Gretna Lake Weather Forecast

    • 69
    • 91

    Rain Showers Likely

    • 68
    • 82

    Rain Showers

    • 67
    • 85

    Chance Thunderstorms

    • 64
    • 85

    Mostly Sunny

    • 63
    • 84

    Mostly Sunny

    • 65
    • 84

    Slight Chance Thunderstorms

Today 20 Aug Pittsylvania

Mostly sunny. A chance of Showers with a slight chance of Thunderstorms this afternoon. Hot with Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 20 Aug Pittsylvania

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Humid with Lows in the upper 60s. West Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gretna Lake Temperature Statistics

August Temperature

Brookneal/Campbell County Airport (22.4 miles)

  • Lowest 1 August, 2026

    60.8 °F

  • Average August

    78.7 °F

  • Highest 14 August, 2026

    96.8 °F

Climate (2021–2026)

Brookneal/Campbell County Airport (22.4 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    69.5 °F
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