Diamondtown Weather Forecast

    • 60
    • 73

    Rain Showers

    • 54
    • 75

    Partly Sunny

    • 58
    • 78

    Mostly Sunny

    • 61
    • 80

    Rain Showers Likely

    • 61
    • 81

    Chance Thunderstorms

    • 61
    • 80

    Chance Rain Showers

    • 62
    • 83

    Partly Sunny

Today 22 Jun Northumberland

Showers with a chance of Thunderstorms. Highs in the mid 70s. Southeast Winds around 5 Mph. Chance of rain near 100 percent.

Tonight 22 Jun Northumberland

Showers with a chance of Thunderstorms this Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog. Lows in the lower 60s. Southeast Winds around 5 Mph, becoming northwest with Gusts up to 20 Mph after midnight. Chance of rain 90 percent.

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Diamondtown Temperature Statistics

June Temperature

Selinsgrove Penn Valley Airport (23 miles)

  • Lowest 3 June, 2026

    44.1 °F

  • Average June

    69.1 °F

  • Highest 11 June, 2026

    91 °F

Climate (2021–2026)

Selinsgrove Penn Valley Airport (23 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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