Darien climate

Darien Weather in October

NOAA 1991-2020 normals for Wheaton 3 Se, 10.6 km from Darien

Average highs run from 72°F on October 1 to 58°F on October 31, and lows from 48°F to 38°F. Normal precipitation for the month is 3.56 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 Darien, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
65°F
Average low
43°F
Precipitation
3.56 in
Record high
90°FOct 3, 2025
Record low
26°FOct 31, 2019
Chance of a freeze
84%
Daylight
11 h 44 min to 10 h 24 min
Cloud cover
65%
Humidity
76%
Dew point
43°F
Wind
11.0 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 172°F48°F88°F 201936°F 200328%0%
Oct 271°F47°F85°F 202332°F 200328%0%
Oct 371°F47°F90°F 202539°F 200428%0%
Oct 471°F47°F89°F 202537°F 201428%0%
Oct 570°F46°F88°F 199736°F 202028%0%
Oct 670°F46°F88°F 200735°F 201228%0%
Oct 769°F46°F88°F 200732°F 200028%0%
Oct 869°F45°F88°F 200734°F 200028%0%
Oct 968°F45°F87°F 201033°F 200028%0%
Oct 1068°F45°F84°F 201033°F 200928%0%
Oct 1168°F44°F84°F 202429°F 200929%0%
Oct 1267°F44°F86°F 200832°F 200629%0%
Oct 1367°F44°F79°F 200034°F 200629%0%
Oct 1466°F44°F78°F 202035°F 200229%0%
Oct 1566°F43°F80°F 199933°F 200629%0%
Oct 1665°F43°F80°F 199834°F 201829%0%
Oct 1765°F43°F85°F 201631°F 200429%0%
Oct 1864°F42°F79°F 200733°F 200929%0%
Oct 1964°F42°F76°F 200035°F 202229%
Oct 2064°F42°F85°F 200332°F 201829%
Oct 2163°F42°F82°F 202428°F 201829%
Oct 2263°F41°F82°F 202231°F 201330%
Oct 2362°F41°F81°F 202232°F 201330%
Oct 2462°F41°F82°F 202330°F 199930%
Oct 2561°F40°F77°F 201229°F 201330%
Oct 2661°F40°F77°F 200034°F 199730%
Oct 2760°F40°F79°F 201429°F 199731%
Oct 2860°F39°F81°F 199928°F 199731%
Oct 2959°F39°F83°F 202433°F 200831%
Oct 3059°F38°F81°F 202430°F 202031%
Oct 3158°F38°F72°F 200026°F 201931%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Darien, 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 6:49 AM, sunset 6:33 PM
October 31
sunrise 7:23 AM, sunset 5:47 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00119221 (Wheaton 3 Se), public domain. Records: NOAA GHCN-Daily, station USW00014819, 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.