Cornish Weather Forecast

    • 69
    • 86

    Chance Thunderstorms

    • 59
    • 80

    Rain Showers

    • 60
    • 74

    Rain Showers Likely

    • 60
    • 74

    Rain Showers Likely

    • 60
    • 79

    Chance Thunderstorms

    • 63
    • 81

    Slight Chance Thunderstorms

Today 18 May Jefferson

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 80s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 40 percent.

Tonight 18 May Jefferson

Partly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Breezy with Lows in the upper 60s. South Winds 15 to 25 Mph with Gusts up to 35 Mph, Diminishing to 10 to 15 Mph with Gusts up to 25 Mph after midnight. Chance of rain 40 percent.

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  • Temperature Real-Time

Cornish Temperature Statistics

May Temperature

Ardmore, Ardmore Downtown Executive Airport (26.7 miles)

  • Lowest 2 May, 2026

    44.8 °F

  • Average May

    67.5 °F

  • Highest 14 May, 2026

    89.1 °F

Climate (2021–Present)

Ardmore, Ardmore Downtown Executive Airport (26.7 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    64.4 °F

  • Average High 2021–2026

    76.5 °F
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