Diamond Weather Forecast

    • 27
    • 47

    Mostly Sunny

    • 28
    • 49

    Mostly Sunny

    • 29
    • 52

    Mostly Sunny

    • 31
    • 56

    Mostly Sunny

    • 41
    • 59

    Partly Sunny

    • 45
    • 63

    Mostly Cloudy

Today 14 Nov Grundy

Sunny. Highs in the upper 40s. Northwest Winds around 5 Mph.

Tonight 14 Nov Grundy

Clear. Lows in the upper 20s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Diamond Temperature Statistics

November Temperature

Joliet Regional Airport (16.2 miles)

  • Lowest 7 November, 2026

    29.7 °F

  • Average November

    51.2 °F

  • Highest 3 November, 2026

    72.5 °F

Climate (2021–2026)

Joliet Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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