Bethalto Weather Forecast

    • 56
    • 73

    Mostly Cloudy

    • 54
    • 71

    Chance Rain Showers

    • 59
    • 79

    Chance Thunderstorms

    • 49
    • 75

    Thunderstorms Likely

    • 38
    • 60

    Partly Sunny

    • 37
    • 57

    Mostly Sunny

Today 29 Mar Madison

Mostly sunny. Not as cool with Highs in the mid 70s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 29 Mar Madison

Partly cloudy and not as cool. Near steady temperature in the mid 40s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bethalto Temperature Statistics

March Temperature

St. Louis Regional Airport (1.2 miles)

  • Lowest 18 March, 2024

    23.4 °F
  • Average March

    48 °F
  • Highest 13 March, 2024

    75.2 °F

Climate (2019–Present)

St. Louis Regional Airport (1.2 miles)

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  • Average Low 2019–2024

    45.7 °F
  • Average 2019–2024

    53.5 °F
  • Average High 2019–2024

    65.5 °F
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