Perris Weather Forecast
- 44
- 78
Sunny
- 46
- 79
Sunny
- 46
- 82
Sunny
- 48
- 83
Sunny
- 50
- 82
Sunny
- 48
- 83
Sunny
- 49
- 80
Mostly Sunny
Today 7 Dec San Bernardino and Riverside County Valleys-The Inland Empire
Mostly sunny. Highs 74 to 78. Areas of Winds east to 10 Mph becoming west this afternoon.
Tonight 7 Dec San Bernardino and Riverside County Valleys-The Inland Empire
Mostly clear. Lows 43 to 46 in wind Sheltered Areas to 47 to 54 in warmer Locations. Areas of Winds east to 10 Mph. Gusts to 25 Mph overnight.
Perris Temperature Statistics
December Temperature
Riverside / March Air Force Base (8.1 miles)
Lowest 5 December, 2025
38.7 °FAverage December
55.3 °FHighest 5 December, 2025
70.2 °F
Climate (2020–Present)
Riverside / March Air Force Base (8.1 miles)
Average Low 2020–2025
52.3 °FAverage 2020–2025
65.2 °FAverage High 2020–2025
78.3 °F