Grand Valley Weather Forecast

    • 36
    • 61

    Becoming Sunny

    • 47
    • 67

    Rain Showers

    • 46
    • 58

    Rain Showers

    • 42
    • 54

    Rain Showers

    • 41
    • 55

    Rain Showers Likely

    • 41
    • 60

    Rain Showers Likely

Today 19 May Warren

Partly sunny in the Morning, then clearing. Highs in the upper 50s. Northwest Winds 5 to 10 Mph.

Tonight 19 May Warren

Mostly cloudy. Near steady temperature in the mid 40s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Grand Valley Temperature Statistics

May Temperature

Franklin, Venango Regional Airport (28.6 miles)

  • Lowest 9 May, 2025

    36 °F

  • Average May

    59.6 °F

  • Highest 1 May, 2025

    79 °F

Climate (2020–Present)

Franklin, Venango Regional Airport (28.6 miles)

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  • Average Low 2020–2025

    41.2 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    58.7 °F
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