Norwalk Weather in October
Average highs run from 83°F on October 1 to 78°F on October 31, and lows from 62°F to 55°F. Normal precipitation for the month is 0.50 in over about 3 wet days.
October day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 80°F
- Average low
- 58°F
- Precipitation
- 0.50 in
- Record high
- 107°FOct 23, 2017
- Record low
- 45°FOct 29, 2009
- Chance of a freeze
- 0%
- Days of 90°F or more
- 5.6
- Daylight
- 11 h 49 min to 10 h 49 min
- Cloud cover
- 24%
- Humidity
- 52%
- Dew point
- 44°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Oct 1 | 83°F | 62°F | 105°F 2012 | 55°F 2009 | 6% |
| Oct 2 | 82°F | 62°F | 102°F 2014 | 52°F 2002 | 6% |
| Oct 3 | 82°F | 61°F | 103°F 2014 | 52°F 2002 | 6% |
| Oct 4 | 82°F | 61°F | 99°F 2014 | 52°F 2002 | 6% |
| Oct 5 | 82°F | 61°F | 96°F 2020 | 53°F 1998 | 7% |
| Oct 6 | 82°F | 61°F | 97°F 2005 | 51°F 2011 | 7% |
| Oct 7 | 82°F | 61°F | 100°F 2008 | 53°F 2011 | 7% |
| Oct 8 | 81°F | 60°F | 97°F 1999 | 53°F 2007 | 7% |
| Oct 9 | 81°F | 60°F | 105°F 2015 | 52°F 1998 | 8% |
| Oct 10 | 81°F | 60°F | 103°F 2015 | 50°F 2013 | 8% |
| Oct 11 | 81°F | 60°F | 100°F 2015 | 51°F 2008 | 8% |
| Oct 12 | 81°F | 59°F | 105°F 2011 | 46°F 2008 | 9% |
| Oct 13 | 81°F | 59°F | 99°F 2011 | 48°F 2021 | 9% |
| Oct 14 | 81°F | 59°F | 99°F 2012 | 49°F 2021 | 9% |
| Oct 15 | 80°F | 59°F | 99°F 2017 | 53°F 2021 | 9% |
| Oct 16 | 80°F | 58°F | 100°F 2017 | 49°F 2018 | 10% |
| Oct 17 | 80°F | 58°F | 99°F 2012 | 53°F 2021 | 10% |
| Oct 18 | 80°F | 58°F | 94°F 2022 | 50°F 1998 | 10% |
| Oct 19 | 80°F | 58°F | 98°F 2022 | 51°F 1999 | 10% |
| Oct 20 | 80°F | 57°F | 100°F 2016 | 51°F 2021 | 10% |
| Oct 21 | 80°F | 57°F | 98°F 2003 | 51°F 2004 | 10% |
| Oct 22 | 80°F | 57°F | 99°F 2008 | 53°F 2004 | 11% |
| Oct 23 | 79°F | 57°F | 107°F 2017 | 51°F 2004 | 11% |
| Oct 24 | 79°F | 56°F | 106°F 2017 | 53°F 2022 | 11% |
| Oct 25 | 79°F | 56°F | 102°F 2017 | 52°F 2008 | 11% |
| Oct 26 | 79°F | 56°F | 94°F 2017 | 51°F 2008 | 11% |
| Oct 27 | 79°F | 56°F | 95°F 2003 | 48°F 2020 | 11% |
| Oct 28 | 79°F | 55°F | 94°F 2008 | 48°F 2011 | 12% |
| Oct 29 | 79°F | 55°F | 94°F 2025 | 45°F 2009 | 12% |
| Oct 30 | 78°F | 55°F | 93°F 1999 | 48°F 2004 | 12% |
| Oct 31 | 78°F | 55°F | 90°F 1999 | 48°F 2000 | 12% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- October 1
- sunrise 6:47 AM, sunset 6:36 PM
- October 31
- sunrise 7:11 AM, sunset 6:00 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003166 (Fullerton Muni AP), public domain. Records: NOAA GHCN-Daily, station USW00003166, 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.