Gridley Weather Forecast

    • 37
    • 45

    Mostly Cloudy

    • 34
    • 52

    Partly Sunny

    • 52
    • 52

    Chance Rain

    • 47
    • 62

    Mostly Cloudy

    • 38
    • 56

    Partly Sunny

    • 24
    • 51

    Mostly Cloudy

Today 22 Dec McLean

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the mid 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Dec McLean

Partly cloudy. Near steady temperature in the upper 20s. South Winds around 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gridley Temperature Statistics

December Temperature

Pontiac Municipal Airport (18 miles)

  • Lowest 14 December, 2025

    -11 °F

  • Average December

    22 °F

  • Highest 18 December, 2025

    51.3 °F

Climate (2020–Present)

Pontiac Municipal Airport (18 miles)

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  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    62 °F
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