National Weather Service

Hazardous Weather Conditions

Heat Advisory until July 17, 07:00 PM EDT

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Partly Cloudy

31°C

88°F

Humidity	54%
Wind Speed	S 9 km/h
Barometer	1016.9 mb (30.00 in)
Dewpoint	21°C (69°F)
Visibility	16 km
Heat Index	34°C (93°F)
Last update	15 Jul 3:51 pm EDT

More Information:

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

Extended Forecast for

Waltham MA

Heat Advisory July 15, 04:04pm until July 17, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 15, 04:04pm until July 17, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
This Afternoon
High: 32 °C
Isolated
T-storms
Tonight
Low: 22 °C
Mostly Clear
Wednesday
High: 34 °C
Hot
Wednesday Night
Low: 24 °C
Partly Cloudy
then Slight
Chance
Showers
Thursday
High: 32 °C
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 24 °C
Chance
T-storms then
Partly Cloudy
Friday
High: 30 °C
Mostly Sunny
Friday Night
Low: 17 °C
Mostly Clear

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms after 5pm. Partly sunny and hot, with a high near 32. Heat index values as high as 35. Southwest wind around 10 km/h. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 22. Southwest wind 3 to 8 km/h.

Wednesday

Mostly sunny and hot, with a high near 34. Heat index values as high as 38. Calm wind becoming southwest 5 to 10 km/h in the afternoon.

Wednesday Night

A slight chance of showers after 2am. Increasing clouds, with a low around 24. Southwest wind 8 to 10 km/h. Chance of precipitation is 20%.

Thursday

A chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 32. Southwest wind 10 to 14 km/h. Chance of precipitation is 50%.

Thursday Night

A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 24. Southwest wind around 11 km/h. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 30. Northwest wind 10 to 13 km/h.

Friday Night

Mostly clear, with a low around 17. North wind 5 to 8 km/h.

Saturday

Sunny, with a high near 28. North wind 5 to 10 km/h becoming southeast in the afternoon.

Saturday Night

Mostly cloudy, with a low around 19. Southwest wind 5 to 10 km/h.

Sunday

A chance of showers. Partly sunny, with a high near 28. South wind 8 to 13 km/h. Chance of precipitation is 40%.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 19. South wind 8 to 10 km/h becoming west after midnight. Chance of precipitation is 40%.