Cornwell Reservoir Weather Forecast

    • 53
    • 71

    Rain Showers Likely

    • 54
    • 78

    Slight Chance Thunderstorms

    • 52
    • 79

    Partly Sunny

    • 49
    • 72

    Chance Rain Showers

    • 49
    • 71

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

Today 13 Sep Central and Southern Valley

A chance of Thunderstorms. Showers likely. Highs in the lower 70s. Northeast wind 5 to 10 Mph. Chance of rain 70 percent.

Tonight 13 Sep Central and Southern Valley

Partly cloudy. A chance of rain and Thunderstorms in the evening. Lows in the lower 50s. Northeast wind 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornwell Reservoir Temperature Statistics

September Temperature

Glasgow, Glasgow International Airport (11.8 miles)

  • Lowest 5 September, 2025

    39.9 °F

  • Average September

    64.3 °F

  • Highest 1 September, 2025

    91.9 °F

Climate (2020–Present)

Glasgow, Glasgow International Airport (11.8 miles)

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  • Average Low 2020–2025

    34.4 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    57.9 °F
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