Derry Weather Forecast

    • 20
    • 36

    Partly Sunny

    • 0
    • 25

    Mostly Cloudy

    • 11
    • 15

    Snow

    • 13
    • 25

    Snow

    • 1
    • 19

    Chance Snow

    • 10
    • 18

    Mostly Cloudy

Today 22 Jan Westmoreland

Partly cloudy. Highs in the mid 30s. Temperatures falling into the lower 30s. West Winds 15 to 20 Mph with Gusts up to 40 Mph.

Tonight 22 Jan Westmoreland

Mostly cloudy. Lows around 19. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Derry Temperature Statistics

January Temperature

Latrobe / Westmorland (6.2 miles)

  • Lowest 20 January, 2026

    5 °F

  • Average January

    30.3 °F

  • Highest 9 January, 2026

    62.6 °F

Climate (2021–Present)

Latrobe / Westmorland (6.2 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    62.7 °F
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