Greenville Weather Forecast

    • 74
    • 95

    Mostly Sunny

    • 74
    • 98

    Hot

    • 74
    • 99

    Hot

    • 71
    • 96

    Chance Thunderstorms

    • 68
    • 91

    Rain Showers Likely

    • 67
    • 89

    Rain Showers Likely

Today 30 Jun Mercer

Mostly sunny. Hot. Near steady temperature in the lower 90s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Heat index Values up to 103.

Tonight 30 Jun Mercer

Mainly clear. Warm with Lows in the lower 70s. Southwest Winds 5 to 10 Mph.

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Greenville Temperature Statistics

June Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 2 June, 2026

    46.9 °F

  • Average June

    66.7 °F

  • Highest 11 June, 2026

    86 °F

Climate (2021–2026)

Port Meadville Airport (17.4 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.2 °F
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