Boston weather
Loading live data…Partly cloudy,rain likely tomorrow
NWS, the American and the European model agree on a high near 70° in Boston today. Tomorrow looks drizzle around 67°, with a 90% chance of rain.
The weather map: all three models at once
NWS, American, European side by side around Boston and nearby towns.Live rain radar →Next 14 hours
consensus of the three models14-day forecast
where the models agree, and where they splitBoston, MA. Below we compare what NWS, American, European forecast for Boston right now and flag exactly where they disagree, then break down Boston's weather month by month and which forecast model has been most accurate here.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.
Boston weather by month
what to expect in Boston through the yearHere is Boston's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to Boston by season.
What Boston's weather is like through the year
Boston runs from warm summers, with July highs near 84°F, to cold winters, when February lows sit around 25°F (a swing of about 59°F across the year). January is usually the wettest month, and Boston sees roughly 51 inches of precipitation annually. Overnight lows stay below freezing across 3 months (January, February and December), so Boston sees regular winter snowfall.
Best time to visit Boston
The most comfortable time to visit Boston is usually May, June, September and October, when daytime highs sit in the pleasant 60-78°F range and the heaviest January rain is behind you.
Which forecast is most accurate in Boston?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.
Bottom line: over the last 30 days the European model has been the most accurate forecast for Boston, scoring 88/100 on our CheckWeather Score, ahead of the American at 70. See the full US accuracy scoreboard for exactly how every model is tested.
Where the models disagree
temperature and rain, judged separatelyThe models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.