Onslow Weather Forecast

    • 27
    • 34

    Rain/Freezing Rain Likely

    • 9
    • 30

    Chance Snow Showers

    • 15
    • 24

    Chance Snow

    • 2
    • 24

    Chance Snow

    • -12
    • 10

    Chance Snow

    • -8
    • 5

    Cold

    • 6
    • 21

    Mostly Cloudy

Today 9 Dec Jones

Cloudy with a 40 percent chance of rain. Not as cool. Near steady temperature in the lower 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Dec Jones

A chance of rain Early, then rain likely this evening. Snow likely after midnight. Little or no snow accumulation. Windy and not as cool with Lows in the upper 20s. South Winds 10 to 15 Mph, becoming southwest 15 to 25 Mph with Gusts up to 40 Mph this Evening, then becoming west 25 to 30 Mph with Gusts up to 50 Mph after midnight. Chance of precipitation 70 percent.

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Onslow Temperature Statistics

December Temperature

Monticello Regional Airport (10.6 miles)

  • Lowest 4 December, 2025

    -13 °F

  • Average December

    17.1 °F

  • Highest 3 December, 2025

    33.8 °F

Climate (2020–Present)

Monticello Regional Airport (10.6 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    48.5 °F

  • Average High 2020–2025

    58.7 °F
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