National Weather Service Forecast for: Waltham MA
Issued by: National Weather Service Norton, MA
Updated: 2:31 am EDT Apr 6, 2026
 
Overnight

Overnight: Mostly clear, with a low around 36. West wind around 8 mph.
Mostly Clear

 Monday

Monday: Sunny through mid morning, then becoming partly sunny, with a high near 52. West wind around 11 mph, with gusts as high as 23 mph.
Partly Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 34. West wind around 6 mph becoming calm in the evening.
Partly Cloudy

 Tuesday

Tuesday: A chance of rain and snow showers before 8am, then a chance of rain showers. Partly sunny, with a high near 49. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Chance
Showers
 Tuesday
Night
Tuesday Night: A chance of rain and snow showers before 7pm, then a chance of snow showers between 7pm and 8pm. Mostly clear, with a low around 27. Northwest wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Chance
Rain/Snow
then Mostly
Clear
 Wednesday

Wednesday: Sunny, with a high near 49. Light and variable wind becoming southeast around 5 mph in the afternoon.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 31. South wind around 6 mph.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 56. Light south wind increasing to 6 to 11 mph in the morning.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 38. South wind 5 to 8 mph.
Partly Cloudy
Lo 36 °F Hi 52 °F Lo 34 °F Hi 49 °F Lo 27 °F Hi 49 °F Lo 31 °F Hi 56 °F Lo 38 °F

 

Overnight
 
 Mostly clear, with a low around 36. West wind around 8 mph.
Monday
 
 Sunny through mid morning, then becoming partly sunny, with a high near 52. West wind around 11 mph, with gusts as high as 23 mph.
Monday Night
 
 Partly cloudy, with a low around 34. West wind around 6 mph becoming calm in the evening.
Tuesday
 
 A chance of rain and snow showers before 8am, then a chance of rain showers. Partly sunny, with a high near 49. Light west wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
 
 A chance of rain and snow showers before 7pm, then a chance of snow showers between 7pm and 8pm. Mostly clear, with a low around 27. Northwest wind 5 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
 
 Sunny, with a high near 49. Light and variable wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 31. South wind around 6 mph.
Thursday
 
 Mostly sunny, with a high near 56. Light south wind increasing to 6 to 11 mph in the morning.
Thursday Night
 
 Partly cloudy, with a low around 38. South wind 5 to 8 mph.
Friday
 
 Partly sunny, with a high near 66. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Friday Night
 
 Mostly cloudy, with a low around 49. South wind around 7 mph.
Saturday
 
 Mostly sunny, with a high near 69. Northwest wind 6 to 8 mph.
Saturday Night
 
 Mostly clear, with a low around 43. North wind 3 to 5 mph.
Sunday
 
 Sunny, with a high near 63. Light and variable wind becoming south 5 to 8 mph in the morning.

 

Forecast from NOAA-NWS for Waltham MA.