weather outlook lake tahoe
Lake tahoe: Weather Forecast. The warmest day over the next 7 days in Lake tahoe is forecast to be 2nd September at 34Â°C (93Â°F) and the warmest night on 2nd September at 15Â°C (59Â°F). The average temperature over the next 7 days is forecast to be 33Â°C (91Â°F) . The average for August is 0Â°C (0Â°F) in Lake tahoe. 1  Fri 1 Sep 33Â°C (91Â°F) E 7mph. (11kmh) Night 13Â°C. 2  Sat 2 Sep 34Â°C (93Â°F) NE 6mph. (10kmh) Night 15Â°C. 3  Sun 3 Sep 34Â°C (93Â°F) SW 6mph. (10kmh) Night 14Â°C. 4  Mon 4 Sep 34Â°C (93Â°F) W 7mph. (11kmh) Night 14Â°C. 5  Tue 5 Sep 33Â°C (91Â°F) N 8mph. (12kmh) Night 15Â°C. 6  Wed 6 Sep 34Â°C (93Â°F) WSW 5mph.