travel time Monday morning and consider alternate routes if flooding or fallen debris is reported. Secure outdoor furniture, trash cans and other loose items before the onset of strong winds and heavy rain. If thunder or lightning occurs, move indoors and avoid exposed areas. Monitor official advisories and alerts during the active periods Monday morning and Wednesday morning.
FAQ
Q: What is expected in the Greater Boston area this week?
A: After initial wet weather, more rain is expected in the Greater Boston area this week.
Q: When will showers clear out and what are the temperatures?
A: Showers will clear out Monday night, with temperatures dropping to the mid-40s.
Q: What is the forecast for Tuesday?
A: Partly cloudy skies will prevail until early Tuesday morning, followed by sunny weather. Afternoon temperatures on Tuesday will reach the mid-60s.
Q: Is there another system later in the week?
A: A second, weaker weather disturbance is anticipated on Wednesday, bringing less than half an inch of rain. Wednesday’s rain is expected to clear by 11 a.m.
Q: What are the conditions after Wednesday?
A: Cooler temperatures will settle in for the remainder of the week, with highs in the 50s.
Q: What hazards are expected Monday?
A: Heavy downpours and gusty winds are forecasted for some parts of Massachusetts on Monday. Lightning is possible during the morning on Monday. A Next Weather Alert has been issued for Monday’s storm. Strong winds are anticipated, especially in the first part of Monday, with gusts up to 45 mph on Martha’s Vineyard and 35 mph in Boston around noon. Residents are advised to secure loose items ahead of the downpours on Monday morning.
Q: When will the heavy rain begin and move offshore?
A: Heavy rain will originate from Western Massachusetts, beginning between 6-7 a.m. on Monday, and will move eastward into late morning. The heavy rain and potential thunderstorms will likely move offshore with some drying expected in the afternoon. The all-clear from the storm is expected during the Monday evening commute and into Tuesday.
Q: Will Wednesday impact the commute?
A: Another round of rain is forecasted for Wednesday morning, impacting the morning commute and prompting a new weather alert.
Q: What is the overall outlook after these events?
A: After Wednesday, the weather is expected to be drier and cooler.
Quick reference table
| Timeframe | Expected conditions | Impacts / Advice |
|---|---|---|
| Monday morning (6-11 a.m.) | Heavy rain, possible thunderstorms, lightning | Allow extra travel time; secure loose items; expect strong winds |
| Monday noon – afternoon | Gusty winds (up to 45 mph on Martha’s Vineyard, 35 mph in Boston); drying trends | Coastal areas exposed to gusts; check for downed branches |
| Monday night – Tuesday | Clearing showers; lows in mid-40s; Tuesday highs mid-60s | Improving conditions; normal travel |
| Wednesday morning | Weaker disturbance; less than half an inch of rain; clears by 11 a.m. | Morning commute may be impacted; monitor alerts |
| After Wednesday | Drier and cooler; highs in the 50s | Plan for cooler conditions |
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Additional Resources
- NBC Boston: Rainfall Update
- Boston Herald: Upcoming Weather
- CBS News: Boston Weather Report
- Patriot Ledger: Weekend Weather Outlook
- WHDH: Weather Alerts for Monday
- Wikipedia: Weather
- Google Search: Boston Weather Forecast
- Encyclopedia Britannica: Weather
- Google Scholar: Boston Weather Patterns
- Google News: Boston Weather
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