Watertown Weather Forecast

    • 64
    • 81

    Rain Showers

    • 53
    • 76

    Partly Sunny

    • 56
    • 77

    Mostly Sunny

    • 63
    • 81

    Mostly Cloudy

    • 65
    • 81

    Slight Chance Thunderstorms

    • 66
    • 85

    Mostly Cloudy

Today 21 Jul Washington

Showers likely with a chance of Thunderstorms this Morning, then Thunderstorms likely with Showers this afternoon. Some Thunderstorms may produce small hail this morning. Some Thunderstorms may produce small hail this afternoon. Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 21 Jul Washington

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers. Thunderstorms Likely, mainly in the evening. Some Thunderstorms may produce small hail in the evening. Some Thunderstorms may produce small hail after midnight. Humid with Lows in the mid 60s. West Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain 70 percent.

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Watertown Temperature Statistics

July Temperature

Parkersburg, Mid-Ohio Valley Regional Airport (13 miles)

  • Lowest 14 July, 2026

    65.6 °F

  • Average July

    79.1 °F

  • Highest 3 July, 2026

    94.6 °F

Climate (2021–2026)

Parkersburg, Mid-Ohio Valley Regional Airport (13 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    66.5 °F
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