Johnstown Weather Forecast

    • 41
    • 69

    Partly Sunny

    • 30
    • 65

    Mostly Sunny

    • 25
    • 53

    Mostly Sunny

    • 29
    • 56

    Mostly Sunny

    • 31
    • 60

    Partly Sunny

    • 35
    • 60

    Partly Sunny

Today 26 Oct Central and South Weld County

Patchy fog early in the morning. Partly cloudy. Highs in the upper 60s.

Tonight 26 Oct Central and South Weld County

Partly cloudy. Lows 35 to 41. Northwest Winds 10 to 15 Mph with Gusts up to 20 Mph after midnight.

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Johnstown Temperature Statistics

October Temperature

Fort Collins/Loveland - Northern Colorado Regional Airport (9.3 miles)

  • Lowest 19 October, 2025

    30 °F

  • Average October

    54.9 °F

  • Highest 3 October, 2025

    87.1 °F

Climate (2020–Present)

Fort Collins/Loveland - Northern Colorado Regional Airport (9.3 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    65 °F
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