National Weather Service forecast

New Castle, Delaware Weather

53°Overnight: Mostly Clear
Wind S 5 mph
7-DayHourlyRadar

New Castle 7-Day Forecast

  1. Overnight
    53°F
    Mostly Clear
    2% chance of precipitation

    Mostly clear, with a low around 53. South wind around 5 mph.

  2. Wednesday
    74°F
    Patchy Fog then Sunny
    5% chance of precipitation

    Patchy fog between 7am and 8am. Sunny. High near 74, with temperatures falling to around 68 in the afternoon. South wind 5 to 10 mph.

  3. Wednesday Night
    61°F
    Mostly Cloudy
    5% chance of precipitation

    Mostly cloudy, with a low around 61. South wind around 5 mph.

  4. Thursday
    74°F
    Chance Light Rain
    37% chance of precipitation

    A chance of rain after 7am. Mostly cloudy, with a high near 74. South wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

  5. Thursday Night
    64°F
    Light Rain
    83% chance of precipitation

    A chance of rain before 1am, then rain and a slight chance of thunderstorms. Mostly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

  6. Friday
    69°F
    Light Rain
    83% chance of precipitation

    Rain before 10am, then rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

  7. Friday Night
    55°F
    Light Rain
    77% chance of precipitation

    Rain. Mostly cloudy, with a low around 55. Chance of precipitation is 80%.

  8. Saturday
    66°F
    Chance Light Rain then Mostly Sunny
    28% chance of precipitation

    A chance of rain before 7am. Mostly sunny, with a high near 66. Chance of precipitation is 30%.

  9. Saturday Night
    46°F
    Partly Cloudy
    14% chance of precipitation

    Partly cloudy, with a low around 46.

  10. Sunday
    61°F
    Mostly Sunny
    6% chance of precipitation

    Mostly sunny, with a high near 61.

  11. Sunday Night
    45°F
    Slight Chance Light Rain
    19% chance of precipitation

    A slight chance of rain after 7pm. Partly cloudy, with a low around 45.

  12. Monday
    61°F
    Slight Chance Light Rain
    22% chance of precipitation

    A slight chance of rain. Mostly sunny, with a high near 61.

  13. Monday Night
    43°F
    Slight Chance Light Rain
    21% chance of precipitation

    A slight chance of rain before 1am. Partly cloudy, with a low around 43.

  14. Tuesday
    63°F
    Sunny
    14% chance of precipitation

    Sunny, with a high near 63.

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

New Castle Hourly Forecast

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About New Castle

Population (2020 Census)
5,551
Coordinates
39.670, -75.567
Elevation
3 ft
NWS forecast office
PHI
Time zone
America/New York
Sunrise today
6:33 AM EST
Sunset today
4:57 PM EST
Daylight today
10 h 24 min

New Castle Weather Questions

What is the weather forecast for New Castle, Delaware?

Overnight: Mostly clear, with a low around 53. South wind around 5 mph. Wednesday: Patchy fog between 7am and 8am. Sunny. High near 74, with temperatures falling to around 68 in the afternoon. South wind 5 to 10 mph.

Will it rain or snow in New Castle this week?

The best chance of precipitation is Thursday Night at 83%. Periods with a 30% chance or more: Thursday (37%), Thursday Night (83%), Friday (83%), Friday Night (77%).

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

The warmest day is Wednesday, with a high near 74°F. The coldest night is Monday Night, with a low near 43°F.

What time are sunrise and sunset in New Castle today?

Sunrise is at 6:33 AM EST and sunset is at 4:57 PM EST, for 10 h 24 min of daylight.

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