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Current Weather Conditions for Waltham, MA

Sunny, with a high near 101. Heat index values as high as 108. West wind around 12 mph, with gusts as high as 23 mph.
100°F

Conditions

Wind: 12 mph W
Humidity: 37%
Probability of Precipitation: 4%

Hourly Forcast (next 12 hours)

6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM
100° 101° 101° 100° 97° 94° 91° 88° 86° 84° 82° 80° 79°

Upcoming Week

Day Forecast High Low
This Afternoon
Sunny
Sunny, with a high near 101. Heat index values as high as 108. West wind around 12 mph, with gusts as high as 23 mph.
101°F 71°F
Tonight
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms after 10pm. Partly cloudy, with a low around 74. Heat index values as high as 103. West wind 3 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
101°F 71°F
Independence Day
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Mostly sunny, with a high near 97. Heat index values as high as 99. West wind 5 to 10 mph. Chance of precipitation is 40%.
101°F 71°F
Saturday Night
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 1am. Partly cloudy, with a low around 63. Northwest wind 3 to 8 mph. Chance of precipitation is 40%.
101°F 71°F
Sunday
Mostly Sunny
Mostly sunny, with a high near 86. East wind 3 to 7 mph.
101°F 71°F
Sunday Night
Slight Chance Rain Showers
A slight chance of rain showers after 11pm. Mostly cloudy, with a low around 59. South wind 0 to 7 mph. Chance of precipitation is 20%.
101°F 71°F
Monday
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 80. Southeast wind 0 to 7 mph. Chance of precipitation is 40%.
101°F 71°F
Monday Night
Chance Showers And Thunderstorms
A chance of rain showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms between 2am and 5am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. East wind 2 to 6 mph. Chance of precipitation is 60%.
101°F 71°F
Tuesday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Northeast wind 3 to 8 mph. Chance of precipitation is 50%.
101°F 71°F
Tuesday Night
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 60. Northeast wind 2 to 7 mph. Chance of precipitation is 30%.
101°F 71°F
Wednesday
Chance Rain Showers
A chance of rain showers before 5pm. Mostly sunny, with a high near 83. Northeast wind 2 to 6 mph. Chance of precipitation is 30%.
101°F 71°F
Wednesday Night
Partly Cloudy
Partly cloudy, with a low around 63. Southwest wind around 5 mph.
101°F 71°F
Thursday
Mostly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 91. Southwest wind 2 to 6 mph.
101°F 71°F
Thursday Night
Partly Cloudy
Partly cloudy, with a low around 67. Southwest wind around 6 mph.
101°F 71°F
Data provided by weather.gov