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  • Early AM

    Aug 31

    Mainly clear Lo 63°
    more
  • Today

    Aug 31

    Very warm with some sun 89°Lo 68°
    more
  • Thu

    Sep 1

    Not as warm with a t-storm 82°Lo 60°
    more
  • Fri

    Sep 2

    Sun and some clouds 78°Lo 61°
  • Sat

    Sep 3

    Nice with plenty of sun 77°Lo 58°
    more
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 66° 68° 71° 74° 76° 77° 78° 77°
RealFeel® 66° 70° 75° 79° 80° 81° 81° 78°
Humidity 73% 64% 60% 57% 53% 51% 49% 49%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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Snow
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 7 NNW 7 N 8 N 8 N 8 N 8 N 8 N 8 N
UV Index 2 3 5 6 6 6 5 3
Cloud Cover 26% 35% 45% 45% 45% 45% 45% 45%
Dew Point 57° 56° 57° 58° 57° 57° 58° 57°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2015
High 78° 81° N/A 91°
Low 61° 64° N/A 66°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:58 of sunlight, then sets at 7:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:47 AM with 12:37 of moolight, then sets at 8:24 PM

Gaithersburg Weather Report

September to start on cooler, less humid note in northeastern US

August 31, 2016; 12:24 AM ET

Brief relief from heat and humidity will arrive in the northeastern United States during the first days of September. more >