• Today

    Aug 29

    90°Lo 64°

    Hot with more sun than clouds

    Very Good for sailing
    • Wind
      Speed
      4 mph
    • Wind
      Gust
      7 mph
    • Precip
      2%
    more
  • Tue

    Aug 30

    88°Lo 65°

    Mostly sunny and less humid

    Very Good for sailing
    • Wind
      Speed
      4 mph
    • Wind
      Gust
      7 mph
    • Precip
      10%
    more
  • Wed

    Aug 31

    90°Lo 68°

    Humid with periods of sun

    Very Good for sailing
    • Wind
      Speed
      2 mph
    • Wind
      Gust
      5 mph
    • Precip
      13%
  • Thu

    Sep 1

    82°Lo 60°

    Not as hot

    Very Good for sailing
    • Wind
      Speed
      5 mph
    • Wind
      Gust
      7 mph
    • Precip
      42%
    more
  • Fri

    Sep 2

    80°Lo 56°

    Partly sunny and less humid

    Very Good for sailing
    • Wind
      Speed
      7 mph
    • Wind
      Gust
      9 mph
    • Precip
      7%
    more
Next Previous
Hi 90° RealFeel® 100° Precipitation 13%

Day

N

E

S

W

  • SW 2 mph
  • Gusts: 5 mph

Humid with intervals of clouds and sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 11%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 68° RealFeel® 68° Precipitation 40%

Night

N

E

S

W

  • NW 2 mph
  • Gusts: 5 mph

Humid with considerable clouds; a shower or thunderstorm in spots late

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2015
High 90° 84° N/A 90°
Low 68° 64° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 13:03 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:49 AM with 13:32 of moolight, then sets at 7:21 PM

Frederick Weather Report

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

August 29, 2016; 12:20 PM ET

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

Wed. Sailing Maps

Wed. Wind Maps