Summit Lake Weather Forecast
- 32
- 42
Mostly Sunny
- 39
- 49
Mostly Sunny
- 40
- 55
Mostly Sunny
- 38
- 54
Mostly Sunny
- 30
- 40
Rain/Snow Likely
- 29
- 39
Partly Sunny
Today 15 Oct Northern Trinity
Partly cloudy. Widespread frost and patchy valley fog in the morning. Highs 58 to 73.
Tonight 15 Oct Northern Trinity
Partly cloudy. Areas of frost. Lows 33 to 43.
Summit Lake Temperature Statistics
October Temperature
Trinity Center (10.6 miles)
Lowest 11 October, 2025
41 °FAverage October
57.1 °FHighest 7 October, 2025
80.6 °F
Climate (2021–Present)
Trinity Center (10.6 miles)
Average Low 2021–2025
42.3 °FAverage 2021–2025
55.3 °FAverage High 2021–2025
68.6 °F