National Weather Service Forecast for: Billerica MA
Issued by: National Weather Service Norton, MA
Updated: 4:32 am EDT Jul 25, 2025
 
Today

Today: A chance of showers, with thunderstorms also possible after 2pm. Increasing clouds and hot, with a high near 94. Heat index values as high as 100. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
Showers
 Tonight

Tonight: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Partly cloudy, with a low around 67. North wind around 6 mph. Chance of precipitation is 20%.
Slight Chance
T-storms then
Partly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 84. North wind around 6 mph becoming east in the afternoon.
Mostly Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 64. Southwest wind 3 to 5 mph.
Partly Cloudy

 Sunday

Sunday: A slight chance of showers after 2pm. Partly sunny, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 20%.
Partly Sunny
then Slight
Chance
Showers
 Sunday
Night
Sunday Night: A slight chance of showers before 9pm. Partly cloudy, with a low around 64. Southwest wind around 6 mph. Chance of precipitation is 20%.
Slight Chance
Showers then
Partly Cloudy
 Monday

Monday: Sunny and hot, with a high near 92. South wind 3 to 6 mph.
Hot

 Monday
Night
Monday Night: Mostly clear, with a low around 71. South wind around 6 mph.
Mostly Clear

 Tuesday

Tuesday: A chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 94. West wind 5 to 7 mph. Chance of precipitation is 30%.
Sunny then
Chance
T-storms
Hi 94 °F Lo 67 °F Hi 84 °F Lo 64 °F Hi 82 °F Lo 64 °F Hi 92 °F Lo 71 °F Hi 94 °F

Heat Advisory
 

Today
 
 A chance of showers, with thunderstorms also possible after 2pm. Increasing clouds and hot, with a high near 94. Heat index values as high as 100. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 10pm. Partly cloudy, with a low around 67. North wind around 6 mph. Chance of precipitation is 20%.
Saturday
 
 Mostly sunny, with a high near 84. North wind around 6 mph becoming east in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 64. Southwest wind 3 to 5 mph.
Sunday
 
 A slight chance of showers after 2pm. Partly sunny, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 20%.
Sunday Night
 
 A slight chance of showers before 9pm. Partly cloudy, with a low around 64. Southwest wind around 6 mph. Chance of precipitation is 20%.
Monday
 
 Sunny and hot, with a high near 92. South wind 3 to 6 mph.
Monday Night
 
 Mostly clear, with a low around 71. South wind around 6 mph.
Tuesday
 
 A chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 94. West wind 5 to 7 mph. Chance of precipitation is 30%.
Tuesday Night
 
 A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.
Wednesday
 
 Mostly sunny, with a high near 89. North wind around 6 mph becoming west in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 64. Northwest wind around 5 mph.
Thursday
 
 Mostly sunny, with a high near 80. Northwest wind 5 to 7 mph.

 

Forecast from NOAA-NWS for Billerica MA.