Jefferson Weather Forecast

    • 53
    • 87

    Thunderstorms

    • 44
    • 59

    Chance Rain Showers

    • 49
    • 62

    Partly Sunny

    • 54
    • 66

    Rain Showers

    • 57
    • 69

    Rain Showers Likely

    • 57
    • 74

    Chance Rain Showers

Today 19 May Ashtabula Inland

Partly sunny with a chance of Showers. A chance of Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 40 percent.

Tonight 19 May Ashtabula Inland

Showers. Thunderstorms, mainly in the evening. Much cooler with Lows in the lower 50s. Southwest Winds 10 to 15 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson Temperature Statistics

May Temperature

Ashtabula - Northeast Ohio Regional Airport (4.3 miles)

  • Lowest 12 May, 2026

    32 °F

  • Average May

    50.6 °F

  • Highest 4 May, 2026

    72 °F

Climate (2021–Present)

Ashtabula - Northeast Ohio Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    60.6 °F
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