Peosta Weather Forecast

    • 59
    • 78

    Becoming Sunny

    • 63
    • 79

    Chance Thunderstorms

    • 63
    • 79

    Chance Rain Showers

    • 59
    • 78

    Mostly Sunny

    • 58
    • 75

    Partly Sunny

    • 61
    • 76

    Partly Sunny

Today 19 Aug Dubuque

Areas of fog this morning. Partly sunny. Highs in the upper 70s. Northeast Winds around 5 Mph.

Tonight 19 Aug Dubuque

Partly cloudy in the Evening, then clearing. Lows in the upper 50s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Peosta Temperature Statistics

August Temperature

Dubuque Regional Airport (7.5 miles)

  • Lowest 8 August, 2026

    57.9 °F

  • Average August

    71.6 °F

  • Highest 10 August, 2026

    84 °F

Climate (2021–2026)

Dubuque Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.4 °F
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