Lake Forest Weather Forecast
- 42
- 60
Increasing Clouds
- 41
- 63
Becoming Sunny
- 42
- 64
Partly Sunny
- 45
- 68
Mostly Sunny
- 43
- 67
Partly Sunny
- 47
- 69
Mostly Sunny
- 46
- 72
Mostly Sunny
Today 17 Jan Orange County Inland
Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs around 59. Light Winds becoming southwest 10 Mph this afternoon.
Tonight 17 Jan Orange County Inland
Partly cloudy. Lows 40 to 46. Light Winds.
Lake Forest Temperature Statistics
January Temperature
John Wayne-Orange County Airport (9.3 miles)
Lowest 15 January, 2025
46 °FAverage January
60.1 °FHighest 8 January, 2025
73.7 °F
Climate (2020–Present)
John Wayne-Orange County Airport (9.3 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
58.9 °FAverage 2020–2025
65.8 °FAverage High 2020–2025
73.8 °F