Delevan Weather Forecast

    • 49
    • 70

    Mostly Sunny

    • 58
    • 76

    Partly Sunny

    • 62
    • 78

    Chance Rain Showers

    • 65
    • 80

    Chance Thunderstorms

    • 66
    • 82

    Rain Showers Likely

    • 62
    • 80

    Chance Thunderstorms

Today 28 Aug Cattaraugus

Becoming mostly sunny. Highs around 70. Light north Winds.

Tonight 28 Aug Cattaraugus

Mainly clear with some patchy fog developing overnight. Lows in the upper 40s. Light Winds.

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Delevan Temperature Statistics

August Temperature

Buffalo, Greater Buffalo International Airport (33.6 miles)

  • Lowest 21 August, 2026

    55.7 °F

  • Average August

    71.8 °F

  • Highest 1 August, 2026

    88.6 °F

Climate (2021–2026)

Buffalo, Greater Buffalo International Airport (33.6 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    59 °F
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