Marlborough, MA Weather Forecast
Middlesex County, Massachusetts
Live radar, warnings and storm tracking for Marlborough, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in this evening
It is 47°, but the wind is taking it down to 43° on exposed skin. The sky is overcast.
The first rain arrives between 7 PM and 8 PM, with the best chance of it around 3 AM. That leaves a usable window outdoors until about 7 PM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Wet through the window, then cooler and clearing
The wet part of the window runs from about 7 PM to 5 PM, 21 hours of it, with the highest chance near 3 AM. Total accumulation over the window comes to about 0.68 in.
It tapers off after 5 PM. The overnight low settles near 35°. Tomorrow reaches 42°, 8° cooler than today. The humidity goes with it: tomorrow is the more comfortable half of this window, and the safer one for anything outdoors.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
28–60°F across the weekThe week runs between 28° and 58°, with Wednesday the warmest day of it. There is no real trend across it: one day looks much like the next. Tomorrow is the wettest day, peaking near 90%. 5 of the 7 days stay dry.
Free alerts for Marlborough
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Marlborough, MA at a glance
Marlborough is home to about 41,179 people in Middlesex County, across 21 square miles. It ranks 38th by population of 283 places in Massachusetts with a forecast here. The nearest neighbour with its own forecast is Hudson, 3 miles away.
- County
- Middlesex County
- Population
- 41,179 2023 est.
- Land area
- 21 sq mi
- People per sq mi
- 1,974
- Forecast point
- 42.3496°N, 71.5472°W
How well can the network see Marlborough?
The nearest Doppler radar is KBOX (Boston, MA), to the SE. Its lowest scan passes about 2,200 ft above Marlborough. Close enough to see rotation in the low part of a storm, where tornadoes form. Marlborough is closer to its radar than 64% of US cities.
The closest weather station is KBED (Bedford/Hanscom Fld). Far enough that current conditions for Marlborough are a reading from somewhere else.
Forecasts near Marlborough
- Hudson, MA3 mi
- Southborough, MA4 mi
- Berlin, MA5 mi
- Northborough, MA5 mi
- Stow, MA6 mi
- Framingham, MA6 mi
- Westborough, MA7 mi
- Bolton, MA7 mi
Elsewhere in Massachusetts
BostonWorcesterSpringfieldCambridgeLowellBrocktonAll Massachusetts forecasts →

