Chance of rain in the forecast this week for Paso RoblesOver a quarter inch in the forecast– Showers are possible on Tuesday night and Wednesday morning following a hot start to the week, according to the latest forecast. Monday will be partly cloudy with a high near 95 degrees and a low of 57. Tuesday will be mostly sunny with a high around 94 and a low near 63. Thursday is forecast to reach 84, with an overnight low near 56. Click here to view a 10-day forecast for Paso Robles from Weather Underground.