Saybrook Weather Forecast

    • 29
    • 37

    Increasing Clouds

    • 30
    • 37

    Rain

    • 15
    • 49

    Rain

    • 24
    • 30

    Partly Sunny

    • 21
    • 45

    Partly Sunny

    • 22
    • 34

    Partly Sunny

    • 30
    • 40

    Mostly Cloudy

Today 16 Dec McLean

Sunny and not as cool. Near steady temperature in the mid 30s. South Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 16 Dec McLean

Mostly cloudy. Not as cool with Lows in the upper 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saybrook Temperature Statistics

December Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (20.5 miles)

  • Lowest 14 December, 2025

    -9 °F

  • Average December

    21.2 °F

  • Highest 10 December, 2025

    39.9 °F

Climate (2020–Present)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (20.5 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.2 °F
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