Herndon, VA Weather

    10:00 Sunday
    Overcast
    Overcast
    3° Feels like 0°
    Moderate south wind South 10 - 24 km/h
    • Today 28 Dec. Overcast 10° / 0° Moderate south wind 22 - 45 km/h
    • Tomorrow 29 Dec. Light rain with partly cloudy skies 70% 0.9 mm 14° / -1° Strong west wind 33 - 73 km/h
    • Tuesday 30 Dec. Scattered clouds 1° / -3° Strong northwest wind 28 - 62 km/h
    • Wednesday 31 Dec. Partly cloudy 5° / -4° Moderate west wind 15 - 41 km/h
    • Thursday 1 Jan. Snow with partly cloudy skies 30% 0.8 mm 1° / -6° Moderate northwest wind 18 - 39 km/h
    • Friday 2 Jan. Scattered clouds -2° / -9° Moderate northwest wind 18 - 48 km/h
    • Saturday 3 Jan. Partly cloudy 2° / -5° Gentle east wind 6 - 16 km/h

    Weather Forecast for Herndon, VA Today

    , 28 December

    Tomorrow

    , 29 December
    10:00 Overcast 3° Overcast
    Feels Like 0°
    Moderate south wind South 10 - 24 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 74%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 0 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Snowline Snowline 7874 ft
    11:00 Overcast 4° Overcast
    Feels Like 2°
    Moderate south wind South 12 - 28 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 10171 ft
    12:00 Overcast 5° Overcast
    Feels Like 2°
    Moderate south wind South 14 - 31 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 66%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 2 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 10171 ft
    13:00 Overcast 6° Overcast
    Feels Like 4°
    Moderate south wind South 13 - 32 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 61%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 98%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 13 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 10499 ft
    14:00 Overcast 7° Overcast
    Feels Like 5°
    Moderate south wind South 16 - 34 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 60%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 98%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 10827 ft
    15:00 Partly cloudy 7° Partly cloudy
    Feels Like 4°
    Moderate south wind South 16 - 35 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 10% 0 mm
    • Humidity Humidity 65%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 87%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 35 km/h
    • Snowline Snowline 11483 ft
    16:00 Partly cloudy 6° Partly cloudy
    Feels Like 4°
    Moderate south wind South 14 - 32 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 70%
    • Dew Point Dew Point 1 °C
    • Clouds Clouds 87%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 11483 ft
    Partly cloudy 17:00 Partly cloudy 6° Partly cloudy
    Feels Like 3°
    Moderate south wind South 16 - 32 km/h
    		UV Index 0 Low SPF: no
    17:00 Partly cloudy 6° Partly cloudy
    Feels Like 3°
    Moderate south wind South 16 - 32 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 73%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 88%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 11811 ft
    18:00 Partly cloudy 6° Partly cloudy
    Feels Like 3°
    Moderate south wind South 18 - 36 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 74%
    • Dew Point Dew Point 2 °C
    • Clouds Clouds 94%
    • Feels Like Feels Like 3 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 18 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 36 km/h
    • Snowline Snowline 12139 ft
    19:00 Overcast 7° Overcast
    Feels Like 4°
    Moderate south wind South 19 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 75%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 4 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 11811 ft
    Overcast 20:00 Overcast 8° Overcast
    Feels Like 5°
    Moderate south wind South 21 - 42 km/h
    		UV Index 0 Low SPF: no
    20:00 Overcast 8° Overcast
    Feels Like 5°
    Moderate south wind South 21 - 42 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 74%
    • Dew Point Dew Point 3 °C
    • Clouds Clouds 98%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 42 km/h
    • Snowline Snowline 11811 ft
    21:00 Overcast 8° Overcast
    Feels Like 5°
    Moderate south wind South 22 - 44 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point 4 °C
    • Clouds Clouds 98%
    • Feels Like Feels Like 5 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 11483 ft
    22:00 Overcast 9° Overcast
    Feels Like 6°
    Moderate south wind South 22 - 44 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 80%
    • Dew Point Dew Point 5 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 6 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 22 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 12139 ft
    Overcast 23:00 Overcast 9° Overcast
    Feels Like 7°
    Moderate south wind South 21 - 45 km/h
    		UV Index 0 Low SPF: no
    23:00 Overcast 9° Overcast
    Feels Like 7°
    Moderate south wind South 21 - 45 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 7 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1008 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 45 km/h
    • Snowline Snowline 12139 ft
    24:00 Overcast 10° Overcast
    Feels Like 10°
    Moderate southwest wind Southwest 21 - 43 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 83%
    • Dew Point Dew Point 7 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 10 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1007 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 43 km/h
    • Snowline Snowline 12139 ft

    Sunrise and Sunset

    Sunrise 07:27 Sunset 16:55
    First light 06:57 Midday 12:11 Last light 17:25
    Day length 9h 28m

    Remaining daylight 6h 39m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    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
    10 Last Quarter

    Air quality in Herndon today

    Detail
    27
    Fair PM₂₅ (15 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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