National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fitchburg, Fitchburg Municipal Airport (KFIT)

Lat: 42.55°NLon: 71.76°WElev: 348ft.

Overcast

78°F

26°C

Humidity 67%
Wind Speed S 6 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Sep 3:52 pm EDT
Extended Forecast for

South Lancaster MA

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 77. South wind around 5 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a chance of showers. Patchy fog between 10pm and 5am. Otherwise, mostly cloudy, with a low around 64. Light and variable wind becoming southwest around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 76. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. North wind 3 to 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers, mainly after 11am. High near 62. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 62 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 51. Light and variable wind. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 7am. Partly sunny, with a high near 66. Northeast wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 77. South wind around 5 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely before midnight, then a chance of showers. Patchy fog between 10pm and 5am. Otherwise, mostly cloudy, with a low around 64. Light and variable wind becoming southwest around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Sunny, with a high near 76. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 45. North wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 67. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 49. Calm wind.
Sunday
Showers, mainly after 11am. High near 62. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 51. Light and variable wind. Chance of precipitation is 70%.
Monday
A chance of showers before 7am. Partly sunny, with a high near 66. Northeast wind 5 to 8 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 47. North wind around 6 mph.
Tuesday
Partly sunny, with a high near 59. Northeast wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 45. North wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 61. East wind 10 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 45. North wind 5 to 7 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lancaster MA
 42.44°N 71.68°W (Elev. 249 ft)
Last Update:
2:49 pm EDT Sep 17, 2026
Forecast Valid:
4pm EDT Sep 17, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation