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      Elev 568 ft, 40.698 °N 76.844 °W

      Herndon, PA

      Herndon Station
      Updated: 3:54 PM EDT on August 23, 2026 (GMT -4)
      3 minutes ago
      80°
      58°
      84
      Feels Like 86
      Partly Cloudy
      N
      7
      Lower temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Tonight
      Sun 08/23
      Low 56°f
      18% Precip. / 0 in
      A few clouds. Slight chance of a rain shower. Low 56F. Winds WSW at 5 to 10 mph.
      Tomorrow
      Mon 08/24
      High 75°f
      11% Precip. / 0 in
      Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. High around 75F. Winds W at 5 to 10 mph.
      Tomorrow night
      Mon 08/24
      Low 57°f
      7% Precip. / 0 in
      A few clouds. Low 57F. Winds light and variable.
      Hourly Forecast
      Now
      77°
      4PM
      77°
      5PM
      77°
      6PM
      75°
      7PM
      71°
      7:53PM
      Sunset
      8PM
      68°
      9PM
      64°
      10PM
      61°
      11PM
      61°
      12AM
      59°
      1AM
      59°
      2AM
      58°
      3AM
      58°
      4AM
      57°
      5AM
      58°
      6AM
      57°
      6:26AM
      Sunrise
      7AM
      57°
      8AM
      61°
      9AM
      64°
      10AM
      66°
      11AM
      69°
      12PM
      70°
      1PM
      72°
      2PM
      72°
      3PM
      73°
      Precipitation
      19%
      Pollen
      Grass Pollen
      Low
      Air Quality
      43
      Good
      UV Index
      4
      Moderate
      Additional Conditions
      1. Pressure 29.82 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point59°F
      5. Humidity 54%
      6. Rainfall 0.71 in
      7. Snow Depth 0 in
       KSEG Station History
      Almanac for August 23, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 80°F 82°F 96°F 1936
      4. Low 58°F 60°F 38°F 1982
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.9 in -
      7. Snow 0 in 0 in -
      Almanac for August 24, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 75°F 82°F 93°F
      4. Low 58°F 60°F 43°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:25 AM 7:53 PM
      3. Civil Twilight 5:56 AM 8:22 PM
      4. Nautical Twilight 5:22 AM 8:56PM
      5. Astronomical Twilight 4:45 AM 9:33 PM
      1. Length of Visible Light 14h 25m
      2. Length of Day 13h 27m
      3. Tomorrow will be 2 minutes 30 seconds shorter
      1. Moon 5:36 PM 1:32 AM
      2. Waxing Gibbous83% of the Moon is Illuminated
      Aug 28
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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