Niwot Weather Forecast

    • 26
    • 75

    Windy

    • 15
    • 35

    Slight Chance Snow

    • 37
    • 53

    Mostly Cloudy

    • 46
    • 73

    Partly Sunny

    • 47
    • 80

    Mostly Sunny

    • 46
    • 83

    Partly Sunny

Today 14 Mar Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Partly cloudy. Patchy blowing dust in the afternoon. Very windy. Highs in the lower to mid 70s. West Winds 20 to 25 Mph with Gusts up to 35 Mph, increasing to 25 to 35 Mph with Gusts up to 50 Mph in the afternoon.

Tonight 14 Mar Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County

Mostly cloudy. Lows in the mid to upper 40s. Southwest Winds 10 to 15 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Niwot Temperature Statistics

March Temperature

Vance Brand Airport (3.7 miles)

  • Lowest 7 March, 2026

    19 °F

  • Average March

    45.2 °F

  • Highest 9 March, 2026

    72.7 °F

Climate (2021–Present)

Vance Brand Airport (3.7 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    68.6 °F
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