• Today

    Aug 29

    87°Lo 63°

    Mostly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      5%
    • Hi
      RealFeel
      91°
  • Sun

    Aug 30

    90°Lo 67°

    Partly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      8%
    • Hi
      RealFeel
      96°
    more
  • Mon

    Aug 31

    87°Lo 67°

    Humid with partial sunshine

    Very Good for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      25%
    • Hi
      RealFeel
      95°
    more
  • Tue

    Sep 1

    91°Lo 67°

    Sunny, hot and humid

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      9%
    • Hi
      RealFeel
      98°
    more
  • Wed

    Sep 2

    90°Lo 67°

    Hot and humid with some sun

    Very Good for lawn mowing
    • Hours of Precip
      3
    • Precip
      16%
    • Hi
      RealFeel
      99°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Partly Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 61° 63° 66° 70° 74° 79° 82° 84°
RealFeel® 62° 63° 66° 72° 78° 83° 88° 90°
Humidity 86% 81% 85% 76% 63% 56% 52% 46%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 2 SE 4 SE 5 SE 6 SSE 7 S 7 S 7 SSW 6 SSW
UV Index 0 0 1 2 4 5 6 7
Cloud Cover 33% 17% 11% 11% 11% 11% 11% 11%
Dew Point 57° 57° 61° 62° 61° 62° 63° 61°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 29

more Historical Weather Data >
  Today Normal Record 8/29/2014
High 87° 85° 98° (1991) 79°
Low 63° 62° 38° (1982) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 13:10 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:39 PM with 11:52 of moolight, then sets at 7:31 AM

Gaithersburg Weather Report

DC, Baltimore: Heat, Humidity to Come Back Into Next Week

August 29, 2015; 4:24 AM ET

Heat and humidity will return to Washington D.C. and Baltimore areas this weekend and hang on into next week. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Sat. Overnight Freeze

Sat. Degree Days

Sat. Evapotranspiration