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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right
4th of July forecast: Where will storms disrupt outdoor plans? Chevron right

National Harbor, MD

99°F
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National Harbor, MD 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
Thursday, July 2

Day

7/2
102°Hi
RealFeel® 111°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. 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™ 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Hazy sun; the temperature breaking the record of 101 last reached in 1898, humid; the heat will be dangerous, especially for those without air conditioning
alerts

Extreme Heat Warning

10:00 AM Thursday - 8:00 PM Thursday

Max UV Index11.0 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindWNW 6 mph

Wind Gusts14 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover31%

Morning

Afternoon

Night

7/2
77°Lo
RealFeel® 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
Mainly clear, warm and humid; no heat relief; miserable for sleeping without air conditioning
alerts

Extreme Heat Warning

10:00 AM Thursday - 8:00 PM Thursday

WindWSW 5 mph

Wind Gusts15 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover11%

Evening

Overnight

Sun & Moon

14 hrs 50 mins
Rise 5:47 AM
Set 8:37 PM
Waning Gibbous
Rise 10:37 PM
Set 9:05 AM

Temperature History

7/2
High
Low
Forecast
102°
77°
Average
89°
72°
Last Year
87°
72°
Record
101°
1898
55°
1940

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World North America United States Maryland National Harbor

Weather Near National Harbor:

  • Alexandria, VA
  • Germantown, MD
  • Washington, DC
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