Sidney Weather Forecast

    • 64
    • 88

    Increasing Clouds

    • 69
    • 89

    Mostly Sunny

    • 68
    • 88

    Chance Thunderstorms

    • 67
    • 84

    Chance Thunderstorms

    • 65
    • 88

    Slight Chance Thunderstorms

    • 63
    • 86

    Chance Rain Showers

Today 5 Aug Kennebec

Partly sunny. Warm with Highs in the upper 80s. Light and variable Winds.

Tonight 5 Aug Kennebec

Partly cloudy. Lows in the mid 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sidney Temperature Statistics

August Temperature

Waterville, Waterville Robert LaFleur Airport (5.6 miles)

  • Lowest 1 August, 2026

    59 °F

  • Average August

    72.5 °F

  • Highest 2 August, 2026

    84.9 °F

Climate (2021–2026)

Waterville, Waterville Robert LaFleur Airport (5.6 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    55.9 °F
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