Portland Weather Forecast

    • 71
    • 82

    Rain Showers

    • 68
    • 82

    Rain Showers Likely

    • 57
    • 77

    Mostly Sunny

    • 62
    • 77

    Partly Sunny

    • 58
    • 76

    Rain Showers Likely

    • 55
    • 72

    Partly Sunny

    • 56
    • 73

    Partly Sunny

Today 15 Aug Jay

Showers likely with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Near steady temperature around 80. South Winds around 5 Mph. Chance of rain 70 percent.

Tonight 15 Aug Jay

Mostly cloudy with Showers likely with a chance of Thunderstorms this Evening, then partly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall. Lows around 70. Southwest Winds around 5 Mph. Chance of rain 70 percent.

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Portland Temperature Statistics

August Temperature

Muncie, Delaware County-Johnson Field (25.5 miles)

  • Lowest 4 August, 2026

    55.7 °F

  • Average August

    73.1 °F

  • Highest 10 August, 2026

    88.6 °F

Climate (2021–2026)

Muncie, Delaware County-Johnson Field (25.5 miles)

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    65 °F
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