Heron Lake Weather Forecast

    • 45
    • 55

    Mostly Cloudy

    • 28
    • 53

    Rain Showers Likely

    • 23
    • 39

    Partly Sunny

    • 29
    • 48

    Mostly Cloudy

    • 35
    • 48

    Chance Rain

    • 27
    • 58

    Chance Rain/Snow

Today 21 Mar Oakland

Cloudy in the Morning, then becoming partly cloudy. Highs in the mid 50s. Southeast Winds up to 10 Mph.

Tonight 21 Mar Oakland

Partly cloudy. Near steady temperature in the upper 40s. South Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heron Lake Temperature Statistics

March Temperature

Pontiac, Oakland County International Airport (11.2 miles)

  • Lowest 2 March, 2026

    8.1 °F

  • Average March

    38.4 °F

  • Highest 9 March, 2026

    69.8 °F

Climate (2021–Present)

Pontiac, Oakland County International Airport (11.2 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    59.2 °F
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