Greeley Weather Forecast

    • 52
    • 70

    Slight Chance Thunderstorms

    • 55
    • 71

    Chance Thunderstorms

    • 59
    • 75

    Slight Chance Thunderstorms

    • 59
    • 79

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 54
    • 70

    Mostly Sunny

Today 18 Sep Greeley

Mostly cloudy. Slight chance of Showers in the Morning, then chance of Showers and slight chance of Thunderstorms in the afternoon. Highs around 70. West Winds 10 to 15 Mph with Gusts to around 20 Mph. Chance of precipitation 30 percent.

Tonight 18 Sep Greeley

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 50s. Northwest Winds around 10 Mph in the evening then becoming light.

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Greeley Temperature Statistics

September Temperature

Ord, Evelyn Sharp Field Airport (22.4 miles)

  • Lowest 6 September, 2025

    37.9 °F

  • Average September

    65.7 °F

  • Highest 12 September, 2025

    93 °F

Climate (2020–Present)

Ord, Evelyn Sharp Field Airport (22.4 miles)

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  • Average Low 2020–2025

    37.6 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    64.1 °F
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