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Hazardous Weather Conditions

Extreme Heat Watch in effect from July 1, 10:00 AM EDT until July 4, 08:00 PM EDT

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

A Few Clouds

83°F

28°C

Humidity	44%
Wind Speed	SE 9 mph
Barometer	30.06 in (1019.1 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	29 Jun 3:51 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Waltham MASimilar City Names

Extreme Heat Watch July 1, 10:00am until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Watch

Tonight
Low: 63 °F
Mostly Clear
Tuesday
High: 91 °F
Hot
Tuesday Night
Low: 69 °F
Slight Chance
T-storms
Wednesday
High: 98 °F
Hot
Wednesday Night
Low: 75 °F
Mostly Clear
Thursday
High: 104 °F
Hot
Thursday Night
Low: 79 °F
Clear
Friday
High: 101 °F
Hot
Friday Night
Low: 75 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 63. East wind around 6 mph becoming calm in the evening.

Tuesday

Mostly sunny and hot, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the morning.

Tuesday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind around 9 mph. Chance of precipitation is 20%.

Wednesday

Mostly sunny and hot, with a high near 98. Heat index values as high as 109. West wind around 9 mph.

Wednesday Night

Mostly clear, with a low around 75. Southwest wind around 7 mph.

Thursday

Sunny and hot, with a high near 104. West wind 6 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Clear, with a low around 79. West wind around 6 mph.

Friday

Sunny and hot, with a high near 101. West wind 6 to 10 mph.

Friday Night

Partly cloudy, with a low around 75. West wind 3 to 5 mph.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. West wind 3 to 8 mph. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Light west wind. Chance of precipitation is 30%.

Sunday

A chance of thunderstorms. Mostly sunny and hot, with a high near 91. West wind 3 to 8 mph. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Light northwest wind. Chance of precipitation is 30%.

Monday

A chance of showers. Mostly sunny, with a high near 86. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 30%.