Duncan climate

Duncan Weather in October

NOAA 1991-2020 normals for Duncan, 3.3 km from Duncan

Average highs run from 86°F on October 1 to 76°F on October 31, and lows from 50°F to 36°F. Normal precipitation for the month is 0.71 in over about 3 wet days.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Duncan, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
81°F
Average low
43°F
Precipitation
0.71 in
Record high
101°FOct 13, 1998
Record low
28°FOct 29, 2009
Chance of a freeze
73%
Days of 90°F or more
5.6
Daylight
11 h 50 min to 10 h 53 min
Cloud cover
29%
Humidity
42%
Dew point
35°F
Wind
8.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Oct 186°F50°F100°F 200349°F 201311%0%
Oct 286°F49°F98°F 200047°F 200911%0%
Oct 386°F49°F100°F 202450°F 201411%0%
Oct 485°F48°F100°F 202440°F 200210%0%
Oct 585°F48°F98°F 202047°F 201610%0%
Oct 685°F47°F99°F 202443°F 199810%0%
Oct 784°F47°F97°F 202042°F 200710%0%
Oct 884°F46°F97°F 202038°F 201110%0%
Oct 984°F46°F96°F 202442°F 201110%0%
Oct 1084°F45°F96°F 202444°F 201810%0%
Oct 1183°F45°F97°F 202441°F 201310%0%
Oct 1283°F45°F97°F 202441°F 200810%0%
Oct 1383°F44°F101°F 199833°F 20089%0%
Oct 1482°F44°F97°F 202038°F 20089%0%
Oct 1582°F43°F96°F 202041°F 202110%0%
Oct 1682°F43°F94°F 201144°F 201810%0%
Oct 1781°F42°F93°F 200340°F 201310%0%
Oct 1881°F42°F93°F 200341°F 201310%0%
Oct 1981°F41°F93°F 202339°F 200610%0%
Oct 2080°F41°F93°F 200338°F 200610%0%
Oct 2180°F41°F94°F 200341°F 201310%0%
Oct 2280°F40°F92°F 200343°F 201010%0%
Oct 2379°F40°F93°F 202438°F 200410%0%
Oct 2479°F39°F92°F 200337°F 200810%0%
Oct 2578°F39°F94°F 202433°F 202210%0%
Oct 2678°F38°F93°F 202435°F 202210%0%
Oct 2778°F38°F96°F 202437°F 202010%0%
Oct 2877°F38°F90°F 200130°F 202010%0%
Oct 2977°F37°F89°F 200128°F 200910%0%
Oct 3077°F37°F90°F 200129°F 200910%0%
Oct 3176°F36°F86°F 200831°F 201910%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Duncan, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

October 1
sunrise 6:11 AM, sunset 6:01 PM
October 31
sunrise 6:33 AM, sunset 5:26 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00022754 (Duncan), public domain. Records: NOAA GHCN-Daily, station USW00093084, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.