Perth Weather Forecast

    • 73
    • 92

    Thunderstorms

    • 73
    • 92

    Slight Chance Thunderstorms

    • 73
    • 93

    Slight Chance Thunderstorms

    • 69
    • 93

    Chance Thunderstorms

    • 65
    • 83

    Slight Chance Thunderstorms

    • 64
    • 83

    Mostly Sunny

Today 16 Aug Clay

Partly cloudy this Morning, then clearing. Isolated Showers and Thunderstorms. Hot with Highs in the lower 90s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 16 Aug Clay

Partly cloudy. Isolated Showers and Thunderstorms toward daybreak. Humid with Lows in the lower 70s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Perth Temperature Statistics

August Temperature

Terre Haute Regional Airport (13 miles)

  • Lowest 3 August, 2025

    57 °F

  • Average August

    75 °F

  • Highest 9 August, 2025

    90 °F

Climate (2020–Present)

Terre Haute Regional Airport (13 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    65.4 °F
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