Sergeant Bluff climate

Sergeant Bluff Weather in October

NOAA 1991-2020 normals for Sioux City Gateway AP, 2.2 km from Sergeant Bluff

Average highs run from 71°F on October 1 to 55°F on October 31, and lows from 45°F to 31°F. Normal precipitation for the month is 2.20 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 Sergeant Bluff, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
63°F
Average low
38°F
Precipitation
2.20 in
Snowfall
0.8 in
Record high
94°FOct 2, 1997
Record low
8°FOct 27, 2020
Chance of a freeze
100%
Days of 90°F or more
0.5
Daylight
11 h 44 min to 10 h 22 min
Cloud cover
56%
Humidity
68%
Dew point
39°F
Wind
11.6 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 171°F45°F92°F 202325°F 200327%0%
Oct 270°F44°F94°F 199724°F 200427%1%
Oct 370°F44°F93°F 200628°F 198726%1%
Oct 469°F43°F91°F 200527°F 196826%1%
Oct 569°F43°F93°F 196323°F 201226%1%
Oct 668°F42°F91°F 196322°F 200026%1%
Oct 768°F42°F89°F 198015°F 201226%1%
Oct 867°F41°F93°F 201017°F 200026%1%
Oct 967°F41°F87°F 198020°F 200025%1%
Oct 1066°F41°F87°F 196224°F 200025%1%
Oct 1166°F40°F91°F 201519°F 198725%1%
Oct 1265°F40°F92°F 197523°F 201225%2%
Oct 1365°F39°F92°F 197523°F 197924%2%
Oct 1464°F39°F89°F 195822°F 200624%2%
Oct 1563°F38°F90°F 195822°F 195224%2%
Oct 1663°F38°F85°F 196122°F 194324%2%
Oct 1762°F37°F89°F 196115°F 197623%2%
Oct 1862°F37°F87°F 194515°F 202223%3%
Oct 1961°F37°F88°F 200313°F 197223%3%
Oct 2061°F36°F88°F 194716°F 196023%3%
Oct 2160°F36°F88°F 194721°F 197622%3%
Oct 2260°F35°F85°F 200317°F 197622%3%
Oct 2359°F35°F87°F 202218°F 200622%4%
Oct 2458°F34°F82°F 195215°F 202022%4%
Oct 2558°F34°F82°F 194018°F 202022%4%
Oct 2657°F34°F84°F 194015°F 202021%4%
Oct 2757°F33°F86°F 19998°F 202021%4%
Oct 2856°F33°F78°F 194415°F 196721%4%
Oct 2956°F32°F83°F 202418°F 195221%5%
Oct 3055°F32°F85°F 195016°F 199321%5%
Oct 3155°F31°F81°F 194412°F 199320%5%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sergeant Bluff, 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 7:23 AM, sunset 7:07 PM
October 31
sunrise 7:58 AM, sunset 6:20 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014943 (Sioux City Gateway AP), public domain. Records: NOAA GHCN-Daily, station USW00014943, 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.