Arrowbear Lake Weather Forecast
- 48
- 61
Sunny
- 50
- 65
Mostly Sunny
- 47
- 61
Mostly Sunny
- 47
- 59
Partly Sunny
- 45
- 58
Partly Sunny
- 44
- 57
Partly Sunny
- 42
- 52
Chance Rain Showers
Today 17 Dec San Bernardino County Mountains
Partly cloudy this morning. Becoming mostly sunny. Highs 58 to 67 above 6000 feet to 65 to 74 below 6000 feet. Areas of Winds west 20 to 30 Mph. Gusts to 35 Mph. Becoming 45 Mph this afternoon. Near ridge Tops and along desert Slopes, Gusts to 45 Mph. Becoming 55 Mph this afternoon.
Tonight 17 Dec San Bernardino County Mountains
Clear, Colder. Lows 34 to 44 above 6000 feet to 45 to 54 below 6000 feet. Areas of Winds northwest 20 to 30 Mph with Gusts to 45 Mph becoming northeast 10 to 15 Mph with Gusts to 25 Mph overnight.
Arrowbear Lake Temperature Statistics
December Temperature
San Bernardino Intl. Airport (12.4 miles)
Lowest 4 December, 2025
40.3 °FAverage December
57.9 °FHighest 10 December, 2025
87.8 °F
Climate (2020–Present)
San Bernardino Intl. Airport (12.4 miles)
Average Low 2020–2025
54.1 °FAverage 2020–2025
63 °FAverage High 2020–2025
80.3 °F