Weather on 23 June, Sunday — Herndon

Air

  • 9:00 AM: +25°, clear, Feels like 27.
  • 12:00 PM: +24°, partly cloudy, Feels like 26.
  • 3:00 PM: +27°, partly cloudy, Feels like 30.
  • 6:00 PM: +32°, partly cloudy, Feels like 36.
  • 9:00 PM: +34°, partly cloudy, Feels like 39.
  • 12:00 AM: +32°, light rain, Feels like 35.
  • 3:00 AM: +29°, overcast, Feels like 32.
  • 6:00 AM: +26°, overcast, Feels like 28.

Air Quality Index (AQI)

  • 9:00 AM: 49
  • 12:00 PM: 38
  • 3:00 PM: 40
  • 6:00 PM: 45
  • 9:00 PM: 90
  • 12:00 AM: 122
  • 3:00 AM: 101
  • 6:00 AM: 74

Wind, m/s

  • 9:00 AM: , 2.5 Meters per second, up to 6 Meters per second, southerly.
  • 12:00 PM: , 2.4 Meters per second, up to 5 Meters per second, southerly.
  • 3:00 PM: , 2.5 Meters per second, up to 7 Meters per second, south-westerly.
  • 6:00 PM: , 3 Meters per second, up to 8 Meters per second, south-westerly.
  • 9:00 PM: , 3.5 Meters per second, up to 10 Meters per second, south-westerly.
  • 12:00 AM: , 3.5 Meters per second, up to 10 Meters per second, south-westerly.
  • 3:00 AM: , 3 Meters per second, up to 7 Meters per second, southerly.
  • 6:00 AM: , 2.4 Meters per second, up to 5 Meters per second, southerly.

Pressure normal 739−759 mmHg

  • 9:00 AM: 750 millimeters of mercury,
  • 12:00 PM: 749 millimeters of mercury,
  • 3:00 PM: 750 millimeters of mercury,
  • 6:00 PM: 749 millimeters of mercury,
  • 9:00 PM: 748 millimeters of mercury,
  • 12:00 AM: 747 millimeters of mercury,
  • 3:00 AM: 747 millimeters of mercury,
  • 6:00 AM: 747 millimeters of mercury,

Humidity

  • 9:00 AM: 72%
  • 12:00 PM: 75%
  • 3:00 PM: 71%
  • 6:00 PM: 55%
  • 9:00 PM: 48%
  • 12:00 AM: 64%
  • 3:00 AM: 66%
  • 6:00 AM: 72%

UV Index

  • 9:00 AM: 0
  • 12:00 PM: 0
  • 3:00 PM: 1
  • 6:00 PM: 7
  • 9:00 PM: 9
  • 12:00 AM: 1
  • 3:00 AM: 0
  • 6:00 AM: 0

Visibility

  • 9:00 AM: >10 km
  • 12:00 PM: >10 km
  • 3:00 PM: >10 km
  • 6:00 PM: >10 km
  • 9:00 PM: >10 km
  • 12:00 AM: 500 m
  • 3:00 AM: >10 km
  • 6:00 AM: >10 km
Overview
Sunrise : 5:44 am
Sunset : 8:38 pm
Daylight hours : 14 hr 54 min
Lunar phase : waning gibbous
UV Index : 9, very high