Derry Weather Forecast

    • 48
    • 67

    Mostly Cloudy

    • 43
    • 68

    Partly Sunny

    • 54
    • 70

    Rain Showers

    • 50
    • 64

    Rain Showers

    • 46
    • 58

    Rain Showers

    • 46
    • 60

    Rain Showers Likely

Today 18 May Westmoreland

Mostly sunny in the Morning, then becoming partly sunny. Highs in the upper 60s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 18 May Westmoreland

Mostly cloudy in the Evening, then becoming mainly clear. Lows in the upper 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Derry Temperature Statistics

May Temperature

Latrobe / Westmorland (6.2 miles)

  • Lowest 10 May, 2025

    37.4 °F
  • Average May

    59.8 °F
  • Highest 1 May, 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

    51.6 °F
  • Average High 2020–2025

    62.8 °F
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