Grand Valley Weather Forecast

    • 47
    • 60

    Rain Showers Likely

    • 41
    • 69

    Decreasing Clouds

    • 47
    • 72

    Partly Sunny

    • 48
    • 73

    Rain Showers Likely

    • 43
    • 58

    Rain Showers Likely

    • 40
    • 61

    Slight Chance Rain Showers

    • 46
    • 70

    Chance Rain Showers

Today 21 Apr Warren

Partly sunny with a 20 percent chance of Showers. Not as cool with Highs in the upper 50s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 21 Apr Warren

Mostly cloudy. A slight chance of Showers this Evening, then a chance of Showers after midnight. Not as cool with Lows in the mid 40s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Valley Temperature Statistics

April Temperature

Franklin, Venango Regional Airport (28.6 miles)

  • Lowest 8 April, 2026

    19.9 °F

  • Average April

    52.2 °F

  • Highest 4 April, 2026

    80.1 °F

Climate (2021–Present)

Franklin, Venango Regional Airport (28.6 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    58.2 °F
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