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Current Weather Conditions for South Waltham, MA

Mostly sunny, with a high near 96. Heat index values as high as 105. West wind around 6 mph.
95°F

Conditions

Wind: 3 mph W
Humidity: 49%
Probability of Precipitation: 1%

Hourly Forcast (next 12 hours)

8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM
95° 95° 93° 91° 87° 84° 83° 81° 79° 78° 78° 77° 76°

Upcoming Week

Day Forecast High Low
This Afternoon
Mostly Sunny
Mostly sunny, with a high near 96. Heat index values as high as 105. West wind around 6 mph.
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Tonight
Partly Cloudy
Partly cloudy, with a low around 76. Heat index values as high as 97. Southwest wind 5 to 8 mph.
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Tuesday
Sunny
Sunny, with a high near 102. Heat index values as high as 108. West wind 5 to 10 mph.
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Tuesday Night
Mostly Clear
Mostly clear, with a low around 79. Heat index values as high as 104. West wind 5 to 10 mph.
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Wednesday
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between noon and 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. North wind around 6 mph. Chance of precipitation is 30%.
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Wednesday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 5 mph. Chance of precipitation is 30%.
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Thursday
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 76. Northeast wind 5 to 8 mph. Chance of precipitation is 40%.
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Thursday 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%.
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Friday
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 72. East wind 3 to 8 mph. Chance of precipitation is 30%.
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Friday Night
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 61. Southeast wind 3 to 7 mph. Chance of precipitation is 40%.
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Saturday
Chance Rain Showers
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. South wind 5 to 8 mph. Chance of precipitation is 50%.
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Saturday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind 3 to 7 mph. Chance of precipitation is 50%.
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Sunday
Chance Rain Showers then Slight Chance Showers And Thunderstorms
A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Northwest wind around 7 mph. Chance of precipitation is 30%.
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Sunday Night
Slight Chance Showers And Thunderstorms then Mostly Cloudy
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 67. Southwest wind 2 to 6 mph.
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Data provided by weather.gov