Rainbow Bay Weather Forecast
- 32
- 44
Becoming Sunny
- 40
- 50
Mostly Sunny
- 43
- 54
Partly Sunny
- 44
- 57
Mostly Sunny
- 41
- 58
Partly Sunny
- 39
- 51
Chance Rain
Today 30 Jan San Bernardino County Mountains
Mostly sunny. Not as cool. Highs 48 to 57. Areas of Winds west to 10 Mph in the morning becoming light.
Tonight 30 Jan San Bernardino County Mountains
Mostly clear. Lows 21 to 31 above 6000 feet to 28 to 38 below 6000 feet. Light Winds.
Rainbow Bay Temperature Statistics
January Temperature
San Bernardino Intl. Airport (11.2 miles)
Lowest 19 January, 2025
32 °FAverage January
51.7 °FHighest 2 January, 2025
82.4 °F
Climate (2020–Present)
San Bernardino Intl. Airport (11.2 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
54.3 °FAverage 2020–2025
63.4 °FAverage High 2020–2025
80.7 °F