Boston weather, explained by a local pattern
Boston winters are defined by the nor'easter — coastal storms that can dump a foot of snow and flood the harbor — while summers are warm with humid stretches broken by cold fronts and their thunderstorms. The sea breeze can make Fenway 10 degrees cooler than the suburbs. Fall is long, crisp, and the safest season to plan anything outdoors.
How to use this page
The verdict above reads the next 12 hours of official National Weather Service hourly data for central Boston and reduces it to one answer. The bar chart underneath shows the precipitation probability hour by hour — taller and bluer means wetter. A quick reading guide: probabilities under 25% are generally safe to plan through, 40% and above during your specific window deserves a plan B, and any active NWS alert (which appears automatically above the chart) outranks everything else on this page.
Conditions can differ across the metro, so for your exact neighborhood — and to check a specific date and time instead of right now — use the ZIP code checker, which also finds your longest dry window of the day. For a deeper read on what these percentages actually mean, see our guide: What does a 40% chance of rain actually mean?