Hazardous Weather Conditions
Current conditions at
Fitchburg, Fitchburg Municipal Airport (KFIT)
Lat: 42.55°NLon: 71.76°WElev: 348ft.
Fair
73°F
23°C
| Humidity | 69% |
| Wind Speed | NW 8 mph |
| Barometer | 30.03 in (1016.7 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 19 May 5:52 am EDT |
Extended Forecast for
Ayer MA
Heat Advisory May 19, 11:00am until May 20, 08:00pm
Today
High: 94 °F
Sunny then
Chance
ShowersTonight
Low: 71 °F
Chance
Showers then
Mostly ClearWednesday
High: 90 °F
Sunny then
Showers
LikelyWednesday Night
Low: 52 °F
Chance
Showers then
Partly CloudyThursday

High: 68 °F
Mostly Sunny
Thursday Night

Low: 44 °F
Partly Cloudy
Friday

High: 70 °F
Mostly Sunny
Friday Night
Low: 46 °F
Mostly Cloudy
then Chance
ShowersSaturday

High: 60 °F
Showers
Likely
Detailed Forecast
Today
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 94. West wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 8pm. Partly cloudy, with a low around 71. Southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds and hot, with a high near 90. West wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 52. Northwest wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 68. North wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 44. Calm wind.
Friday
Mostly sunny, with a high near 70. Light and variable wind.
Friday Night
A chance of showers after 5am. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 60. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 45. Light northeast wind. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 61. East wind 3 to 7 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 68. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ayer MA
42.56°N 71.59°W (Elev. 249 ft)
42.56°N 71.59°W (Elev. 249 ft)
2:28 am EDT May 19, 2026
6am EDT May 19, 2026-6pm EDT May 25, 2026



