Delta Weather Forecast

    • 29
    • 54

    Mostly Sunny

    • 38
    • 57

    Mostly Cloudy

    • 45
    • 60

    Rain Likely

    • 29
    • 56

    Sunny

    • 36
    • 57

    Mostly Sunny

    • 37
    • 64

    Partly Sunny

Today 16 Dec Union

Sunny. Not as cool with Highs in the lower 50s. Southwest Winds around 5 Mph.

Tonight 16 Dec Union

Mostly clear. Lows around 30. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Delta Temperature Statistics

December Temperature

Newberry County Airport (16.2 miles)

  • Lowest 14 December, 2025

    26.6 °F

  • Average December

    42 °F

  • Highest 13 December, 2025

    64.4 °F

Climate (2020–Present)

Newberry County Airport (16.2 miles)

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  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    63.1 °F

  • Average High 2020–2025

    73.1 °F
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