Kooser State Park Weather Forecast
- 54
- 77
Mostly Sunny
- 53
- 79
Mostly Sunny
- 58
- 77
Partly Sunny
- 58
- 74
Slight Chance Thunderstorms
- 60
- 78
Chance Rain Showers
- 59
- 78
Chance Rain Showers
- 57
- 76
Chance Rain Showers
Today 18 Sep Somerset
Sunny. Near steady temperature in the upper 70s. Northwest Winds 5 to 10 Mph.
Tonight 18 Sep Somerset
Clear. Lows in the lower 50s. West Winds around 5 Mph.
Kooser State Park Temperature Statistics
September Temperature
Latrobe / Westmorland (17.4 miles)
Lowest 8 September, 2025
39.2 °FAverage September
60.1 °FHighest 15 September, 2025
84.2 °F
Climate (2020–Present)
Latrobe / Westmorland (17.4 miles)
Average Low 2020–2025
43.7 °FAverage 2020–2025
51.5 °FAverage High 2020–2025
62.7 °F