Sunday
Slight chance of thunderstorms
High:
87°F
A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Waltham, MA Weather - Extended Forecast
Sunday Night
Partly cloudy
Overnight low:
70°F
Partly cloudy, with a low around 70. Northwest wind 3 to 6 mph.
Monday
Hot
High:
95°F
Mostly sunny and hot, with a high near 95. Light and variable wind becoming southwest around 6 mph in the morning.
Monday Night
Partly cloudy
Overnight low:
76°F
Partly cloudy, with a low around 76. Southwest wind around 6 mph.
Tuesday
Hot
High:
98°F
Tuesday Night
Mostly clear
Overnight low:
76°F
Wednesday
Mostly sunny
High:
83°F
Wednesday Night
Partly cloudy
Overnight low:
65°F
Thursday
Mostly cloudy
High:
79°F