Riverwatch Weather Forecast

    • 64
    • 78

    Chance Thunderstorms

    • 59
    • 80

    Chance Rain Showers

    • 52
    • 80

    Mostly Sunny

    • 55
    • 81

    Partly Sunny

    • 55
    • 81

    Partly Sunny

    • 58
    • 83

    Mostly Sunny

Today 23 Sep White

Areas of fog this morning. Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms this Morning, then a chance of Thunderstorms this afternoon. Highs in the upper 70s. Light and variable Winds, becoming northwest around 5 Mph this afternoon. Chance of rain 50 percent.

Tonight 23 Sep White

A slight chance of Thunderstorms in the evening. Mostly cloudy with a slight chance of Showers. Patchy fog in the evening. Areas of fog after midnight. Lows in the lower 60s. Northeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverwatch Temperature Statistics

September Temperature

Sparta Upper Cumberland Regional Airport (9.9 miles)

  • Lowest 15 September, 2026

    64.4 °F

  • Average September

    79 °F

  • Highest 3 September, 2026

    98.6 °F

Climate (2021–2026)

Sparta Upper Cumberland Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    59.9 °F

  • Average High 2021–2026

    70.6 °F
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