Forecast

    Forecast for New Castle, PA | Forecast Periods: 14
    Monday
    Mar 16
    2026

    New Castle, PA

    Updated: 2:21 PM EDT

    64°F

    Slight Chance Sleet

    15 mph SW
    Precipitation: 87%

    A chance of rain showers before 4pm, then a slight chance of sleet and rain and snow showers. Cloudy. High near 64, with temperatures falling to around 35 in the afternoon. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Hourly Forecast

    MON15:00
    38°F
    Chance Rain Showers
    Dewpoint:0.6°Precip:52%Humidity:80%Wind:15 mph W
    MON16:00
    37°F
    Slight Chance Sleet
    Dewpoint:0°Precip:64%Humidity:82%Wind:14 mph SW
    MON17:00
    35°F
    Snow Showers
    Dewpoint:-0.6°Precip:87%Humidity:84%Wind:13 mph SW
    MON18:00
    34°F
    Snow Showers
    Dewpoint:-0.6°Precip:87%Humidity:88%Wind:13 mph SW
    MON19:00
    32°F
    Snow Showers Likely
    Dewpoint:-1.7°Precip:74%Humidity:87%Wind:14 mph W
    TUE20:00
    30°F
    Snow Showers Likely
    Dewpoint:-2.8°Precip:68%Humidity:88%Wind:14 mph W
    TUE21:00
    28°F
    Slight Chance Snow Showers
    Dewpoint:-3.9°Precip:24%Humidity:85%Wind:14 mph W
    TUE22:00
    28°F
    Chance Snow Showers
    Dewpoint:-5.6°Precip:28%Humidity:78%Wind:14 mph W
    TUE23:00
    26°F
    Chance Snow Showers
    Dewpoint:-6.7°Precip:37%Humidity:78%Wind:15 mph W
    TUE00:00
    24°F
    Chance Snow Showers
    Dewpoint:-7.8°Precip:37%Humidity:78%Wind:15 mph W
    TUE01:00
    24°F
    Chance Snow Showers
    Dewpoint:-7.8°Precip:37%Humidity:77%Wind:15 mph W
    TUE02:00
    23°F
    Chance Snow Showers
    Dewpoint:-10.6°Precip:37%Humidity:67%Wind:15 mph W
    TUE03:00
    22°F
    Chance Snow Showers
    Dewpoint:-10.6°Precip:32%Humidity:66%Wind:15 mph W
    TUE04:00
    22°F
    Chance Snow Showers
    Dewpoint:-11.1°Precip:27%Humidity:66%Wind:15 mph W
    TUE05:00
    21°F
    Chance Snow Showers
    Dewpoint:-11.7°Precip:36%Humidity:66%Wind:14 mph W
    TUE06:00
    21°F
    Chance Snow Showers
    Dewpoint:-11.1°Precip:46%Humidity:66%Wind:14 mph W
    TUE07:00
    21°F
    Chance Snow Showers
    Dewpoint:-11.1°Precip:46%Humidity:67%Wind:14 mph W
    TUE08:00
    21°F
    Chance Snow Showers
    Dewpoint:-11.1°Precip:45%Humidity:66%Wind:13 mph W
    TUE09:00
    22°F
    Chance Snow Showers
    Dewpoint:-11.1°Precip:45%Humidity:66%Wind:13 mph W
    TUE10:00
    23°F
    Chance Snow Showers
    Dewpoint:-11.1°Precip:45%Humidity:62%Wind:13 mph W
    TUE11:00
    26°F
    Chance Snow Showers
    Dewpoint:-11.1°Precip:44%Humidity:56%Wind:13 mph W
    TUE12:00
    27°F
    Chance Snow Showers
    Dewpoint:-11.1°Precip:44%Humidity:53%Wind:13 mph W
    TUE13:00
    28°F
    Chance Snow Showers
    Dewpoint:-11.1°Precip:32%Humidity:50%Wind:13 mph W
    TUE14:00
    29°F
    Slight Chance Snow Showers
    Dewpoint:-11.1°Precip:19%Humidity:47%Wind:13 mph W

    Extended Forecast

    Tonight

    Mon, Mar 16
    20°F
    Snow Showers
    15 mph W
    Precipitation: 87%
    Snow showers. Mostly cloudy, with a low around 20. West wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Tuesday

    Tue, Mar 17
    30°F
    Chance Snow Showers
    10 mph W
    Precipitation: 46%
    A chance of snow showers before 5pm. Mostly cloudy, with a high near 30. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

    Tuesday Night

    Tue, Mar 17
    16°F
    Mostly Cloudy
    2 mph SW
    Precipitation: 20%
    Mostly cloudy, with a low around 16. Southwest wind 2 to 9 mph. Chance of precipitation is 20%. New snow accumulation of less than half an inch possible.

    Wednesday

    Wed, Mar 18
    38°F
    Partly Sunny
    2 mph S
    Precipitation: 4%
    Partly sunny, with a high near 38. South wind 2 to 8 mph.

    Wednesday Night

    Wed, Mar 18
    31°F
    Slight Chance Light Snow
    3 mph S
    Precipitation: 20%
    A slight chance of snow between 8pm and 11pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Thursday

    Thu, Mar 19
    52°F
    Slight Chance Light Rain
    3 mph SW
    Precipitation: 21%
    A slight chance of rain. Mostly cloudy, with a high near 52.

    Thursday Night

    Thu, Mar 19
    36°F
    Slight Chance Light Rain
    3 mph SW
    Precipitation: 21%
    A slight chance of rain before 2am. Mostly cloudy, with a low around 36.

    Friday

    Fri, Mar 20
    58°F
    Chance Light Rain
    2 mph SW
    Precipitation: 39%
    A chance of rain after 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.

    Friday Night

    Fri, Mar 20
    38°F
    Chance Light Rain
    7 mph W
    Precipitation: 47%
    A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.

    Saturday

    Sat, Mar 21
    58°F
    Slight Chance Light Rain
    7 mph W
    Precipitation: 23%
    A slight chance of rain. Mostly cloudy, with a high near 58.

    Saturday Night

    Sat, Mar 21
    38°F
    Slight Chance Light Rain
    7 mph SW
    Precipitation: 19%
    A slight chance of rain. Mostly cloudy, with a low around 38.

    Sunday

    Sun, Mar 22
    57°F
    Slight Chance Light Rain
    7 mph W
    Precipitation: 23%
    A slight chance of rain. Partly sunny, with a high near 57.

    Sunday Night

    Sun, Mar 22
    31°F
    Slight Chance Light Rain
    7 mph NW
    Precipitation: 23%
    A slight chance of rain before 2am. Mostly cloudy, with a low around 31.

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