Sidney Weather Forecast

    • 42
    • 69

    Mostly Sunny

    • 44
    • 69

    Mostly Cloudy

    • 43
    • 58

    Rain

    • 48
    • 63

    Rain Showers Likely

    • 52
    • 79

    Chance Rain Showers

    • 49
    • 73

    Chance Rain Showers

    • 46
    • 67

    Slight Chance Rain Showers

Today 22 May Kennebec

Sunny. Highs in the upper 60s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 22 May Kennebec

Mostly clear. Lows in the lower 40s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sidney Temperature Statistics

May Temperature

Waterville, Waterville Robert LaFleur Airport (5.6 miles)

  • Lowest 2 May, 2026

    33.1 °F

  • Average May

    54.2 °F

  • Highest 19 May, 2026

    87.1 °F

Climate (2021–Present)

Waterville, Waterville Robert LaFleur Airport (5.6 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    46.8 °F

  • Average High 2021–2026

    55.9 °F
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