Flatwillow Weather Forecast

    • 40
    • 68

    Mostly Sunny

    • 42
    • 76

    Mostly Sunny

    • 52
    • 83

    Partly Sunny

    • 53
    • 85

    Partly Sunny

    • 53
    • 84

    Mostly Cloudy

    • 54
    • 82

    Chance Rain Showers

Today 5 Sep Petroleum

Sunny. Highs in the upper 60s. Northwest wind around 5 Mph.

Tonight 5 Sep Petroleum

Mostly clear. Lows in the upper 30s. East wind around 5 Mph, becoming south after midnight.

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Flatwillow Temperature Statistics

September Temperature

N BAR Ranch Airport (24.9 miles)

  • Lowest 1 September, 2025

    51.8 °F

  • Average September

    69.5 °F

  • Highest 2 September, 2025

    86 °F

Climate (2020–Present)

N BAR Ranch Airport (24.9 miles)

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  • Average Low 2020–2025

    31.4 °F

  • Average 2020–2025

    43.6 °F

  • Average High 2020–2025

    55 °F
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