Traveling to Mack Park, Holtville, California? Here is your 6-day weather forecast in the area. Whether it is a warm weather destinations or cold climate don’t forget to consider weather, while you pack your bags for this trip. Start your day when the sunrises at 2:20 PM and don’t miss the sunset at 12:36 AM. Today’s winds are traveling south at a speed of 3 MPH. The temperature feels like 59 with a humidity level of 29. Cloud coverage is 12 percent with 14.9 percent visibility. Today’s UV index is 4 make sure to prepare properly. Make sure to plan your travel itinerary to match your travel weather forecast to make the most of your vacation with Reservations.com.