Simpson County climate

Simpson County Weather in October

NOAA 1991-2020 normals for Portland Sewage Plt, 17.9 km from Simpson County

Average highs run from 77°F on October 1 to 65°F on October 31, and lows from 54°F to 42°F. Normal precipitation for the month is 3.69 in over about 8 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 Simpson County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
71°F
Average low
48°F
Precipitation
3.69 in
Record high
95°FOct 3, 2019
Record low
22°FOct 26, 1962
Chance of a freeze
47%
Daylight
11 h 48 min to 10 h 41 min
Cloud cover
50%
Humidity
72%
Dew point
49°F
Wind
6.9 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 177°F54°F94°F 201936°F 196326%0%
Oct 277°F53°F94°F 201933°F 196626%0%
Oct 376°F53°F95°F 201929°F 197426%0%
Oct 476°F53°F95°F 201930°F 197426%0%
Oct 576°F52°F89°F 201833°F 196826%0%
Oct 675°F52°F89°F 201929°F 196426%0%
Oct 775°F51°F90°F 201828°F 196426%0%
Oct 875°F51°F90°F 200732°F 197826%0%
Oct 974°F51°F90°F 200731°F 197826%0%
Oct 1074°F50°F88°F 198025°F 196426%0%
Oct 1173°F50°F87°F 201027°F 196427%0%
Oct 1273°F49°F88°F 196332°F 197727%0%
Oct 1373°F49°F85°F 196128°F 198027%0%
Oct 1472°F49°F85°F 197529°F 197927%0%
Oct 1572°F48°F85°F 197529°F 196127%0%
Oct 1672°F48°F85°F 196230°F 196127%0%
Oct 1771°F47°F86°F 196527°F 197027%0%
Oct 1871°F47°F84°F 196329°F 197627%0%
Oct 1970°F47°F86°F 201630°F 197627%0%
Oct 2070°F46°F89°F 201623°F 196427%0%
Oct 2170°F46°F85°F 196328°F 197227%0%
Oct 2269°F46°F86°F 196328°F 197427%0%
Oct 2369°F45°F87°F 196326°F 196427%0%
Oct 2468°F45°F85°F 196324°F 196427%0%
Oct 2568°F45°F84°F 197524°F 196527%0%
Oct 2668°F44°F84°F 202422°F 196227%0%
Oct 2767°F44°F83°F 202026°F 196127%0%
Oct 2867°F43°F83°F 196324°F 197628%0%
Oct 2966°F43°F82°F 197123°F 196528%0%
Oct 3066°F43°F84°F 201625°F 196528%0%
Oct 3165°F42°F83°F 201625°F 198028%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Simpson County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

October 1
sunrise 6:42 AM, sunset 6:30 PM
October 31
sunrise 7:09 AM, sunset 5:50 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00407359 (Portland Sewage Plt), public domain. Records: NOAA GHCN-Daily, station USC00407359, 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.