Cornwall Weather Forecast

    • 66
    • 85

    Decreasing Clouds

    • 67
    • 85

    Chance Rain Showers

    • 70
    • 82

    Rain Showers

    • 64
    • 84

    Chance Thunderstorms

    • 65
    • 83

    Mostly Sunny

    • 68
    • 85

    Slight Chance Rain Showers

Today 14 Aug Lebanon

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the mid 80s. Northeast Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon.

Tonight 14 Aug Lebanon

Mostly cloudy. Near steady temperature in the upper 60s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornwall Temperature Statistics

August Temperature

Lancaster, Lancaster Airport (11.8 miles)

  • Lowest 4 August, 2026

    62.1 °F

  • Average August

    75.7 °F

  • Highest 6 August, 2026

    89.1 °F

Climate (2021–2026)

Lancaster, Lancaster Airport (11.8 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.1 °F
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