Bartlett climate

Bartlett Weather in October

NOAA 1991-2020 normals for Streamwood, 3.5 km from Bartlett

Average highs run from 72°F on October 1 to 58°F on October 31, and lows from 45°F to 35°F. Normal precipitation for the month is 3.51 in over about 10 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 Bartlett, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
65°F
Average low
40°F
Precipitation
3.51 in
Snowfall
0.1 in
Record high
91°FOct 5, 2005
Record low
20°FOct 11, 2009
Chance of a freeze
97%
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°F45°F87°F 200229°F 200331%0%
Oct 271°F44°F88°F 199624°F 200331%0%
Oct 371°F44°F86°F 200525°F 200331%0%
Oct 470°F44°F89°F 200532°F 199631%0%
Oct 570°F43°F91°F 200526°F 200431%0%
Oct 669°F43°F89°F 199727°F 200132%0%
Oct 769°F43°F88°F 200721°F 200132%0%
Oct 869°F42°F90°F 200722°F 200132%0%
Oct 968°F42°F88°F 200723°F 200032%0%
Oct 1068°F42°F91°F 201022°F 200932%1%
Oct 1167°F41°F88°F 201020°F 200932%1%
Oct 1267°F41°F87°F 201025°F 200633%1%
Oct 1366°F41°F87°F 200824°F 200933%1%
Oct 1466°F40°F84°F 199527°F 200633%1%
Oct 1565°F40°F79°F 200523°F 200633%1%
Oct 1665°F40°F80°F 199623°F 200634%1%
Oct 1764°F39°F80°F 199827°F 200334%1%
Oct 1864°F39°F79°F 199420°F 200934%1%
Oct 1964°F39°F79°F 200724°F 199634%1%
Oct 2063°F38°F80°F 200025°F 199634%1%
Oct 2163°F38°F86°F 200326°F 200234%1%
Oct 2262°F38°F81°F 200722°F 199734%1%
Oct 2362°F37°F74°F 199427°F 199835%2%
Oct 2461°F37°F77°F 200422°F 199935%2%
Oct 2561°F37°F73°F 201021°F 199935%2%
Oct 2660°F36°F80°F 200423°F 200635%2%
Oct 2760°F36°F78°F 200027°F 199735%2%
Oct 2859°F36°F72°F 200021°F 199735%2%
Oct 2959°F35°F81°F 199924°F 199735%3%
Oct 3058°F35°F80°F 199925°F 200835%3%
Oct 3158°F35°F79°F 199922°F 199635%3%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bartlett, 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 6:50 AM, sunset 6:34 PM
October 31
sunrise 7:24 AM, sunset 5:48 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00118324 (Streamwood), public domain. Records: NOAA GHCN-Daily, station USC00118324, 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.