St Augustine Weather Forecast

    • 35
    • 51

    Increasing Clouds

    • 40
    • 59

    Mostly Cloudy

    • 54
    • 71

    Mostly Cloudy

    • 34
    • 83

    Chance Thunderstorms

    • 26
    • 49

    Mostly Sunny

    • 34
    • 55

    Partly Sunny

Today 23 Mar Knox

Sunny, cooler with Highs around 50. North Winds 5 to 10 Mph.

Tonight 23 Mar Knox

Mostly cloudy. Lows in the mid 30s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Augustine Temperature Statistics

March Temperature

Galesburg Municipal Airport (14.3 miles)

  • Lowest 16 March, 2026

    13.1 °F

  • Average March

    45.7 °F

  • Highest 21 March, 2026

    84.2 °F

Climate (2021–Present)

Galesburg Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.1 °F
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