Martinsburg Weather Forecast
- 50
- 75
Mostly Sunny
- 46
- 70
Partly Sunny
- 47
- 70
Partly Sunny
- 52
- 73
Slight Chance Rain Showers
- 46
- 68
Slight Chance Thunderstorms
- 48
- 69
Partly Sunny
- 51
- 72
Partly Sunny
Today 25 Aug Blair
Partly sunny. Highs in the mid 70s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 25 Aug Blair
Partly cloudy this Evening, then becoming mostly clear. Lows around 50. West Winds 5 to 10 Mph.
Martinsburg Temperature Statistics
August Temperature
Altoona - Blair County Airport (0.6 miles)
Lowest 3 August, 2025
47.6 °FAverage August
69.2 °FHighest 17 August, 2025
90.6 °F
Climate (2020–Present)
Altoona - Blair County Airport (0.6 miles)
Average Low 2020–2025
43.6 °FAverage 2020–2025
52.8 °FAverage High 2020–2025
62.2 °F