Belfast Weather Forecast

    • 51
    • 72

    Rain Showers Likely

    • 42
    • 57

    Rain Showers Likely

    • 41
    • 60

    Partly Sunny

    • 48
    • 68

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 64
    • 83

    Mostly Sunny

Today 30 May Allegany

Partly sunny through early Afternoon, then cloudy with a chance of Showers late. Highs Ranging from the upper 60s on the Hilltops to the lower 70s across the lower Elevations. West Winds 10 Mph or Less, becoming northwest. Chance of rain 30 percent.

Tonight 30 May Allegany

Mostly cloudy. A chance of Showers in the Evening, then a chance of Showers and Thunderstorms overnight. Lows around 50. West Winds 10 Mph or less. Chance of rain 40 percent.

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Belfast Temperature Statistics

May Temperature

Wellsville, Wellsville Municipal Airport (17.4 miles)

  • Lowest 20 May, 2025

    36.6 °F

  • Average May

    54.9 °F

  • Highest 12 May, 2025

    80.7 °F

Climate (2020–Present)

Wellsville, Wellsville Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    40.2 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    57 °F
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