Tropical Storm Sara made landfall in northern Honduras late Thursday and threatened to dump torrential rains across parts of ...

Climate experts are eagerly awaiting the declaration of a La Niña, but the global weather pattern is trending toward it being weak.

SAN FRANCISCO — This week, 49 states are experiencing “moderate drought or worse,” according to the U.S. government. That ...

Night - Scattered showers with a 76% chance of precipitation. Winds NE at 6 mph (9.7 kph). The overnight low will be 69 °F (20.6 °C). Mostly cloudy with a high of 75 °F (23.9 °C) and a 51% ...

The strength of the sun's ultraviolet (UV) radiation is expressed as a Solar UV Index or Sun Index.The UV Index does not exceed 8 in the UK (8 is rare; 7 may occur on exceptional days, mostly in the ...