National Weather Service forecast

Herndon, Pennsylvania Weather

46°Overnight: Patchy Fog
Wind SE 1 mph
7-DayHourlyRadar

Herndon 7-Day Forecast

  1. Overnight
    46°F
    Patchy Fog

    Patchy fog. Partly cloudy, with a low around 46. Southeast wind around 1 mph.

  2. Wednesday
    73°F
    Patchy Fog then Mostly Sunny
    1% chance of precipitation

    Patchy fog before 9am. Mostly sunny, with a high near 73. South wind 0 to 7 mph.

  3. Wednesday Night
    58°F
    Mostly Cloudy then Light Rain Likely
    74% chance of precipitation

    Rain likely after midnight. Mostly cloudy, with a low around 58. Southeast wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

  4. Thursday
    73°F
    Light Rain
    91% chance of precipitation

    Rain. Mostly cloudy, with a high near 73. South wind 2 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

  5. Thursday Night
    52°F
    Chance Light Rain then Mostly Cloudy
    32% chance of precipitation

    A chance of rain before 7pm. Mostly cloudy, with a low around 52. Southwest wind around 1 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

  6. Friday
    68°F
    Slight Chance Light Rain
    16% chance of precipitation

    A slight chance of rain between 7am and 1pm. Partly sunny, with a high near 68. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

  7. Friday Night
    44°F
    Partly Cloudy
    13% chance of precipitation

    Partly cloudy, with a low around 44.

  8. Saturday
    61°F
    Slight Chance Light Rain
    21% chance of precipitation

    A slight chance of rain after 7am. Partly sunny, with a high near 61.

  9. Saturday Night
    38°F
    Slight Chance Light Rain
    20% chance of precipitation

    A slight chance of rain before 1am. Mostly cloudy, with a low around 38.

  10. Sunday
    58°F
    Mostly Sunny
    5% chance of precipitation

    Mostly sunny, with a high near 58.

  11. Sunday Night
    35°F
    Partly Cloudy
    6% chance of precipitation

    Partly cloudy, with a low around 35.

  12. Monday
    58°F
    Mostly Sunny
    6% chance of precipitation

    Mostly sunny, with a high near 58.

  13. Monday Night
    34°F
    Partly Cloudy
    6% chance of precipitation

    Partly cloudy, with a low around 34.

  14. Tuesday
    62°F
    Mostly Sunny
    2% chance of precipitation

    Mostly sunny, with a high near 62.

Issued by the National Weather Service (CTP office), updated .

Herndon Hourly Forecast

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About Herndon

Population (2020 Census)
347
Coordinates
40.712, -76.851
Elevation
397 ft
NWS forecast office
CTP
Time zone
America/New York
Sunrise today
6:41 AM EST
Sunset today
5:00 PM EST
Daylight today
10 h 20 min

Herndon Weather Questions

What is the weather forecast for Herndon, Pennsylvania?

Overnight: Patchy fog. Partly cloudy, with a low around 46. Southeast wind around 1 mph. Wednesday: Patchy fog before 9am. Mostly sunny, with a high near 73. South wind 0 to 7 mph.

Will it rain or snow in Herndon this week?

The best chance of precipitation is Thursday at 91%. Periods with a 30% chance or more: Wednesday Night (74%), Thursday (91%), Thursday Night (32%).

How warm and how cold will it get in Herndon this week?

The warmest day is Wednesday, with a high near 73°F. The coldest night is Monday Night, with a low near 34°F.

What time are sunrise and sunset in Herndon today?

Sunrise is at 6:41 AM EST and sunset is at 5:00 PM EST, for 10 h 20 min of daylight.

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