Lake Riverside Weather Forecast
- 69
- 99
Hot
- 69
- 99
Hot
- 66
- 98
Hot
- 64
- 97
Hot
- 64
- 95
Sunny
- 64
- 94
Mostly Sunny
Today 31 Jul Riverside County Mountains
Mostly sunny. Highs 92 to 102. Areas of Winds south to 10 Mph becoming west with Gusts to 25 Mph this afternoon.
Tonight 31 Jul Riverside County Mountains
Mostly clear. Lows 64 to 74. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph becoming north overnight.
Lake Riverside Temperature Statistics
July Temperature
Big Bear City Airport (51.6 miles)
Lowest 1 July, 2026
38.5 °FAverage July
67.8 °FHighest 9 July, 2026
87.6 °F
Climate (2021–2026)
Big Bear City Airport (51.6 miles)
Average Low 2021–2026
33.8 °FAverage 2021–2026
48.9 °FAverage High 2021–2026
60.3 °F