Cornish Weather Forecast

    • 58
    • 80

    Increasing Clouds

    • 63
    • 78

    Rain Showers

    • 55
    • 81

    Chance Thunderstorms

    • 52
    • 76

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 59
    • 85

    Mostly Sunny

    • 62
    • 86

    Chance Rain Showers

Today 20 Jul Sullivan

Mostly sunny. Highs in the upper 70s. Southwest Winds around 10 Mph.

Tonight 20 Jul Sullivan

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornish Temperature Statistics

July Temperature

Springfield, Hartness State Springfield Airport (11.2 miles)

  • Lowest 12 July, 2026

    51.7 °F

  • Average July

    73.5 °F

  • Highest 1 July, 2026

    96.7 °F

Climate (2021–2026)

Springfield, Hartness State Springfield Airport (11.2 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    59.1 °F
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