Crescent City Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Crescent City area. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! Be prepared with the most accurate 10-day forecast for Crescent City, CA with highs, lows, chance of precipitation from The Weather Channel and Weather.com Get the forecast for today, tonight & tomorrow's weather for Crescent City, CA. Be prepared for the day. Check the current conditions for Crescent City, CA for the day ahead, with radar, hourly, and up to the minute forecasts. Today’s and tonight’s Crescent City, CA weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com