Merritt Lake Weather Forecast

    • 21
    • 39

    Chance Snow

    • 31
    • 43

    Chance Rain

    • 28
    • 45

    Chance Snow

    • 21
    • 46

    Chance Rain/Snow

    • 12
    • 34

    Partly Sunny

    • 20
    • 37

    Mostly Cloudy

Today 18 Mar North St. Louis

Mostly cloudy. A slight chance of very light freezing drizzle in the morning. Not as cool with Highs around 40. Southwest Winds 5 to 10 Mph.

Tonight 18 Mar North St. Louis

Cloudy with a slight chance of freezing drizzle and snow. Not as cool. Near steady temperature around 13. South Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Merritt Lake Temperature Statistics

March Temperature

Cook Municipal Airport (18 miles)

  • Lowest 1 March, 2026

    -23.8 °F

  • Average March

    27.1 °F

  • Highest 4 March, 2026

    53.6 °F

Climate (2021–Present)

Cook Municipal Airport (18 miles)

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  • Average Low 2021–2026

    30.5 °F

  • Average 2021–2026

    41.8 °F

  • Average High 2021–2026

    52 °F
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