July Heat: Postcards From the Future

By mid-century the sweltering heat of July 2010 may be thought of as cooler-than-average conditions, as more days above 90°F routinely occur.

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Boston: July Days Over 90 Degrees

By mid-century in Boston, the sweltering heat of July 2010 may be thought of as cooler-than-average conditions, as more days above 90°F routinely occur.
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New York: July Days Over 90 Degrees

By mid-century in New York, the sweltering heat of July 2010 may be thought of as cooler-than-average conditions, as more days above 90°F routinely occur.

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Philadelphia: July Days Over 90 Degrees

By mid-century in Philadelphia, the sweltering heat of July 2010 may be thought of as cooler-than-average conditions, as more days above 90°F routinely occur.
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Washington, DC: July Days Over 90 Degrees

By mid-century in Washington, DC, the sweltering heat of July 2010 may be thought of as cooler-than-average conditions, as more days above 90°F routinely occur.