Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. The Weather Channel is the world's most accurate forecaster according to ForecastWatch, Global and Regional Weather Forecast Accuracy Overview, 2021-2024, commissioned by The Weather Company. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Oakland area. Check current conditions in Oakland, CA with radar, hourly, and more. Today's high temperature will be nearly the same as yesterday's. Meet Me at The Altar. Temperature is measured with a thermometer. Thermometers are calibrated in various temperature scales that historically have relied on various reference points and thermometric substances for definition. July's outlook for the U.S. has become tricky, especially with how long heat will last. Here's our latest thinking not only on temperatures, but also rainfall. See United States current conditions with our interactive weather map. Providing your local temperature, and the temperatures for the surrounding areas, locally and nationally. Live wind, rain, radar or temperature maps, more than 50 weather layers, detailed forecast for your place, data from the best weather forecast models. Today's and tonight's professional weather forecast for Oakland. Precipitation radar, HD satellite images, and current weather warnings, hourly temperature, chance of rain, and sunshine hours.