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What's the difference between dew point and relative humidity? A meteorologists explains.
PITTSBURGH (KDKA) — Oftentimes in weathercasts, you'll hear KDKA-TV's First Alert meteorologists mention the relative humidity and dew point, but what are these two terms and what do they mean?
Weather IQ: What's the difference in dew point and humidity?
Dew point measures the air’s moisture content directly and impacts weather perception more accurately than relative humidity.