Herndon, VA Weather

    07:00 Saturday
    Overcast
    Overcast
    5° Feels like 2°
    Moderate north wind North 15 - 32 km/h
    • Today 27 Dec. Partly cloudy 7° / -1° Moderate north wind 19 - 41 km/h
    • Tomorrow 28 Dec. Partly cloudy 9° / -2° Moderate south wind 20 - 41 km/h
    • Monday 29 Dec. Light rain with partly cloudy skies 60% 0.7 mm 16° / -2° Strong west wind 28 - 64 km/h
    • Tuesday 30 Dec. Partly cloudy 0° / -4° Very strong west wind 33 - 75 km/h
    • Wednesday 31 Dec. Partly cloudy 6° / -5° Moderate southwest wind 16 - 36 km/h
    • Thursday 1 Jan. Overcast 4° / -3° Moderate southwest wind 11 - 34 km/h
    • Friday 2 Jan. Scattered clouds 3° / -7° Moderate north wind 10 - 37 km/h

    Weather Forecast for Herndon, VA Today

    , 27 December

    Tomorrow

    , 28 December
    08:00 Overcast 5° Overcast
    Feels Like 2°
    Moderate north wind North 15 - 32 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 10171 ft
    09:00 Overcast 5° Overcast
    Feels Like 2°
    Moderate north wind North 19 - 39 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 97%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 10171 ft
    10:00 Overcast 6° Overcast
    Feels Like 2°
    Moderate north wind North 19 - 41 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 9843 ft
    11:00 Overcast 6° Overcast
    Feels Like 3°
    Moderate north wind North 17 - 40 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 67%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 97%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 9843 ft
    12:00 Overcast 6° Overcast
    Feels Like 4°
    Moderate north wind North 16 - 38 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 38 km/h
    • Snowline Snowline 10171 ft
    13:00 Overcast 7° Overcast
    Feels Like 4°
    Moderate north wind North 14 - 36 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 63%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 10171 ft
    Overcast 14:00 Overcast 7° Overcast
    Feels Like 5°
    Moderate north wind North 12 - 31 km/h
    		UV Index 1 Low SPF: no
    14:00 Overcast 7° Overcast
    Feels Like 5°
    Moderate north wind North 12 - 31 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 10499 ft
    15:00 Overcast 7° Overcast
    Feels Like 5°
    Moderate north wind North 11 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 10499 ft
    16:00 Overcast 6° Overcast
    Feels Like 4°
    Moderate northeast wind Northeast 11 - 25 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 11 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 25 km/h
    • Snowline Snowline 10171 ft
    Partly cloudy 17:00 Partly cloudy 4° Partly cloudy
    Feels Like 2°
    Moderate northeast wind Northeast 10 - 24 km/h
    		UV Index 0 Low SPF: no
    17:00 Overcast 4° Overcast
    Feels Like 2°
    Moderate northeast wind Northeast 10 - 24 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 66%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Snowline Snowline 9843 ft
    18:00 Scattered clouds 3° Scattered clouds
    Feels Like 0°
    Moderate northeast wind Northeast 10 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 20%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 10171 ft
    19:00 Scattered clouds 2° Scattered clouds
    Feels Like -1°
    Gentle northeast wind Northeast 9 - 19 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 13%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 9 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 10171 ft
    Clear 20:00 Clear skies 1° Clear
    Feels Like -1°
    Gentle northeast wind Northeast 8 - 17 km/h
    		UV Index 0 Low SPF: no
    20:00 Scattered clouds 1° Scattered clouds
    Feels Like -1°
    Gentle northeast wind Northeast 8 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 83%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 8%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 10171 ft
    21:00 Clear skies 1° Clear
    Feels Like -1°
    Gentle northeast wind Northeast 7 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 6%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 10171 ft
    22:00 Clear skies 0° Clear
    Feels Like -2°
    Gentle east wind East 6 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 87%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 7%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 10171 ft
    Scattered clouds 23:00 Scattered clouds -1° Scattered clouds
    Feels Like -2°
    Gentle east wind East 5 - 10 km/h
    		UV Index 0 Low SPF: no
    23:00 Scattered clouds -1° Scattered clouds
    Feels Like -2°
    Gentle east wind East 5 - 10 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 10%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1023 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 10 km/h
    • Snowline Snowline 10171 ft
    24:00 Scattered clouds -1° Scattered clouds
    Feels Like -2°
    Gentle southeast wind Southeast 4 - 8 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 91%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 26%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1023 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 8 km/h
    • Snowline Snowline 10171 ft

    Sunrise and Sunset

    Sunrise 07:27 Sunset 16:54
    First light 06:57 Midday 12:10 Last light 17:24
    Day length 9h 27m

    Remaining daylight 9h 23m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter
    1 First Quarter
    2 Full Moon
    3 Full Moon
    4 Full Moon
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter
    8 Last Quarter
    9 Last Quarter

    Air quality in Herndon today

    Detail
    34
    Fair PM₂₅ (19 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

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