Mechanicsville Weather Forecast

    • 60
    • 85

    Rain Showers Likely

    • 57
    • 79

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 59
    • 79

    Rain Showers

    • 58
    • 75

    Rain Showers Likely

    • 57
    • 79

    Partly Sunny

Today 18 Jun Montour

Mostly cloudy in the Morning, then becoming partly sunny. A slight chance of Thunderstorms. Showers Likely, mainly in the morning. Some Thunderstorms may produce gusty Winds and small hail. Very warm with Highs in the mid 80s. South Winds 10 to 15 Mph, becoming west 15 to 20 Mph in the afternoon. Gusts up to 40 Mph. Chance of rain 70 percent.

Tonight 18 Jun Montour

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Some Thunderstorms may produce gusty Winds and small hail. Not as cool with Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Mechanicsville Temperature Statistics

June Temperature

Selinsgrove Penn Valley Airport (17.4 miles)

  • Lowest 3 June, 2026

    44.1 °F

  • Average June

    69.3 °F

  • Highest 11 June, 2026

    91 °F

Climate (2021–2026)

Selinsgrove Penn Valley Airport (17.4 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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