Forecast

    Forecast for Chester, PA | Forecast Periods: 14
    Sunday
    Mar 15
    2026

    Chester, PA

    Updated: 4:13 PM EDT

    56°F

    Mostly Cloudy

    15 mph SE
    Precipitation: 8%

    Mostly cloudy, with a high near 56. Southeast wind around 15 mph.

    Hourly Forecast

    SUN16:00
    54°F
    Mostly Cloudy
    Dewpoint:0.6°Precip:4%Humidity:45%Wind:15 mph SE
    SUN17:00
    54°F
    Mostly Cloudy
    Dewpoint:1.7°Precip:8%Humidity:48%Wind:15 mph SE
    SUN18:00
    54°F
    Cloudy
    Dewpoint:2.2°Precip:7%Humidity:50%Wind:15 mph E
    SUN19:00
    53°F
    Cloudy
    Dewpoint:2.8°Precip:10%Humidity:54%Wind:10 mph E
    MON20:00
    51°F
    Cloudy
    Dewpoint:3.9°Precip:4%Humidity:63%Wind:10 mph E
    MON21:00
    50°F
    Cloudy
    Dewpoint:5°Precip:9%Humidity:71%Wind:15 mph E
    MON22:00
    52°F
    Cloudy
    Dewpoint:6.1°Precip:13%Humidity:71%Wind:10 mph E
    MON23:00
    52°F
    Chance Light Rain
    Dewpoint:7.8°Precip:32%Humidity:80%Wind:15 mph E
    MON00:00
    53°F
    Rain Likely
    Dewpoint:8.3°Precip:73%Humidity:80%Wind:15 mph E
    MON01:00
    54°F
    Rain Likely
    Dewpoint:9.4°Precip:67%Humidity:83%Wind:15 mph SE
    MON02:00
    56°F
    Rain
    Dewpoint:11.1°Precip:95%Humidity:86%Wind:10 mph SE
    MON03:00
    56°F
    Rain
    Dewpoint:11.7°Precip:91%Humidity:90%Wind:10 mph SE
    MON04:00
    57°F
    Rain
    Dewpoint:12.2°Precip:79%Humidity:90%Wind:10 mph SE
    MON05:00
    57°F
    Chance Light Rain
    Dewpoint:12.8°Precip:27%Humidity:93%Wind:10 mph SE
    MON06:00
    58°F
    Slight Chance Showers And Thunderstorms
    Dewpoint:12.8°Precip:19%Humidity:90%Wind:10 mph SE
    MON07:00
    59°F
    Chance Showers And Thunderstorms
    Dewpoint:13.3°Precip:36%Humidity:90%Wind:10 mph S
    MON08:00
    60°F
    Chance Showers And Thunderstorms
    Dewpoint:13.9°Precip:31%Humidity:90%Wind:10 mph S
    MON09:00
    61°F
    Chance Showers And Thunderstorms
    Dewpoint:15°Precip:44%Humidity:93%Wind:15 mph S
    MON10:00
    63°F
    Showers And Thunderstorms Likely
    Dewpoint:15°Precip:64%Humidity:87%Wind:15 mph S
    MON11:00
    63°F
    Showers And Thunderstorms
    Dewpoint:15.6°Precip:94%Humidity:90%Wind:15 mph S
    MON12:00
    65°F
    Showers And Thunderstorms
    Dewpoint:15.6°Precip:78%Humidity:84%Wind:15 mph S
    MON13:00
    65°F
    Showers And Thunderstorms Likely
    Dewpoint:15.6°Precip:57%Humidity:84%Wind:15 mph S
    MON14:00
    66°F
    Showers And Thunderstorms Likely
    Dewpoint:15.6°Precip:63%Humidity:81%Wind:15 mph S
    MON15:00
    67°F
    Showers And Thunderstorms Likely
    Dewpoint:15.6°Precip:60%Humidity:78%Wind:20 mph S

    Extended Forecast

    Tonight

    Sun, Mar 15
    50°F
    Rain
    10 mph SE
    Precipitation: 95%
    Rain likely between 11pm and 2am, then rain and a slight chance of thunderstorms. Cloudy. Low around 50, with temperatures rising to around 57 overnight. Southeast wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Monday

    Mon, Mar 16
    67°F
    Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
    10 mph S
    Precipitation: 94%
    A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 8am, then a chance of showers and thunderstorms between 8am and 10am, then showers and thunderstorms. Some of the storms could be severe. Cloudy, with a high near 67. South wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Monday Night

    Mon, Mar 16
    32°F
    Showers And Thunderstorms
    15 mph SW
    Precipitation: 100%
    Showers and thunderstorms before 5am. Some of the storms could be severe. Mostly cloudy, with a low around 32. Southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Tuesday

    Tue, Mar 17
    41°F
    Mostly Sunny
    15 mph W
    Precipitation: 13%
    Mostly sunny, with a high near 41. West wind around 15 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.

    Tuesday Night

    Tue, Mar 17
    24°F
    Mostly Clear
    5 mph W
    Precipitation: 2%
    Mostly clear, with a low around 24.

    Wednesday

    Wed, Mar 18
    40°F
    Mostly Sunny
    0 mph W
    Precipitation: 1%
    Mostly sunny, with a high near 40.

    Wednesday Night

    Wed, Mar 18
    28°F
    Mostly Cloudy
    0 mph S
    Precipitation: 3%
    Mostly cloudy, with a low around 28.

    Thursday

    Thu, Mar 19
    51°F
    Partly Sunny
    0 mph S
    Precipitation: 2%
    Partly sunny, with a high near 51.

    Thursday Night

    Thu, Mar 19
    35°F
    Mostly Cloudy
    0 mph SW
    Precipitation: 13%
    Mostly cloudy, with a low around 35.

    Friday

    Fri, Mar 20
    55°F
    Mostly Sunny
    5 mph W
    Precipitation: 13%
    Mostly sunny, with a high near 55.

    Friday Night

    Fri, Mar 20
    39°F
    Chance Rain Showers
    5 mph SW
    Precipitation: 32%
    A chance of rain showers after 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

    Saturday

    Sat, Mar 21
    58°F
    Chance Rain Showers
    5 mph SW
    Precipitation: 32%
    A chance of rain showers. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.

    Saturday Night

    Sat, Mar 21
    38°F
    Slight Chance Rain Showers then Partly Cloudy
    5 mph W
    Precipitation: 18%
    A slight chance of rain showers before 8pm. Partly cloudy, with a low around 38.

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