Peru Weather Forecast

    • 62
    • 91

    Thunderstorms Likely

    • 55
    • 76

    Chance Rain Showers

    • 53
    • 79

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 57
    • 82

    Partly Sunny

    • 59
    • 82

    Slight Chance Rain Showers

Today 31 Jul Hardy

Thunderstorms likely with a chance of Showers. Some Thunderstorms may produce heavy rainfall. Highs around 90 except in the mid 80s at the higher Elevations. Northwest Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 31 Jul Hardy

Mostly cloudy. Showers with Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Some Thunderstorms may produce heavy rainfall. Lows in the lower 60s. North Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

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Peru Temperature Statistics

July Temperature

Petersburg, Grant County Airport (9.9 miles)

  • Lowest 22 July, 2025

    59.2 °F

  • Average July

    75.9 °F

  • Highest 7 July, 2025

    92.1 °F

Climate (2020–Present)

Petersburg, Grant County Airport (9.9 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    67.5 °F
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