Mercer County Airport Weather Forecast

    • 72
    • 92

    Mostly Sunny

    • 73
    • 91

    Chance Thunderstorms

    • 73
    • 90

    Chance Thunderstorms

    • 72
    • 92

    Sunny

    • 72
    • 91

    Mostly Sunny

    • 70
    • 91

    Slight Chance Rain Showers

Today 15 Jul Mercer

Patchy fog in the morning. Sunny, hot with Highs in the lower 90s. Light and variable Winds, becoming northwest around 5 Mph in the afternoon. Heat index Values up to 101.

Tonight 15 Jul Mercer

Clear. Patchy fog. Near steady temperature in the lower 70s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mercer County Airport Temperature Statistics

July Temperature

Moline Quad-City Airport (17.4 miles)

  • Lowest 7 July, 2026

    61.6 °F

  • Average July

    77.9 °F

  • Highest 1 July, 2026

    92.6 °F

Climate (2021–2026)

Moline Quad-City Airport (17.4 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    64.1 °F
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