Jefferson City Weather Forecast

    • 38
    • 69

    Mostly Sunny

    • 43
    • 75

    Mostly Sunny

    • 45
    • 78

    Mostly Sunny

    • 44
    • 74

    Slight Chance Thunderstorms

    • 40
    • 65

    Chance Rain Showers

    • 42
    • 65

    Chance Rain

Today 10 May Elkhorn and Boulder Mountains

Warmer, sunny. Highs 55 to 65. Southeast Winds up to 10 Mph.

Tonight 10 May Elkhorn and Boulder Mountains

Mostly clear. Lows 35 to 40. Southeast Winds up to 10 Mph shifting to the west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson City Temperature Statistics

May Temperature

Helena Regional Airport (14.9 miles)

  • Lowest 4 May, 2024

    29.8 °F

  • Average May

    46.3 °F

  • Highest 4 May, 2024

    66.7 °F

Climate (2019–Present)

Helena Regional Airport (14.9 miles)

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  • Average Low 2019–2024

    35.9 °F

  • Average 2019–2024

    46.9 °F

  • Average High 2019–2024

    58.4 °F
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