Miller Airport Weather Forecast

    • 59
    • 72

    Chance Rain Showers

    • 61
    • 70

    Rain Showers

    • 60
    • 74

    Rain Showers

    • 54
    • 65

    Chance Thunderstorms

    • 50
    • 61

    Chance Rain Showers

    • 49
    • 61

    Slight Chance Rain Showers

    • 51
    • 66

    Mostly Cloudy

Today 17 Sep Winnebago

Mostly cloudy. Highs in the upper 60s.

Tonight 17 Sep Winnebago

Mostly cloudy. A slight chance of Showers or patchy drizzle early in the evening. Lows in the upper 50s. Northeast Winds around 5 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Miller Airport Temperature Statistics

September Temperature

Janesville-Rock County (9.3 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    68.1 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Janesville-Rock County (9.3 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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