Massachusetts · NWS BOX office

Marlborough, MA weather

It is 27°F and clear at Laurence G Hanscom Field Airport as of Oct 28, 5:00 AM EDT. Overnight: Clear, low near 31°F. Forecast from the National Weather Service, issued Oct 28, 5:15 AM EDT.

Updated Oct 28, 5:22 AM EDT (snapshot)

Current conditions

Temperature

27°F

Clear

Wind

Calm

Humidity 93% · dew point 25°F

Pressure · visibility

30.47 inHg

Visibility 10 mi

Observed at Laurence G Hanscom Field Airport (KBED), Oct 28, 5:00 AM EDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Marlborough forecast zone right now.

Around the NWS BOX forecast area

No active alerts in zones served by the BOX office near Marlborough.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Massachusetts.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Marlborough (local time)
TimeTempForecastPrecip. chanceWind
Wed 5 AM31°FClear0%N 3 mph
Wed 6 AM31°FSunny0%N 2 mph
Wed 7 AM31°FMostly Sunny0%N 2 mph
Wed 8 AM31°FMostly Sunny1%NW 3 mph
Wed 9 AM35°FPartly Sunny1%N 2 mph
Wed 10 AM42°FPartly Sunny1%N 2 mph
Wed 11 AM47°FMostly Cloudy1%NW 1 mph
Wed 12 PM50°FPartly Sunny1%S 2 mph
Wed 1 PM53°FMostly Cloudy1%SW 2 mph
Wed 2 PM55°FPartly Sunny2%S 3 mph
Wed 3 PM55°FPartly Sunny2%S 3 mph
Wed 4 PM55°FPartly Sunny2%SW 3 mph
Wed 5 PM56°FPartly Sunny2%S 2 mph
Wed 6 PM52°FPartly Cloudy2%S 3 mph
Wed 7 PM49°FMostly Clear2%S 3 mph
Wed 8 PM47°FMostly Clear2%SW 3 mph
Wed 9 PM43°FMostly Clear2%SW 3 mph
Wed 10 PM42°FClear2%SW 3 mph
Wed 11 PM42°FMostly Clear2%SW 3 mph
Thu 12 AM41°FMostly Clear2%SW 3 mph
Thu 1 AM42°FMostly Clear2%SW 3 mph
Thu 2 AM42°FMostly Clear2%SW 3 mph
Thu 3 AM42°FMostly Clear1%SW 5 mph
Thu 4 AM42°FMostly Clear1%SW 5 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Marlborough can differ.

7-day forecast

Overnight

Low 31°F

Clear, with a low around 31. North wind around 3 mph.

Wednesday

High 56°F·Low 40°F

Partly sunny, with a high near 56. West wind around 3 mph.

Wednesday Night: Mostly clear, with a low around 40. Southwest wind around 5 mph.

Thursday

High 67°F·Low 53°F

Sunny, with a high near 67. Southwest wind 5 to 9 mph.

Thursday Night: Mostly clear, with a low around 53. Southwest wind around 8 mph.

Friday

High 67°F·Low 37°F

Sunny, with a high near 67. West wind 7 to 10 mph, with gusts as high as 25 mph.

Friday Night: Mostly clear, with a low around 37. Northwest wind around 7 mph.

Saturday

High 57°F·Low 31°F

Sunny, with a high near 57. Northwest wind 2 to 7 mph.

Saturday Night: Mostly clear, with a low around 31. West wind around 1 mph.

Sunday

High 61°F·Low 42°F

Mostly sunny, with a high near 61. Southwest wind 2 to 6 mph.

Sunday Night: Partly cloudy, with a low around 42. Southwest wind around 3 mph.

Monday

High 64°F·Low 44°F

A slight chance of rain showers after 10am. Partly sunny, with a high near 64. Southwest wind around 5 mph.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 44. West wind around 3 mph. Chance of precipitation is 30%.

Tuesday

High 59°F

A chance of rain showers. Partly sunny, with a high near 59. Northeast wind around 7 mph.

Nearby cities

Larger cities in the area

Other cities in Middlesex County

See every city we cover in Massachusetts, or check all active alerts.

About this forecast

Forecast office
Marlborough is served by the National Weather Service BOX forecast office, forecast zone MAZ005, county zone MAC017.
Location used
The Census Bureau's internal point for Marlborough (42.3496, -71.5472), in Middlesex County. Population: 42,169 (2024 estimate), number 33 of the 50 Massachusetts cities on this site.
Radar
Nearest NWS radar: KBOX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/42.3496,-71.5472 (forecast issued Oct 28, 5:15 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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