Sleepy Hollow Weather Forecast

    • 20
    • 29

    Blowing Snow

    • 29
    • 41

    Decreasing Clouds

    • 28
    • 49

    Partly Sunny

    • 36
    • 54

    Mostly Cloudy

    • 35
    • 52

    Mostly Cloudy

    • 31
    • 52

    Mostly Sunny

    • 20
    • 44

    Slight Chance Snow

Today 9 Jan Northern Campbell

Mostly sunny. Near steady temperature in the lower 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 9 Jan Northern Campbell

Partly cloudy. Lows in the lower 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sleepy Hollow Temperature Statistics

January Temperature

Gillette, Gillette-Campbell County Airport (8.7 miles)

  • Lowest 2 January, 2026

    27 °F

  • Average January

    42.3 °F

  • Highest 4 January, 2026

    57.9 °F

Climate (2021–Present)

Gillette, Gillette-Campbell County Airport (8.7 miles)

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  • Average Low 2021–2026

    34.9 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    60.9 °F
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