Walnut Weather Forecast

    • 58
    • 83

    Slight Chance Thunderstorms

    • 53
    • 73

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 64
    • 81

    Mostly Sunny

    • 68
    • 87

    Slight Chance Thunderstorms

Today 21 Jul Marshall

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 21 Jul Marshall

Mostly clear. Cooler. Less humid with Lows in the upper 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Walnut Temperature Statistics

July Temperature

Rochester Fulton County Airport (7.5 miles)

  • Lowest 13 July, 2026

    60.8 °F

  • Average July

    77.4 °F

  • Highest 3 July, 2026

    93.2 °F

Climate (2021–2026)

Rochester Fulton County Airport (7.5 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    61.7 °F
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