Lone Rock Weather Forecast

    • 45
    • 68

    Becoming Sunny

    • 63
    • 70

    Rain Showers

    • 53
    • 76

    Rain Showers Likely

    • 57
    • 69

    Rain Showers Likely

    • 53
    • 73

    Chance Rain Showers

    • 53
    • 74

    Chance Rain Showers

Today 13 Sep Richland

Partly sunny. A slight chance of Showers in the afternoon. Highs around 70. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 13 Sep Richland

Clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. Northwest Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lone Rock Temperature Statistics

September Temperature

Lone Rock Tri-County Regional Airport (1.9 miles)

  • Lowest 10 September, 2026

    53.1 °F

  • Average September

    74 °F

  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

Lone Rock Tri-County Regional Airport (1.9 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    60.4 °F
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