McCarthy Park Weather Forecast
- 54
- 76
Sunny
- 52
- 77
Mostly Sunny
- 53
- 73
Mostly Cloudy
- 51
- 70
Partly Sunny
- 50
- 67
Partly Sunny
- 51
- 67
Partly Sunny
Today 19 Jan San Bernardino and Riverside County Valleys-The Inland Empire
Mostly sunny. Highs 75 to 80. Light Winds becoming north 10 to 15 Mph with Gusts to 30 Mph in the afternoon.
Tonight 19 Jan San Bernardino and Riverside County Valleys-The Inland Empire
Clear. Lows 44 to 47 in wind Sheltered Areas to 49 to 54 in warmer Locations. Areas of Winds north 10 to 15 Mph with Gusts to 35 Mph.
McCarthy Park Temperature Statistics
January Temperature
Brackett Field Airport (6.8 miles)
Lowest 10 January, 2026
35.6 °FAverage January
59.9 °FHighest 14 January, 2026
82.4 °F
Climate (2021–Present)
Brackett Field Airport (6.8 miles)
Average Low 2021–2026
55.6 °FAverage 2021–2026
67.6 °FAverage High 2021–2026
75.5 °F