Weather forecast for: Waltham MA
Last Update: 2:00 pm EDT Oct 20, 2026
This Afternoon: Sunny, with a high near 62. Northeast wind around 11 mph, with gusts as high as 25 mph.
Tonight: Mostly clear, with a low around 40. North wind 6 to 9 mph.
Wednesday: Partly sunny, with a high near 53. Northeast wind 9 to 13 mph, with gusts as high as 24 mph.
Wednesday Night: Mostly cloudy, with a low around 39. North wind 8 to 10 mph.
Thursday: Mostly sunny, with a high near 61. North wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday Night: Mostly clear, with a low around 36. North wind 8 to 10 mph, with gusts as high as 22 mph.
Friday: Sunny, with a high near 52. North wind 8 to 10 mph, with gusts as high as 21 mph.
Friday Night: Mostly clear, with a low around 33. Light northwest wind.
Saturday: Sunny, with a high near 57. West wind 3 to 5 mph.
Saturday Night: Clear, with a low around 36. Calm wind.
Sunday: Sunny, with a high near 63. Southwest wind 3 to 5 mph.
Sunday Night: Mostly clear, with a low around 42. Southwest wind around 5 mph.
Monday: Sunny, with a high near 67. West wind around 6 mph.