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National Arboretum Weather Warning NWS WEATHER ALERT FOR THE NATIONAL ARBORETUM, DC AREA - Issued: 328 AM EDT Mon Aug 3 2026 National Arboretum Weather Warning

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National Arboretum, DC Weather - Hour by Hour Forecast

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National Arboretum, DC Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 78°F26°C, dew point 74°F23°C, humidity 87%. Wind direction is SSW at 10 mph16 km/h with visibility of 10 mi16 km. Barometric pressure is 29.79 in1009 mb.
Overnight - Cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 70s. South winds 5 to 10 mph. Chance of r.. Full Forecast
Today - Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, th.. Full Forecast

National Arboretum Hourly Weather

24 Hour Forecast Scroll
Mon, Aug 03
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National Arboretum, DC Hourly Weather - Cloudy - 9:00 AM National Arboretum, DC Hourly Weather - Cloudy - 10:00 AM National Arboretum, DC Hourly Weather - Cloudy - 11:00 AM National Arboretum, DC Hourly Weather - Cloudy - 12:00 PM National Arboretum, DC Hourly Weather - Mostly Cloudy - 1:00 PM National Arboretum, DC Hourly Weather - Mostly Cloudy - 2:00 PM National Arboretum, DC Hourly Weather - Mostly Cloudy - 3:00 PM National Arboretum, DC Hourly Weather - Mostly Cloudy - 4:00 PM National Arboretum, DC Hourly Weather - Mostly Cloudy - 5:00 PM National Arboretum, DC Hourly Weather - Mostly Cloudy - 6:00 PM National Arboretum, DC Hourly Weather - Partly Cloudy - 7:00 PM National Arboretum, DC Hourly Weather - Partly Cloudy - 8:00 PM National Arboretum, DC Hourly Weather - Partly Cloudy - 9:00 PM National Arboretum, DC Hourly Weather - Partly Cloudy - 10:00 PM National Arboretum, DC Hourly Weather - Partly Cloudy - 11:00 PM National Arboretum, DC Hourly Weather - Partly Cloudy - 12:00 AM National Arboretum, DC Hourly Weather - Partly Cloudy - 1:00 AM National Arboretum, DC Hourly Weather - Partly Cloudy - 2:00 AM National Arboretum, DC Hourly Weather - Partly Cloudy - 3:00 AM National Arboretum, DC Hourly Weather - Partly Cloudy - 4:00 AM National Arboretum, DC Hourly Weather - Partly Cloudy - 5:00 AM National Arboretum, DC Hourly Weather - Partly Cloudy - 6:00 AM National Arboretum, DC Hourly Weather - Partly Cloudy - 7:00 AM National Arboretum, DC Hourly Weather - Partly Cloudy - 8:00 AM
Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
78°F26°C 80°F27°C 81°F27°C 82°F28°C 83°F28°C 84°F29°C 85°F29°C 85°F29°C 86°F30°C 85°F29°C 84°F29°C 83°F28°C 82°F28°C 80°F27°C 79°F26°C 78°F26°C 78°F26°C 77°F25°C 76°F24°C 76°F24°C 75°F24°C 76°F24°C 76°F24°C 77°F25°C
Rain Rain Rain Rain Rain Rain - - - - - - - - - - - - - - - - - -
40% 40% 40% 40% 40% 40% 17% 17% 17% 17% 17% 17% 9% 9% 9% 9% 9% 9% 0% 0% 0% 0% 0% 0%
72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 68°F20°C 69°F21°C 69°F21°C 69°F21°C 68°F20°C 68°F20°C 68°F20°C 67°F19°C 67°F19°C
82% 77% 74% 72% 70% 67% 63% 63% 59% 59% 61% 61% 63% 67% 69% 71% 74% 76% 79% 76% 79% 76% 74% 71%
SW SSW W W NW NW NW NNW NNW SSW SE NE ENE ENE E ENE NE NE NE NE NE NE NE NE
7 mph 10 mph 10 mph 10 mph 9 mph 9 mph 9 mph 7 mph 7 mph 7 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 9 mph 9 mph 9 mph 8 mph 8 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (EDT)
Weather
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KDCA model statistics.

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Prob Precip % = Probability of Precipitation.

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POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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