Greenville Weather Forecast

    • 61
    • 83

    Slight Chance Rain Showers

    • 67
    • 85

    Partly Sunny

    • 67
    • 84

    Rain Showers

    • 57
    • 80

    Patchy Fog

    • 58
    • 80

    Mostly Sunny

    • 63
    • 82

    Rain Showers Likely

Today 14 Aug Mercer

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. A 20 percent chance of Showers. Humid with Highs in the lower 80s. East Winds around 5 Mph, becoming northeast around 5 Mph in the afternoon.

Tonight 14 Aug Mercer

Mainly clear. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Greenville Temperature Statistics

August Temperature

Port Meadville Airport (17.4 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    71.2 °F

  • Highest 6 August, 2026

    82.9 °F

Climate (2021–2026)

Port Meadville Airport (17.4 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.3 °F
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