Weather · Duncan
Duncan forecast & conditions
Current conditions, the 7-day outlook and hour-by-hour details for Duncan, straight from the National Weather Service. Watches and warnings show up first.
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Climate · a normal year
What a year in Duncan feels like
Duncan has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 91°, a January night drops to 34°, and snow is almost unheard of.
53° / 36°Winter
73° / 53°Spring
90° / 71°Summer
75° / 53°Fall
How much snow does Duncan get?Almost none.Rain & snow →When is the first frost?Around Nov 12, with the last in spring around Mar 16.Frost dates →Is it warmer than it used to be?+0.6° vs. the 20th century.Then & now →
See Duncan’s full climate →
NOAA U.S. Climate Normals, 1991–2020. A normal is a 30-year average, not a forecast.
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Data from the U.S. National Weather Service (weather.gov) — free public data, not modified by TownTapestry. Not a substitute for official warnings; always follow weather.gov and local authorities.