Oakland Weather Forecast

    • 61
    • 72

    Rain Showers Likely

    • 62
    • 79

    Rain Showers Likely

    • 66
    • 85

    Mostly Sunny

    • 70
    • 86

    Rain Showers Likely

    • 60
    • 84

    Rain Showers

    • 53
    • 73

    Slight Chance Thunderstorms

Today 15 May Coles

Cloudy with Showers early this Morning, then partly sunny this afternoon. Highs in the lower 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 15 May Coles

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Not as cool with Lows in the lower 60s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oakland Temperature Statistics

May Temperature

Mattoon / Charleston, Coles County Memorial Airport (18 miles)

  • Lowest 7 May, 2026

    38.6 °F

  • Average May

    56.8 °F

  • Highest 12 May, 2026

    78.7 °F

Climate (2021–Present)

Mattoon / Charleston, Coles County Memorial Airport (18 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    65 °F
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