Williamson County climate

Williamson County Weather in October

NOAA 1991-2020 normals for Carbondale Sewage Plt, 20.7 km from Williamson County

Average highs run from 76°F on October 1 to 63°F on October 31, and lows from 50°F to 39°F. Normal precipitation for the month is 3.70 in over about 9 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 Williamson County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
70°F
Average low
44°F
Precipitation
3.70 in
Snowfall
0.2 in
Record high
96°FOct 3, 1922
Record low
16°FOct 29, 1952
Chance of a freeze
85%
Daylight
11 h 48 min to 10 h 38 min
Cloud cover
51%
Humidity
70%
Dew point
47°F
Wind
7.6 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 176°F50°F93°F 190032°F 193927%0%
Oct 276°F49°F95°F 195330°F 193927%0%
Oct 375°F49°F96°F 192227°F 198127%0%
Oct 475°F48°F94°F 192227°F 198127%0%
Oct 575°F48°F96°F 193827°F 190127%0%
Oct 674°F48°F91°F 191629°F 198027%0%
Oct 774°F47°F93°F 193925°F 195228%0%
Oct 873°F47°F93°F 200727°F 195228%0%
Oct 973°F46°F93°F 200724°F 191728%0%
Oct 1073°F46°F91°F 192425°F 196428%0%
Oct 1172°F46°F95°F 196325°F 196428%0%
Oct 1272°F45°F90°F 196125°F 198729%0%
Oct 1371°F45°F94°F 192822°F 191729%0%
Oct 1471°F45°F92°F 198925°F 197929%0%
Oct 1571°F44°F91°F 193824°F 193929%0%
Oct 1670°F44°F89°F 192424°F 199129%0%
Oct 1770°F44°F90°F 193825°F 199130%0%
Oct 1869°F43°F90°F 192420°F 197630%0%
Oct 1969°F43°F91°F 192420°F 197630%0%
Oct 2068°F43°F91°F 196325°F 202230%0%
Oct 2168°F42°F89°F 196318°F 195230%0%
Oct 2267°F42°F89°F 195319°F 195230%0%
Oct 2367°F42°F89°F 192724°F 198231%0%
Oct 2467°F41°F86°F 194018°F 198131%0%
Oct 2566°F41°F89°F 194020°F 198131%0%
Oct 2666°F41°F91°F 194023°F 198231%0%
Oct 2765°F41°F90°F 192724°F 198231%0%
Oct 2865°F40°F92°F 192720°F 197632%0%
Oct 2964°F40°F85°F 195016°F 195232%0%
Oct 3064°F40°F85°F 192220°F 197632%0%
Oct 3163°F39°F86°F 195020°F 192332%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Williamson County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

October 1
sunrise 6:51 AM, sunset 6:39 PM
October 31
sunrise 7:20 AM, sunset 5:58 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00111265 (Carbondale Sewage Plt), public domain. Records: NOAA GHCN-Daily, station USC00111265, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.