Dewey Weather Forecast

    • 55
    • 73

    Becoming Sunny

    • 59
    • 77

    Mostly Sunny

    • 60
    • 80

    Rain Showers Likely

    • 60
    • 76

    Rain Showers

    • 53
    • 74

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 58
    • 77

    Partly Sunny

Today 18 Jun Champaign

Partly sunny. Near steady temperature in the lower 70s. West Winds 10 to 15 Mph.

Tonight 18 Jun Champaign

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dewey Temperature Statistics

June Temperature

Rantoul National Aviation Center Airport (6.8 miles)

  • Lowest 3 June, 2026

    52.9 °F

  • Average June

    74.4 °F

  • Highest 6 June, 2026

    91.4 °F

Climate (2021–2026)

Rantoul National Aviation Center Airport (6.8 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.7 °F
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