Belfast Weather Forecast

    • 68
    • 87

    Becoming Sunny

    • 70
    • 95

    Chance Thunderstorms

    • 70
    • 88

    Chance Thunderstorms

    • 68
    • 85

    Rain Showers Likely

    • 69
    • 89

    Mostly Sunny

    • 69
    • 93

    Chance Thunderstorms

Today 24 Jul Northampton

Mostly sunny. Hot with Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 24 Jul Northampton

Mostly clear. Humid with Lows in the upper 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Belfast Temperature Statistics

July Temperature

Allentown, Lehigh Valley International Airport (12.4 miles)

  • Lowest 5 July, 2025

    56.6 °F

  • Average July

    77.4 °F

  • Highest 8 July, 2025

    91.7 °F

Climate (2020–Present)

Allentown, Lehigh Valley International Airport (12.4 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    63.5 °F
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