Mystic Lake Weather Forecast
- 55
- 85
Becoming Sunny
- 56
- 86
Partly Sunny
- 58
- 88
Mostly Sunny
- 60
- 94
Mostly Sunny
- 61
- 95
Mostly Sunny
- 61
- 96
Mostly Sunny
Today 7 Jun San Bernardino and Riverside County Valleys-The Inland Empire
Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 79 to 85. Areas of Winds west to 10 Mph becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.
Tonight 7 Jun San Bernardino and Riverside County Valleys-The Inland Empire
Mostly clear in the evening. Becoming partly cloudy. Lows 51 to 57. Areas of Winds southwest 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.
Mystic Lake Temperature Statistics
June Temperature
Riverside / March Air Force Base (8.7 miles)
Lowest 3 June, 2026
55 °FAverage June
71.7 °FHighest 4 June, 2026
91.7 °F
Climate (2021–Present)
Riverside / March Air Force Base (8.7 miles)
Average Low 2021–2026
52.7 °FAverage 2021–2026
65.7 °FAverage High 2021–2026
78.8 °F