North Fork Reservoir Weather Forecast

    • 50
    • 74

    Rain Showers

    • 49
    • 65

    Rain Showers Likely

    • 48
    • 58

    Rain

    • 52
    • 59

    Rain

    • 57
    • 75

    Rain Showers Likely

    • 59
    • 76

    Chance Rain Showers

Today 20 May Somerset

Partly sunny with a chance of Showers with a slight chance of Thunderstorms this Morning, then mostly cloudy with Showers with a chance of Thunderstorms this afternoon. Highs in the mid 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

Tonight 20 May Somerset

A slight chance of Thunderstorms in the evening. Showers likely. Cooler. Less humid with Lows in the upper 40s. North Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

North Fork Reservoir Temperature Statistics

May Temperature

Johnstown - Cambria County Airport (9.9 miles)

  • Lowest 3 May, 2026

    29.6 °F

  • Average May

    51.5 °F

  • Highest 17 May, 2026

    78.1 °F

Climate (2021–Present)

Johnstown - Cambria County Airport (9.9 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    58.7 °F
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