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April Weather in Heriot Bay
Heriot Bay's April 2026 forecast shows daily high temperatures ranging from 62° to 70°, with overnight lows between 38° and 47°. The average high for April is 65° with an average low of 43°. 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 Heriot Bay. See also: May | June | July.