Forecast

    New Castle Northwest, PA
    Forecast for New Castle Northwest, PA | Forecast Periods: 14
    Tuesday
    Jul 1
    2025

    New Castle Northwest, PA

    Updated: 1:45 AM EDT

    69°F

    Mostly Cloudy

    3 mph SW
    Precipitation: 14%

    Mostly cloudy, with a low around 69. Southwest wind around 3 mph. New rainfall amounts less than a tenth of an inch possible.

    24-Hour Temperature & Dewpoint Trend

    8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM2 AM4 AM6 AM020406080Temperature (°F)0255075100Percent (%)
    • Temperature
    • Dewpoint
    • Humidity
    • Precipitation

    Hourly Forecast

    TUE03:00
    71°F
    Mostly Cloudy
    Dewpoint:22°Humidity:100%Precip:9%
    TUE04:00
    71°F
    Mostly Cloudy
    Dewpoint:22°Humidity:100%Precip:12%
    TUE05:00
    71°F
    Mostly Cloudy
    Dewpoint:22°Humidity:100%Precip:14%
    TUE06:00
    70°F
    Isolated Rain Showers
    Dewpoint:21°Humidity:100%Precip:17%
    TUE07:00
    72°F
    Isolated Rain Showers
    Dewpoint:21°Humidity:97%Precip:18%
    TUE08:00
    73°F
    Isolated Showers And Thunderstorms
    Dewpoint:22°Humidity:95%Precip:24%
    TUE09:00
    75°F
    Isolated Showers And Thunderstorms
    Dewpoint:23°Humidity:91%Precip:20%
    TUE10:00
    78°F
    Isolated Showers And Thunderstorms
    Dewpoint:23°Humidity:85%Precip:24%
    TUE11:00
    79°F
    Scattered Showers And Thunderstorms
    Dewpoint:23°Humidity:82%Precip:46%
    TUE12:00
    79°F
    Scattered Showers And Thunderstorms
    Dewpoint:23°Humidity:81%Precip:52%
    TUE13:00
    79°F
    Scattered Showers And Thunderstorms
    Dewpoint:22°Humidity:78%Precip:36%
    TUE14:00
    80°F
    Isolated Showers And Thunderstorms
    Dewpoint:22°Humidity:74%Precip:22%
    TUE15:00
    80°F
    Mostly Cloudy
    Dewpoint:21°Humidity:70%Precip:14%
    TUE16:00
    80°F
    Isolated Showers And Thunderstorms
    Dewpoint:21°Humidity:70%Precip:16%
    TUE17:00
    79°F
    Scattered Showers And Thunderstorms
    Dewpoint:21°Humidity:72%Precip:28%
    TUE18:00
    79°F
    Isolated Showers And Thunderstorms
    Dewpoint:21°Humidity:72%Precip:24%
    TUE19:00
    78°F
    Mostly Cloudy
    Dewpoint:21°Humidity:75%Precip:12%
    WED20:00
    76°F
    Mostly Cloudy
    Dewpoint:21°Humidity:81%Precip:3%
    WED21:00
    74°F
    Partly Cloudy
    Dewpoint:21°Humidity:87%Precip:3%
    WED22:00
    71°F
    Partly Cloudy
    Dewpoint:20°Humidity:91%Precip:3%
    WED23:00
    69°F
    Patchy Fog
    Dewpoint:19°Humidity:95%Precip:5%
    WED00:00
    68°F
    Patchy Fog
    Dewpoint:19°Humidity:95%Precip:7%
    WED01:00
    67°F
    Patchy Fog
    Dewpoint:19°Humidity:98%Precip:4%
    WED02:00
    66°F
    Patchy Fog
    Dewpoint:19°Humidity:97%Precip:2%

    7-Day Forecast

    Tuesday

    Tue, Jul 1
    83°F
    Scattered Showers And Thunderstorms
    5 mph W
    Precipitation: 52%
    Isolated rain showers before 8am, then scattered showers and thunderstorms. Mostly cloudy, with a high near 83. West wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

    Tuesday Night

    Tue, Jul 1
    63°F
    Isolated Showers And Thunderstorms then Patchy Fog
    0 mph W
    Precipitation: 24%
    Isolated showers and thunderstorms before 7pm, then patchy fog. Partly cloudy, with a low around 63. West wind 0 to 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

    Wednesday

    Wed, Jul 2
    85°F
    Patchy Fog then Sunny
    0 mph N
    Precipitation: 4%
    Patchy fog before 9am. Sunny, with a high near 85. North wind 0 to 5 mph.

    Wednesday Night

    Wed, Jul 2
    62°F
    Mostly Clear then Patchy Fog
    0 mph NW
    Precipitation: 4%
    Patchy fog between 2am and 5am. Mostly clear, with a low around 62. Northwest wind 0 to 3 mph.

    Thursday

    Thu, Jul 3
    84°F
    Sunny then Slight Chance Showers And Thunderstorms
    1 mph W
    Precipitation: 15%
    A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 84. Chance of precipitation is 20%.

    Thursday Night

    Thu, Jul 3
    60°F
    Slight Chance Showers And Thunderstorms then Mostly Clear
    0 mph NW
    Precipitation: 15%
    A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 60.

    Independence Day

    Fri, Jul 4
    87°F
    Sunny
    2 mph W
    Precipitation: 7%
    Sunny, with a high near 87.

    Friday Night

    Fri, Jul 4
    65°F
    Partly Cloudy
    2 mph NE
    Precipitation: 7%
    Partly cloudy, with a low around 65.

    Saturday

    Sat, Jul 5
    90°F
    Mostly Sunny
    1 mph S
    Precipitation: 11%
    Mostly sunny, with a high near 90.

    Saturday Night

    Sat, Jul 5
    69°F
    Partly Cloudy
    5 mph SW
    Precipitation: 14%
    Partly cloudy, with a low around 69.

    Sunday

    Sun, Jul 6
    91°F
    Slight Chance Rain Showers then Chance Showers And Thunderstorms
    2 mph SW
    Precipitation: 34%
    A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.

    Sunday Night

    Sun, Jul 6
    70°F
    Chance Showers And Thunderstorms
    2 mph SW
    Precipitation: 34%
    A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Monday

    Mon, Jul 7
    90°F
    Chance Showers And Thunderstorms
    2 mph W
    Precipitation: 42%
    A chance of showers and thunderstorms. Mostly sunny, with a high near 90.

    Display Settings

    Weather Insights

    Temperature

    The current temperature in New Castle Northwest is 69°F.

    Wind

    The wind in New Castle Northwest is currently blowing from the SW at 3 mph.

    Humidity

    Humidity data is not available for this period.

    Precipitation

    There is a 14% chance of precipitation.

    Dew Point

    Dewpoint data is not available for this period.