• Today

    Jul 30

    84°Lo 70°

    A heavy afternoon t-storm

    At Risk weather for asthma
    • Hi
      RealFeel
      102°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Sun

    Jul 31

    90°Lo 70°

    Heavy thunderstorms

    At Risk weather for asthma
    • Hi
      RealFeel
      101°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Mon

    Aug 1

    90°Lo 66°

    A shower or t-storm in spots

    Neutral weather for asthma
    • Hi
      RealFeel
      100°
    • UV
      5 - High
    • Air Qual.
      Good
  • Tue

    Aug 2

    87°Lo 64°

    Periods of clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      5 - High
    • Air Qual.
      Good
    more
  • Wed

    Aug 3

    85°Lo 67°

    Periods of clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
Hi 90° RealFeel® 100° Precipitation 40%

Day

N

E

S

W

  • WNW 5 mph
  • Gusts: 8 mph

Intervals of clouds and sun with a shower or thunderstorm in spots

  • Max UV Index: 7 (High)
  • Thunderstorms: 40%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 66° RealFeel® 66° Precipitation 15%

Night

N

E

S

W

  • NNW 4 mph
  • Gusts: 7 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 14%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2015
High 90° 88° N/A 90°
Low 66° 68° N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 14:11 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:54 AM with 14:30 of moolight, then sets at 7:24 PM

Frederick Weather Report

Soaking storms to elevate flash flood threat in northeastern US this weekend

July 30, 2016; 1:21 PM ET

Rounds of drenching showers and heavy thunderstorms will heighten the risk of flash flooding across the northeastern United States through the final weekend of July. more >

Mon. Asthma Risk

Mon. UV Index