National Weather Service Forecast for: Amherst MA
Issued by: National Weather Service Norton, MA
Updated: 3:27 pm EDT Jul 28, 2026
 
Tonight

Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Chance
T-storms then
Showers
Likely
 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 74. East wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Showers

 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm. Low around 59. Northeast wind 10 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Thursday

Thursday: Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 74. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 58. North wind 5 to 7 mph. Chance of precipitation is 30%.
Chance
Showers then
Mostly Cloudy
 Friday

Friday: Mostly sunny, with a high near 82. North wind 5 to 7 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 61. Calm wind.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 64. Light south wind.
Mostly Cloudy
Lo 62 °F Hi 74 °F Lo 59 °F Hi 74 °F Lo 58 °F Hi 82 °F Lo 61 °F Hi 85 °F Lo 64 °F

Flood Watch
 

Tonight
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
 Showers and possibly a thunderstorm. High near 74. East wind 9 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
 
 Showers and possibly a thunderstorm. Low around 59. Northeast wind 10 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
 
 Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 74. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 58. North wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
 
 Mostly sunny, with a high near 82. North wind 5 to 7 mph.
Friday Night
 
 Mostly clear, with a low around 61. Calm wind.
Saturday
 
 Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
 
 Mostly cloudy, with a low around 64. Light south wind.
Sunday
 
 A chance of showers after 3pm. Partly sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.
Sunday Night
 
 A chance of showers. Mostly cloudy, with a low around 64. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
 
 A chance of showers. Partly sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
 
 Mostly cloudy, with a low around 62. Calm wind.
Tuesday
 
 Mostly sunny, with a high near 85. North wind 3 to 6 mph.

 

Forecast from NOAA-NWS for Amherst MA.