Take a look at how cold nights have been trending for various cities across the U.S.
Some wild winter weather has hit parts of Central and Eastern regions of the U.S. in the past few weeks. We take a look at some of the hardest-hit regions.
December brought unexpectedly chill temperatures to parts of Europe and the North Eastern U.S. We round up the cold snap visually.
Comparison of early to mid-summer conditions along the eastern seaboard vs. the West Coast.
By mid-century in Boston, the sweltering heat of July 2010 may be thought of as cooler-than-average conditions, as more days above 90Ã‚Â°F routinely occur.