That will depend on what else the weatherman says; normally, it'll be clear in context. But generally, they are talking about sunrise to sunrise.
If the weatherman on TV at 10PM says "The high today WAS 25, and the low tonight WILL BE 10", then he's reporting the actual high temperature, and his forecast for the low in the next 12 hours. Please note that the lowest temperatures sometimes come shortly after sunrise; overnight fog can insulate the ground from the worst of the cold, but the first rays of dawn can burn off the fog and allow the temperature to go down a bit more.
The following websites provide global weather forecasts for free: World Weather Online, CNN, BBC, International Weather, weather-forecast and worldweather.
One can get Canadian weather forecasts online from the Weather Network, Weather GC, and EC websites. Weather forecasts help one to learn about changes to daily weather conditions in Canada.
There are several online sites that offer reliable weather forecasts for the Phoenix Arizona area. Some sites with Phoenix weather forecasts include the National Weather Service, The Weather Channel, and Accu Weather.
Meteorologists call that Forecasting.
Weather forecasts for Mexico can be found by watching the local news in Mexico which usually offers weather forecasts. One can also find it online at websites such as Wunderground.
The duration of Sunrise Weather is 1800.0 seconds.
Environment Canada issues new weather forecasts every four hours normally. If there is an unusual weather event coming such as hurricanes then the weather forecasts are updated more frequently.
Weather forecasts and information on Aruba weather can be found on the Weather Network website. Current weather as well as detailed forecasts can be found easily.
Gathering weather data and using computers have improved the accuracy of weather forecasts.
Sunrise Weather was created on 2008-09-20.
weather predit
European Centre for Medium-Range Weather Forecasts was created in 1975.