Port Byron climate

Port Byron Weather in October

NOAA 1991-2020 normals for Le Claire L&d 14, 6.5 km from Port Byron

Average highs run from 71°F on October 1 to 56°F on October 31, and lows from 50°F to 38°F. Normal precipitation for the month is 2.60 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 Port Byron, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
64°F
Average low
44°F
Precipitation
2.60 in
Snowfall
0.3 in
Record high
93°FOct 3, 2006
Record low
20°FOct 27, 1997
Chance of a freeze
74%
Daylight
11 h 45 min to 10 h 25 min
Cloud cover
58%
Humidity
73%
Dew point
42°F
Wind
10.5 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°F50°F89°F 202325°F 200326%0%
Oct 270°F49°F88°F 202522°F 200327%0%
Oct 370°F49°F93°F 200632°F 199627%0%
Oct 470°F49°F89°F 200531°F 200427%0%
Oct 569°F48°F88°F 199727°F 200427%0%
Oct 669°F48°F88°F 200725°F 201227%0%
Oct 768°F47°F89°F 200725°F 200027%0%
Oct 868°F47°F86°F 199726°F 200027%0%
Oct 967°F47°F88°F 201023°F 200027%0%
Oct 1067°F46°F82°F 201024°F 200928%0%
Oct 1166°F46°F84°F 202426°F 200928%0%
Oct 1266°F45°F83°F 200827°F 200628%0%
Oct 1365°F45°F80°F 199627°F 200928%0%
Oct 1465°F45°F81°F 200525°F 200628%0%
Oct 1564°F44°F83°F 199929°F 202228%1%
Oct 1664°F44°F80°F 201624°F 202428%1%
Oct 1763°F43°F88°F 201624°F 200428%1%
Oct 1863°F43°F77°F 200524°F 202228%1%
Oct 1962°F43°F79°F 200021°F 202229%1%
Oct 2062°F42°F80°F 201722°F 200229%1%
Oct 2161°F42°F82°F 202422°F 201829%1%
Oct 2261°F41°F83°F 202222°F 199729%1%
Oct 2360°F41°F79°F 202227°F 199929%1%
Oct 2460°F41°F82°F 202322°F 199929%1%
Oct 2559°F40°F76°F 201122°F 201329%1%
Oct 2659°F40°F74°F 199826°F 200329%2%
Oct 2758°F39°F78°F 201420°F 199729%2%
Oct 2858°F39°F76°F 199922°F 200829%2%
Oct 2957°F39°F83°F 202421°F 201729%2%
Oct 3057°F38°F75°F 202426°F 202329%2%
Oct 3156°F38°F75°F 200021°F 201929%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Port Byron, 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 6:58 AM, sunset 6:43 PM
October 31
sunrise 7:32 AM, sunset 5:57 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00134705 (Le Claire L&d 14), public domain. Records: NOAA GHCN-Daily, station USW00094982, 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.