Jefferson Weather Forecast

    • 61
    • 88

    Rain Showers

    • 55
    • 76

    Mostly Sunny

    • 63
    • 82

    Partly Sunny

    • 61
    • 84

    Rain Showers

    • 56
    • 73

    Slight Chance Rain Showers

    • 56
    • 76

    Mostly Sunny

Today 18 Jul Ashtabula Inland

Smoke this morning. Partly sunny with a chance of Showers and Thunderstorms this Morning, then Showers with Thunderstorms likely this afternoon. Highs in the upper 80s. Southwest Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon. Chance of rain near 100 percent.

Tonight 18 Jul Ashtabula Inland

Showers with Thunderstorms likely in the Evening, then partly cloudy after midnight. Humid with Lows in the lower 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming north 5 to 10 Mph after midnight. Chance of rain near 100 percent.

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Jefferson Temperature Statistics

July Temperature

Ashtabula - Northeast Ohio Regional Airport (4.3 miles)

  • Lowest 12 July, 2026

    57.9 °F

  • Average July

    75.7 °F

  • Highest 1 July, 2026

    93.9 °F

Climate (2021–2026)

Ashtabula - Northeast Ohio Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.6 °F
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