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.
Derry Temperature Statistics
May Temperature
Latrobe / Westmorland (6.2 miles)
Lowest 10 May, 2025
37.4 °FAverage May
59.8 °FHighest 1 May, 2025
82.4 °F
Climate (2020–Present)
Latrobe / Westmorland (6.2 miles)
Average Low 2020–2025
43.8 °FAverage 2020–2025
51.6 °FAverage High 2020–2025
62.8 °F