• Today

    Jul 25

    99°Lo 75°

    A strong afternoon t-storm

    Very Good for fishing
    • Precip
      40%
    • Cloud
      Cover
      68%
    • Wind
      Speed
      5 mph
  • Tue

    Jul 26

    94°Lo 71°

    Clouds and sun; hot and humid

    Very Good for fishing
    • Precip
      25%
    • Cloud
      Cover
      69%
    • Wind
      Speed
      5 mph
    more
  • Wed

    Jul 27

    93°Lo 71°

    A thunderstorm in spots

    Good for fishing
    • Precip
      40%
    • Cloud
      Cover
      64%
    • Wind
      Speed
      5 mph
    more
  • Thu

    Jul 28

    96°Lo 73°

    Periods of clouds and sun

    Poor for fishing
    • Precip
      15%
    • Cloud
      Cover
      46%
    • Wind
      Speed
      4 mph
    more
  • Fri

    Jul 29

    87°Lo 73°

    A couple of thunderstorms

    Good for fishing
    • Precip
      70%
    • Cloud
      Cover
      70%
    • Wind
      Speed
      5 mph
    more
Next Previous
Hi 99° RealFeel® 109° Precipitation 40%

Day

N

E

S

W

  • WSW 5 mph
  • Gusts: 9 mph

Partly sunny, very hot and humid; a strong afternoon thunderstorm; extreme heat may be dangerous

  • Max UV Index: 6 (High)
  • Thunderstorms: 95%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 75° RealFeel® 81° Precipitation 40%

Night

N

E

S

W

  • WNW 4 mph
  • Gusts: 7 mph

Warm and muggy; a strong t-storm this evening followed by a shower or thunderstorm in spots late

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.14 in
  • Rain: 0.14 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Jul 25

more Historical Weather Data >
  Today Normal Record 7/25/2015
High 99° 88° 98° (2010) 88°
Low 75° 66° 55° (1976) 62°

Solunar Information for Herndon, VA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 14:22 of sunlight, then sets at 8:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:43 AM with 0:26 of moolight, then sets at 12:10 PM

Tue, Jul 26
Last
Tue, Aug 2
New
Wed, Aug 10
First
Thu, Aug 18
Full

Herndon Weather Report

Stormy start to week in northeastern US will fail to offer heat relief

July 25, 2016; 4:33 AM ET

Gusty thunderstorms will target the northeastern United States on Monday, but will fail to sweep away the heat wave baking the region. more >

Trout Tactics

Apr 4, 2012; 5:00 AM ET We spend a day with world-renowned fly fisherman Joe Humphreys, who hosted a nationally broadcast fly fishing show on ESPN, and taught his craft for over 40 years. Some of his better-known pupils include former President Jimmy Carter and basketball coach Bobby Knight. Violeta Yas reports.

Radar & Satellite

Mon. Fronts & Pressure

Mon. Fishing Weather