Long Gulch Lake Weather Forecast
- 51
- 72
Slight Chance Rain
- 50
- 66
Chance Rain
- 45
- 63
Chance Rain Showers
- 49
- 65
Mostly Sunny
- 52
- 71
Mostly Sunny
- 49
- 68
Chance Rain
Today 18 Sep Western Siskiyou County
Sunny in the Morning, then partly cloudy with a 10 percent chance of Thunderstorms in the afternoon. Highs in the mid 70s to mid 80s. Northeast Winds around 5 Mph shifting to the north late in the afternoon.
Tonight 18 Sep Western Siskiyou County
Partly cloudy with a slight chance of Thunderstorms in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the mid 50s to lower 60s. Northwest Winds around 5 Mph shifting to the east late in the evening and overnight. Chance of precipitation 20 percent.
Long Gulch Lake Temperature Statistics
September Temperature
Trinity Center (18 miles)
Lowest 14 September, 2025
50 °FAverage September
69.2 °FHighest 1 September, 2025
95 °F
Climate (2020–Present)
Trinity Center (18 miles)
Average Low 2020–2025
42.2 °FAverage 2020–2025
55.1 °FAverage High 2020–2025
68.5 °F