Herndon, VA Weather

    03:00 Wednesday
    Clear
    Clear skies
    9° Feels like 6°
    First Quarter First Quarter Illuminated: 20%
    • Today 24 Dec. Scattered clouds 9° / 3° Moderate northwest wind 20 - 43 km/h
    • Tomorrow 25 Dec. Scattered clouds 14° / 0° Moderate northwest wind 17 - 37 km/h
    • Friday 26 Dec. Rain and snow with partly cloud skies 90% 4.8 mm 1° / -2° Moderate southeast wind 15 - 31 km/h
    • Saturday 27 Dec. Light rain with partly cloudy skies 60% 0.8 mm 7° / 1° Moderate southeast wind 9 - 22 km/h
    • Sunday 28 Dec. Overcast 10° / 1° Moderate south wind 22 - 45 km/h
    • Monday 29 Dec. Light rain with partly cloudy skies 40% 0.6 mm 11° / -4° Strong northwest wind 30 - 65 km/h
    • Tuesday 30 Dec. Scattered clouds 1° / -5° Moderate northwest wind 19 - 48 km/h

    Weather Forecast for Herndon, VA Today

    , 24 December

    Tomorrow

    , 25 December
    04:00 Clear skies 9° Clear
    Feels Like 6°
    Moderate northwest wind Northwest 15 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 2%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 9186 ft
    05:00 Clear skies 8° Clear
    Feels Like 5°
    Moderate northwest wind Northwest 16 - 30 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point 5 °C
    • Clouds Clouds 2%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 30 km/h
    • Snowline Snowline 8858 ft
    06:00 Clear skies 7° Clear
    Feels Like 4°
    Moderate northwest wind Northwest 17 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 2%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 8202 ft
    07:00 Clear 5° Sunny
    Feels Like 2°
    Moderate northwest wind Northwest 18 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 7546 ft
    Sunny 08:00 Clear 4° Sunny
    Feels Like 1°
    Moderate northwest wind Northwest 18 - 36 km/h
    		UV Index 0 Low SPF: no
    08:00 Clear 4° Sunny
    Feels Like 1°
    Moderate northwest wind Northwest 18 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 69%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1023 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 7546 ft
    09:00 Clear 5° Sunny
    Feels Like 2°
    Moderate northwest wind Northwest 17 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1024 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 7546 ft
    10:00 Clear 5° Sunny
    Feels Like 2°
    Moderate northwest wind Northwest 20 - 42 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 54%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 9%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 7546 ft
    Sunny 11:00 Clear 6° Sunny
    Feels Like 3°
    Moderate northwest wind Northwest 19 - 42 km/h
    		UV Index 1 Low SPF: no
    11:00 Clear 6° Sunny
    Feels Like 3°
    Moderate northwest wind Northwest 19 - 42 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 50%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 6%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 7546 ft
    12:00 Clear 7° Sunny
    Feels Like 4°
    Moderate northwest wind Northwest 18 - 41 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 47%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 7546 ft
    13:00 Scattered clouds 8° Scattered clouds
    Feels Like 5°
    Moderate northwest wind Northwest 16 - 39 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 45%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 18%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1024 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 39 km/h
    • Snowline Snowline 7546 ft
    Scattered clouds 14:00 Scattered clouds 8° Scattered clouds
    Feels Like 6°
    Moderate northwest wind Northwest 15 - 37 km/h
    		UV Index 1 Low SPF: no
    14:00 Scattered clouds 8° Scattered clouds
    Feels Like 6°
    Moderate northwest wind Northwest 15 - 37 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 44%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 41%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1024 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 7546 ft
    15:00 Scattered clouds 8° Scattered clouds
    Feels Like 7°
    Moderate northwest wind Northwest 12 - 33 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 44%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 33 km/h
    • Snowline Snowline 7874 ft
    16:00 Scattered clouds 8° Scattered clouds
    Feels Like 7°
    Moderate northwest wind Northwest 7 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 51%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 8202 ft
    Scattered clouds 17:00 Scattered clouds 6° Scattered clouds
    Feels Like 5°
    Gentle northwest wind Northwest 5 - 14 km/h
    		UV Index 0 Low SPF: no
    17:00 Scattered clouds 6° Scattered clouds
    Feels Like 5°
    Gentle northwest wind Northwest 5 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 8202 ft
    18:00 Scattered clouds 5° Scattered clouds
    Feels Like 5°
    Gentle northwest wind Northwest 3 - 8 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 50%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 8 km/h
    • Snowline Snowline 8202 ft
    19:00 Scattered clouds 5° Scattered clouds
    Feels Like 8°
    Gentle east wind East 0 - 4 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 62%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 52%
    • Feels Like Feels Like 8 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 0 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 4 km/h
    • Snowline Snowline 8202 ft
    Scattered clouds 20:00 Scattered clouds 4° Scattered clouds
    Feels Like 5°
    Gentle east wind East 2 - 4 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy 4° Partly cloudy
    Feels Like 5°
    Gentle east wind East 2 - 4 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 53%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 2 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 4 km/h
    • Snowline Snowline 7874 ft
    21:00 Partly cloudy 4° Partly cloudy
    Feels Like 3°
    Gentle east wind East 5 - 8 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 57%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1026 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 8 km/h
    • Snowline Snowline 8202 ft
    22:00 Partly cloudy 4° Partly cloudy
    Feels Like 2°
    Gentle east wind East 7 - 13 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 81%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 7 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 8202 ft
    Partly cloudy 23:00 Partly cloudy 4° Partly cloudy
    Feels Like 2°
    Gentle southeast wind Southeast 6 - 12 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast 4° Overcast
    Feels Like 2°
    Gentle southeast wind Southeast 6 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 89%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1025 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 8530 ft
    24:00 Overcast 3° Overcast
    Feels Like 2°
    Gentle southeast wind Southeast 6 - 11 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 71%
    • Dew Point Dew Point -2 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1024 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Snowline Snowline 8530 ft

    Sunrise and Sunset

    Sunrise 07:26 Sunset 16:52
    First light 06:56 Midday 12:09 Last light 17:22
    Day length 9h 26m

    Time remaining until sunrise 3h 37m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    24 First Quarter
    25 First Quarter
    26 First Quarter
    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

    Air quality in Herndon today

    Detail
    55
    Moderate PM₂₅ (42 µg/m³)
    • Possible health risk.
    • Enjoy your usual outdoor activities if you do not experience symptoms.
    • Sensitive people should limit prolonged or intense outdoor activities.

    Weather graphs
    Maximum Minimum Rainfall

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