Showers and thunderstorms tonight in Costa Mesa, CA, with a low around 62. Chances of rain run around 98% tonight. Thursday looks showers and thunderstorms, with a high near 69. Over the next 6 days, highs range from 69 to 81 with overnight lows from 57 to 61.

The National Weather Service 7-day forecast for your location, with daily and hourly temperature, chance of precipitation, wind, and conditions.