Winfield Weather Forecast

    • 56
    • 78

    Slight Chance Thunderstorms

    • 56
    • 74

    Partly Sunny

    • 55
    • 77

    Mostly Sunny

    • 63
    • 81

    Partly Sunny

    • 64
    • 82

    Rain Showers Likely

    • 62
    • 83

    Chance Rain Showers

Today 23 Aug Union

Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the mid 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 23 Aug Union

A slight chance of Thunderstorms in the evening. Mostly clear with a slight chance of Showers. Lows in the mid 50s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winfield Temperature Statistics

August Temperature

Selinsgrove Penn Valley Airport (6.2 miles)

  • Lowest 4 August, 2026

    57 °F

  • Average August

    72.9 °F

  • Highest 17 August, 2026

    89.1 °F

Climate (2021–2026)

Selinsgrove Penn Valley Airport (6.2 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.1 °F
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