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Waltham, MA

86°F
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Waltham, MA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Sunday, May 17

Day

5/17
87°Hi
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
Mostly sunny and very warm

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindW 10 mph

Wind Gusts25 mph

Probability of Precipitation25%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover13%

Morning

Afternoon

Night

5/17
57°Lo
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Partly cloudy

WindNNE 6 mph

Wind Gusts12 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover51%

Evening

Overnight

Sun & Moon

14 hrs 39 mins
Rise 5:22 AM
Set 8:01 PM
Waxing Crescent
Rise 5:26 AM
Set 9:46 PM

Temperature History

5/17
High
Low
Forecast
87°
57°
Average
70°
46°
Last Year
79°
62°

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World North America United States Massachusetts Waltham

Weather Near Waltham:

  • Boston, MA
  • Dorchester, MA
  • Worcester, MA
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