Amador Wine Country Weather: Tonight: Partly cloudy, with a low around 54. West southwest wind between 4 and 7 mph becoming calm. Thursday: Mostly sunny, with a high near 75. East wind at 9 mph becoming southwest. Thursday Night: Partly cloudy, with a low around 50. Southwest wind between 5 and 8 mph becoming calm. Friday: Sunny, with a high near 74. Calm wind becoming west northwest between 7 and 10 mph. Friday Night: Mostly clear, with a low around 52. West northwest wind at 9 mph becoming east.