Rainbow Lake, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Rainbow Lake, CA Weather Forecast


Rainbow Lake, CA Weather Forecast Date: 1155 AM PDT Sat Sep 19 2026
The area/counties/county of: San Bernardino County Mountains, including the cities of: Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, and Wrightwood.or toggle through each period.
Tonight... Mostly clear this evening...Becoming partly cloudy. Lows 45 to 55 above 6000 feet to 54 to 64 below 6000 feet. Areas of winds east to 10 mph.
Sunday... Partly cloudy. Highs 66 to 76 above 6000 feet to 74 to 83 below 6000 feet. Areas of winds south 10 to 15 mph. Gusts to 25 mph...Becoming 30 mph in the afternoon.
Sunday Night... Mostly clear. Lows 44 to 54 above 6000 feet to 51 to 61 below 6000 feet. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the evening.
Monday... Mostly sunny. Highs 62 to 72 above 6000 feet to 68 to 78 below 6000 feet. Areas of winds south to 10 mph...Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
Monday Night... Mostly clear. Lows 41 to 51 above 6000 feet to 48 to 58 below 6000 feet. Areas of winds west to 10 mph.
Tuesday... Mostly sunny. Highs 62 to 72 above 6000 feet to 70 to 79 below 6000 feet.
Tuesday Night... Clear. Lows 48 to 58.
Wednesday... Sunny, warmer. Highs 66 to 76 above 6000 feet to 77 to 86 below 6000 feet.
Wednesday Night... Clear. Lows 49 to 59.
Thursday... Mostly sunny. Highs 68 to 78 above 6000 feet to 78 to 87 below 6000 feet.
Thursday Night... Mostly clear. Lows 50 to 60.
Friday... Mostly sunny. A slight chance of showers in the afternoon. Highs 67 to 77 above 6000 feet to 76 to 85 below 6000 feet.
Friday Night... Mostly clear. Lows 50 to 60.
Weather World