Frontenac climate

Frontenac Weather in October

NOAA 1991-2020 normals for St Charles 7 Ssw, 10.9 km from Frontenac

Average highs run from 76°F on October 1 to 63°F on October 31, and lows from 52°F to 41°F. Normal precipitation for the month is 3.20 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 Frontenac, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
70°F
Average low
46°F
Precipitation
3.20 in
Record high
94°FOct 1, 2019
Record low
22°FOct 26, 1942
Chance of a freeze
61%
Daylight
11 h 46 min to 10 h 36 min
Cloud cover
52%
Humidity
71%
Dew point
46°F
Wind
6.0 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°F52°F94°F 201936°F 193923%0%
Oct 275°F52°F94°F 195332°F 197423%0%
Oct 375°F51°F94°F 200631°F 197423%0%
Oct 474°F51°F92°F 195137°F 196824%0%
Oct 574°F51°F92°F 193836°F 196424%0%
Oct 674°F50°F90°F 194431°F 195224%0%
Oct 773°F50°F92°F 193929°F 195225%0%
Oct 873°F49°F92°F 193930°F 200025%0%
Oct 973°F49°F89°F 193830°F 200025%0%
Oct 1072°F49°F92°F 196329°F 196426%0%
Oct 1172°F48°F94°F 196330°F 196426%0%
Oct 1271°F48°F88°F 194731°F 198726%0%
Oct 1371°F47°F89°F 198933°F 197726%0%
Oct 1470°F47°F89°F 194732°F 197926%0%
Oct 1570°F47°F89°F 193834°F 197227%0%
Oct 1670°F46°F89°F 195032°F 194327%
Oct 1769°F46°F91°F 201629°F 194327%
Oct 1869°F46°F87°F 195327°F 197627%
Oct 1968°F45°F87°F 195325°F 197227%
Oct 2068°F45°F88°F 194728°F 197227%
Oct 2168°F45°F88°F 194728°F 195227%
Oct 2267°F44°F86°F 194025°F 197628%
Oct 2367°F44°F86°F 193928°F 198128%
Oct 2466°F43°F85°F 194025°F 198128%
Oct 2566°F43°F87°F 194029°F 196828%
Oct 2665°F43°F86°F 194022°F 194228%
Oct 2765°F42°F85°F 195028°F 195728%
Oct 2864°F42°F84°F 195023°F 197628%
Oct 2964°F42°F86°F 201624°F 195228%
Oct 3064°F41°F90°F 195027°F 198028%
Oct 3163°F41°F88°F 196829°F 193928%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Frontenac, 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 6:44 PM
October 31
sunrise 7:27 AM, sunset 6:03 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00237398 (St Charles 7 Ssw), public domain. Records: NOAA GHCN-Daily, station USW00013994, 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.