Bourne Slough Weather Forecast

    • 52
    • 78

    Mostly Sunny

    • 59
    • 87

    Breezy

    • 37
    • 78

    Chance Rain Showers

    • 32
    • 57

    Breezy

    • 30
    • 54

    Partly Sunny

    • 33
    • 55

    Slight Chance Rain/Snow

Today 21 Apr Lake

Sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 21 Apr Lake

Mostly clear. Not as cool with Lows in the lower 50s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bourne Slough Temperature Statistics

April Temperature

Madison Municipal Airport (2.5 miles)

  • Lowest 7 April, 2026

    14 °F

  • Average April

    42.4 °F

  • Highest 16 April, 2026

    84.2 °F

Climate (2021–Present)

Madison Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    58.2 °F
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