National Weather Service Forecast for: Amherst MA
Issued by: National Weather Service Norton, MA
Updated: 2:31 am EDT Aug 20, 2026
 
Today

Today: A chance of showers, mainly after 5pm. Increasing clouds, with a high near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny
then Chance
Showers
 Tonight

Tonight: Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 53. Light north wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely then
Slight Chance
Showers
 Friday

Friday: Partly sunny, with a high near 82. North wind around 5 mph becoming east in the afternoon.
Partly Sunny

 Friday
Night
Friday Night: A chance of showers after 2am. Increasing clouds, with a low around 59. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Partly Cloudy
then Chance
Showers
 Saturday

Saturday: Showers likely, mainly after 10am. Mostly cloudy, with a high near 74. Northeast wind 5 to 7 mph. Chance of precipitation is 70%.
Showers
Likely

 Saturday
Night
Saturday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Showers
Likely

 Sunday

Sunday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Mostly Cloudy
then Showers
Likely
 Sunday
Night
Sunday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 1am. Mostly cloudy, with a low around 58. Light southwest wind. Chance of precipitation is 60%.
Showers
Likely then
Chance
Showers
 Monday

Monday: Mostly sunny, with a high near 81. Light west wind increasing to 6 to 11 mph in the morning.
Mostly Sunny
Hi 83 °F Lo 53 °F Hi 82 °F Lo 59 °F Hi 74 °F Lo 60 °F Hi 82 °F Lo 58 °F Hi 81 °F

 

Today
 
 A chance of showers, mainly after 5pm. Increasing clouds, with a high near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
 Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 53. Light north wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Partly sunny, with a high near 82. North wind around 5 mph becoming east in the afternoon.
Friday Night
 
 A chance of showers after 2am. Increasing clouds, with a low around 59. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
 
 Showers likely, mainly after 10am. Mostly cloudy, with a high near 74. Northeast wind 5 to 7 mph. Chance of precipitation is 70%.
Saturday Night
 
 Showers likely, mainly before 9pm. Mostly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Sunday
 
 A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
 
 Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 1am. Mostly cloudy, with a low around 58. Light southwest wind. Chance of precipitation is 60%.
Monday
 
 Mostly sunny, with a high near 81. Light west wind increasing to 6 to 11 mph in the morning.
Monday Night
 
 Mostly clear, with a low around 54. Light west wind.
Tuesday
 
 Sunny, with a high near 80. Light west wind increasing to 5 to 10 mph in the morning.
Tuesday Night
 
 Mostly clear, with a low around 54. Light southwest wind.
Wednesday
 
 Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.

 

Forecast from NOAA-NWS for Amherst MA.