Derry Weather Forecast

    • 46
    • 77

    Rain Showers

    • 44
    • 59

    Chance Rain Showers

    • 43
    • 63

    Rain Showers Likely

    • 41
    • 52

    Chance Rain Showers

    • 36
    • 53

    Chance Rain Showers

    • 38
    • 55

    Mostly Cloudy

    • 43
    • 58

    Chance Rain Showers

Today 19 Oct Westmoreland

Partly sunny this Morning, then Showers with a slight chance of Thunderstorms this afternoon. Warm with Highs in the upper 70s. Temperatures falling into the upper 60s this afternoon. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

Tonight 19 Oct Westmoreland

A slight chance of Thunderstorms in the evening. Showers. Lows in the mid 40s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Derry Temperature Statistics

October Temperature

Latrobe / Westmorland (6.2 miles)

  • Lowest 17 October, 2025

    32 °F

  • Average October

    55.4 °F

  • Highest 6 October, 2025

    82.4 °F

Climate (2020–Present)

Latrobe / Westmorland (6.2 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    62.8 °F
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