Placer County climate

Placer County Weather in October

NOAA 1991-2020 normals for Colfax, 20.1 km from Placer County

Average highs run from 82°F on October 1 to 68°F on October 31, and lows from 53°F to 45°F. Normal precipitation for the month is 2.11 in over about 4 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 Placer County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
75°F
Average low
49°F
Precipitation
2.11 in
Record high
88°FOct 2, 1980
Record low
17°FOct 28, 1971
Chance of a freeze
8%
Days of 90°F or more
2.5
Daylight
11 h 46 min to 10 h 34 min
Cloud cover
36%
Humidity
46%
Dew point
30°F
Wind
5.4 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 182°F53°F87°F 198029°F 19718%0%
Oct 281°F53°F88°F 198033°F 19468%0%
Oct 381°F53°F87°F 198033°F 19679%0%
Oct 480°F52°F84°F 198031°F 20079%0%
Oct 580°F52°F85°F 198731°F 20079%0%
Oct 680°F52°F84°F 196531°F 200710%0%
Oct 779°F52°F85°F 196526°F 194910%0%
Oct 879°F51°F83°F 199629°F 194910%0%
Oct 978°F51°F79°F 197129°F 198511%0%
Oct 1078°F51°F79°F 195030°F 194911%0%
Oct 1177°F50°F78°F 195029°F 198111%0%
Oct 1277°F50°F82°F 197827°F 198112%0%
Oct 1376°F50°F82°F 197829°F 198112%0%
Oct 1476°F49°F81°F 202031°F 196213%0%
Oct 1576°F49°F83°F 202026°F 197113%0%
Oct 1675°F49°F81°F 202025°F 197113%0%
Oct 1775°F48°F80°F 198824°F 197114%0%
Oct 1874°F48°F80°F 197425°F 194914%0%
Oct 1974°F48°F80°F 202322°F 194915%0%
Oct 2073°F48°F79°F 198829°F 194915%0%
Oct 2173°F47°F76°F 200328°F 197916%0%
Oct 2272°F47°F78°F 195929°F 194516%0%
Oct 2372°F47°F83°F 195925°F 195617%0%
Oct 2471°F46°F81°F 201722°F 195618%0%
Oct 2571°F46°F77°F 195929°F 195118%0%
Oct 2671°F46°F80°F 200329°F 197019%0%
Oct 2770°F46°F80°F 200322°F 197119%0%
Oct 2870°F45°F80°F 200317°F 197120%0%
Oct 2969°F45°F74°F 196220°F 197120%0%
Oct 3069°F45°F76°F 196725°F 197221%0%
Oct 3168°F45°F77°F 196622°F 195622%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Placer County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

October 1
sunrise 6:59 AM, sunset 6:45 PM
October 31
sunrise 7:29 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 USC00041912 (Colfax), public domain. Records: NOAA GHCN-Daily, station USW00023225, 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.