Union Star Weather Forecast

    • 35
    • 54

    Decreasing Clouds

    • 22
    • 49

    Mostly Sunny

    • 31
    • 44

    Partly Sunny

    • 33
    • 56

    Mostly Sunny

    • 39
    • 65

    Mostly Sunny

    • 33
    • 59

    Chance Rain

Today 5 Feb De Kalb

Mostly cloudy early this Morning, then becoming mostly sunny. Not as cool with Highs in the mid 50s. Southwest Winds 10 to 15 Mph, becoming northwest with Gusts up to 25 Mph this afternoon.

Tonight 5 Feb De Kalb

Mostly clear. Not as cool with Lows in the mid 30s. West Winds 10 to 15 Mph.

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  • Temperature Real-Time

Union Star Temperature Statistics

February Temperature

St. Joseph, Rosecrans Memorial Airport (21.7 miles)

  • Lowest 2 February, 2026

    14 °F

  • Average February

    28.8 °F

  • Highest 2 February, 2026

    45 °F

Climate (2021–Present)

St. Joseph, Rosecrans Memorial Airport (21.7 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    66.8 °F
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