Union Star Weather Forecast

    • 69
    • 87

    Slight Chance Thunderstorms

    • 65
    • 84

    Rain Showers

    • 62
    • 79

    Chance Thunderstorms

    • 67
    • 86

    Mostly Sunny

    • 74
    • 91

    Sunny

    • 74
    • 91

    Sunny

Today 16 Jun De Kalb

Mostly sunny. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 16 Jun De Kalb

Mostly clear Early, then becoming partly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Star Temperature Statistics

June Temperature

St. Joseph, Rosecrans Memorial Airport (21.7 miles)

  • Lowest 10 June, 2025

    49.6 °F

  • Average June

    70.7 °F

  • Highest 11 June, 2025

    93.7 °F

Climate (2020–Present)

St. Joseph, Rosecrans Memorial Airport (21.7 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    66.5 °F
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