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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, September 18

Day

9/18
81°Hi
RealFeel® 85°
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
RealFeel Shade™ 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
A morning shower in spots; otherwise, warmer with clouds yielding to sun

Max UV Index5.0 (Moderate)

AccuLumen Brightness Index™8 (Bright)

WindNW 6 mph

Wind Gusts9 mph

Probability of Precipitation49%

Probability of Thunderstorms10%

Precipitation0.01 in

Rain0.01 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover47%

Morning

Afternoon

Night

9/18
57°Lo
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear

WindWSW 5 mph

Wind Gusts7 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover0%

Evening

Overnight

Sun & Moon

12 hrs 21 mins
Rise 6:52 AM
Set 7:13 PM
Waning Crescent
Rise 3:24 AM
Set 5:52 PM

Temperature History

9/18
High
Low
Forecast
81°
57°
Average
75°
59°
Last Year
74°
66°

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Weather Near Knollwood:

  • Alexandria, VA
  • Germantown, MD
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