Norco climate

Norco Weather in October

NOAA 1991-2020 normals for Chino AP, 9.4 km from Norco

Average highs run from 88°F on October 1 to 82°F on October 31, and lows from 57°F to 49°F. Normal precipitation for the month is 0.53 in over about 3 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 Norco, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
85°F
Average low
53°F
Precipitation
0.53 in
Record high
111°FOct 1, 2020
Record low
33°FOct 29, 2009
Chance of a freeze
0%
Days of 90°F or more
9.2
Daylight
11 h 49 min to 10 h 49 min
Cloud cover
24%
Humidity
45%
Dew point
38°F
Wind
5.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Oct 188°F57°F111°F 202046°F 20096%
Oct 288°F57°F109°F 202047°F 20096%
Oct 387°F57°F105°F 202046°F 20026%
Oct 487°F56°F104°F 201445°F 20026%
Oct 587°F56°F103°F 202043°F 20097%
Oct 687°F56°F102°F 202344°F 20077%
Oct 786°F56°F100°F 201744°F 20117%
Oct 886°F55°F101°F 200845°F 20077%
Oct 986°F55°F105°F 201544°F 20078%
Oct 1086°F55°F101°F 201542°F 20138%
Oct 1185°F55°F101°F 201544°F 20088%
Oct 1285°F54°F102°F 201139°F 20089%
Oct 1385°F54°F103°F 202041°F 20009%
Oct 1485°F54°F102°F 202041°F 20009%
Oct 1585°F54°F104°F 202043°F 20009%
Oct 1684°F53°F105°F 202043°F 200010%
Oct 1784°F53°F101°F 201243°F 200010%
Oct 1884°F53°F101°F 202339°F 199810%
Oct 1984°F53°F100°F 200341°F 199810%
Oct 2084°F52°F102°F 200342°F 199810%
Oct 2184°F52°F103°F 200343°F 201311%
Oct 2283°F52°F100°F 200344°F 199911%
Oct 2383°F52°F105°F 201745°F 200411%
Oct 2483°F51°F104°F 201743°F 200811%
Oct 2583°F51°F102°F 201743°F 201211%
Oct 2683°F51°F97°F 201745°F 199811%
Oct 2782°F50°F97°F 200840°F 200612%
Oct 2882°F50°F99°F 200838°F 201112%
Oct 2982°F50°F99°F 202533°F 200912%
Oct 3082°F50°F96°F 202539°F 200912%
Oct 3182°F49°F95°F 202034°F 201912%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Norco, in percent.02.557.51012.51102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PDT).

October 1
sunrise 6:45 AM, sunset 6:34 PM
October 31
sunrise 7:09 AM, sunset 5:58 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003179 (Chino AP), public domain. Records: NOAA GHCN-Daily, station USW00003179, 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.