Fitchburg Weather Forecast

    • 62
    • 79

    Decreasing Clouds

    • 61
    • 82

    Mostly Sunny

    • 63
    • 85

    Partly Sunny

    • 62
    • 86

    Partly Sunny

    • 62
    • 85

    Slight Chance Thunderstorms

    • 60
    • 80

    Chance Rain Showers

Today 13 Sep Dane

Partly sunny. Highs around 80. Southeast Winds 5 to 10 Mph.

Tonight 13 Sep Dane

Partly cloudy. Areas of fog early in the morning. Lows in the lower 60s. East Winds up to 10 Mph.

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Fitchburg Temperature Statistics

September Temperature

Middleton Muni - Morey Field (9.3 miles)

  • Lowest 8 September, 2025

    39.2 °F

  • Average September

    59.8 °F

  • Highest 11 September, 2025

    78.8 °F

Climate (2020–Present)

Middleton Muni - Morey Field (9.3 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    59.5 °F
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