10-Day Weather Forecast - Portland, PA

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  • |59°F
    Partly Cloudy

    Tonight

    59°F

    Partly cloudy this evening then becoming mostly cloudy. Lows in the upper 50s. Northwest winds 5 to 10 mph becoming northeast after midnight.

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  • 73|62°F
    Thunderstorms

    Day

    73°F

    A chance of showers with a slight chance of thunderstorms in the morning then showers with a chance of thunderstorms in the afternoon. Some thunderstorms may produce damaging winds in the afternoon. Locally heavy rainfall possible in the afternoon. Highs in the mid 70s. East winds 10 to 15 mph. Chance of rain near 100 percent.

    Night

    62°F

    Showers with a chance of thunderstorms in the evening then showers likely with a chance of thunderstorms after midnight. Some thunderstorms may produce damaging winds in the evening. Locally heavy rainfall possible in the evening. Humid with lows in the lower 60s. South winds 5 to 10 mph becoming west after midnight. Chance of rain 90 percent.

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  • 79|56°F
    40% Chance Rain Showers

    Day

    79°F

    Mostly sunny with a 40 percent chance of showers. Highs in the upper 70s. North winds 5 to 10 mph.

    Night

    56°F

    Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph.

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  • 83|56°F
    Sunny

    Day

    83°F

    Sunny. Highs in the lower 80s.

    Night

    56°F

    Mostly clear. Lows in the upper 50s.

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  • 85|61°F
    40% Chance Rain Showers

    Day

    85°F

    Mostly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

    Night

    61°F

    Showers likely with a chance of thunderstorms. Lows in the lower 60s. Chance of rain 70 percent.

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  • 82|61°F
    70% Chance of Storms

    Day

    82°F

    Partly sunny with a chance of thunderstorms. Showers likely mainly in the morning. Highs in the lower 80s. Chance of rain 70 percent.

    Night

    61°F

    A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.

    Hourly details
  • 81|59°F
    Partly Sunny

    Day

    81°F

    Partly sunny. Highs in the mid 80s.

    Night

    59°F

    Partly cloudy. Lows in the lower 60s.

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  • 88|62°F
    Mostly Sunny

    Day

    88°F

    Mostly sunny. Hot with highs in the mid 80s.

    Night

    62°F

    Mostly clear. Low temperature around 62F. Dew point will be around 63F with an average humidity of 82%. Winds will be 2 mph from the SW.

  • 90|67°F
    Mostly Sunny

    Day

    90°F

    Mostly sunny. High temperature around 90F. Dew point will be around 69F with an average humidity of 71%. Winds will be 4 mph from the SW.

    Night

    67°F

    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 67F. Dew point will be around 68F with an average humidity of 86%. Winds will be 3 mph from the SW.

  • 92|69°F
    30% Chance of Rain

    Day

    92°F

    Sunny with a 30% chance for rain and thunderstorms. High temperature around 92F. Dew point will be around 72F with an average humidity of 72%. Winds will be 5 mph from the SW.

    Night

    69°F

    Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 69F. Dew point will be around 69F with an average humidity of 84%. Winds will be 4 mph from the SW.