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April Weather in Colorado
Colorado's April 2026 forecast shows daily high temperatures ranging from 39° to 39°, with overnight lows between 32° and 35°. The average high for April is 39° with an average low of 33°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Colorado. See also: May | June | July.