Big Bear Lake Weather Forecast
- 36
- 40
Rain
- 32
- 39
Rain
- 37
- 40
Rain/Snow
- 34
- 42
Rain/Snow
- 31
- 38
Snow Likely
- 33
- 35
Snow Likely
Today 18 Dec Northern Trinity
Mostly cloudy. Patchy valley fog in the morning. Rain likely in the Morning, then chance of rain in the afternoon. Snow level 6500 feet in the afternoon. Highs 44 to 59. South wind around 20 Mph in the afternoon.
Tonight 18 Dec Northern Trinity
Rain and snow likely in the Evening, then rain overnight. Breezy. Snow level 6500 feet in the evening. Snow Accumulations up to 1 inch. Lows 36 to 46. South wind 20 to 25 Mph.
Big Bear Lake Temperature Statistics
December Temperature
Trinity Center (14.3 miles)
Lowest 1 December, 2025
30.2 °FAverage December
39.4 °FHighest 1 December, 2025
55.4 °F
Climate (2021–Present)
Trinity Center (14.3 miles)
Average Low 2021–2025
42.1 °FAverage 2021–2025
54.7 °FAverage High 2021–2025
68 °F