Derry Weather Forecast

    • 60
    • 85

    Slight Chance Thunderstorms

    • 62
    • 84

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

    • 68
    • 89

    Chance Thunderstorms

    • 66
    • 86

    Chance Rain Showers

Today 3 Jul Westmoreland

Mostly sunny with isolated Showers and Thunderstorms. Near steady temperature in the mid 80s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 3 Jul Westmoreland

Mainly clear. Isolated Showers and Thunderstorms in the evening. Lows in the upper 50s. Northwest Winds 5 to 10 Mph, becoming east after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Derry Temperature Statistics

July Temperature

Latrobe / Westmorland (6.2 miles)

  • Lowest 1 July, 2025

    68 °F

  • Average July

    72.9 °F

  • Highest 1 July, 2025

    80.6 °F

Climate (2020–Present)

Latrobe / Westmorland (6.2 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    62.7 °F
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