Castor Lake Weather Forecast

    • 21
    • 36

    Becoming Sunny

    • 31
    • 49

    Mostly Sunny

    • 48
    • 64

    Partly Sunny

    • 47
    • 67

    Rain Showers Likely

    • 33
    • 57

    Partly Sunny

    • 33
    • 53

    Mostly Sunny

Today 31 Jan Vernon

Sunny, cooler with Highs in the upper 30s. North Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 31 Jan Vernon

Mostly clear. Widespread frost after midnight. Cold with Lows in the lower 20s. North Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castor Lake Temperature Statistics

January Temperature

Fort Polk, Polk AAF Ft Polk (6.2 miles)

  • Lowest 27 January, 2026

    21.7 °F

  • Average January

    52.1 °F

  • Highest 2 January, 2026

    81.1 °F

Climate (2021–Present)

Fort Polk, Polk AAF Ft Polk (6.2 miles)

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  • Average Low 2021–2026

    59.4 °F

  • Average 2021–2026

    68.3 °F

  • Average High 2021–2026

    78.6 °F
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