Westfield Weather Forecast

    • 71
    • 94

    Slight Chance Thunderstorms

    • 68
    • 87

    Slight Chance Thunderstorms

    • 70
    • 91

    Slight Chance Thunderstorms

    • 65
    • 88

    Chance Thunderstorms

    • 59
    • 80

    Chance Thunderstorms

    • 56
    • 73

    Mostly Cloudy

    • 56
    • 74

    Partly Sunny

Today 17 Sep Clark

Sunny with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 17 Sep Clark

Partly cloudy. Lows in the lower 70s. Southwest Winds around 5 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westfield Temperature Statistics

September Temperature

Mattoon / Charleston, Coles County Memorial Airport (14.9 miles)

  • Lowest 14 September, 2026

    55 °F

  • Average September

    78.8 °F

  • Highest 2 September, 2026

    97.6 °F

Climate (2021–2026)

Mattoon / Charleston, Coles County Memorial Airport (14.9 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.1 °F
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