10-Day Weather Forecast - New Castle, DE

As of

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  • 61|44°F
    Thunderstorms

    Today

    61°F

    A chance of showers this morning, then showers with a slight chance of thunderstorms this afternoon. Highs in the lower 60s. Southeast winds around 5 mph, becoming west this afternoon. Chance of rain 90 percent.

    Tonight

    44°F

    Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows around 40. Northwest winds 10 to 15 mph. Chance of rain 50 percent.

    Hourly details
  • 47|37°F
    Rain

    Day

    47°F

    Rain, mainly in the morning. Much cooler with highs in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

    Night

    37°F

    Mostly cloudy. Lows in the lower 30s. Northwest winds around 10 mph with gusts up to 25 mph.

    Hourly details
  • 46|40°F
    Partly Sunny

    Day

    46°F

    Partly sunny. Highs in the upper 40s. Northwest winds 10 to 15 mph.

    Night

    40°F

    Partly cloudy in the evening, then clearing. Lows in the lower 30s.

    Hourly details
  • 50|36°F
    Mostly Sunny

    Day

    50°F

    Mostly sunny. Highs in the lower 50s.

    Night

    36°F

    Partly cloudy in the evening, then clearing. Lows in the lower 30s.

    Hourly details
  • 51|33°F
    Sunny

    Day

    51°F

    Sunny. Highs in the lower 50s.

    Night

    33°F

    Mostly clear. Cold with lows in the lower 30s.

    Hourly details
  • 54|36°F
    Sunny

    Day

    54°F

    Sunny. Highs in the lower 50s.

    Night

    36°F

    Mostly clear. Cold with lows in the lower 30s.

    Hourly details
  • 58|39°F
    Sunny

    Day

    58°F

    Sunny. Highs in the upper 50s.

    Night

    39°F

    Clear. Low temperature around 39F. Dew point will be around 32F with an average humidity of 72%. Winds will be 5 mph from the NW.

  • 60|38°F
    Sunny

    Day

    60°F

    Sunny. High temperature around 60F. Dew point will be around 38F with an average humidity of 56%. Winds will be 5 mph from the NNW.

    Night

    38°F

    Mostly clear. Low temperature around 38F. Dew point will be around 35F with an average humidity of 79%. Winds will be 5 mph from the N.

  • 59|38°F
    Sunny

    Day

    59°F

    Sunny. High temperature around 59F. Dew point will be around 43F with an average humidity of 70%. Winds will be 4 mph from the NE.

    Night

    38°F

    Partly cloudy. Low temperature around 38F. Dew point will be around 40F with an average humidity of 94%. Winds will be 3 mph from the S.

  • 56|43°F
    Mostly Cloudy

    Day

    56°F

    Mostly cloudy. High temperature around 56F. Dew point will be around 47F with an average humidity of 82%. Winds will be 6 mph from the SW.

    Night

    43°F

    Partly cloudy. Low temperature around 43F. Dew point will be around 39F with an average humidity of 85%. Winds will be 6 mph from the W.