Clearlake climate

Clearlake Weather in October

NOAA 1991-2020 normals for Clearlake 4 Se, 6.3 km from Clearlake

Average highs run from 81°F on October 1 to 70°F on October 31, and lows from 48°F to 39°F. Normal precipitation for the month is 0.91 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 Clearlake, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
75°F
Average low
43°F
Precipitation
0.91 in
Record high
106°FOct 1, 2024
Record low
27°FOct 30, 2019
Chance of a freeze
26%
Days of 90°F or more
2.0
Daylight
11 h 46 min to 10 h 34 min
Cloud cover
30%
Humidity
47%
Dew point
37°F
Wind
6.7 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 181°F48°F106°F 202437°F 20196%0%
Oct 281°F47°F104°F 202438°F 20196%0%
Oct 380°F47°F105°F 202038°F 20196%0%
Oct 480°F47°F97°F 201439°F 20177%0%
Oct 580°F46°F103°F 202438°F 20077%0%
Oct 679°F46°F105°F 202438°F 20078%0%
Oct 779°F46°F101°F 202437°F 20078%0%
Oct 879°F46°F95°F 201439°F 20078%0%
Oct 978°F45°F92°F 199940°F 20199%0%
Oct 1078°F45°F92°F 199940°F 20019%0%
Oct 1177°F45°F98°F 201034°F 201910%0%
Oct 1277°F45°F98°F 201438°F 200810%0%
Oct 1377°F44°F99°F 200435°F 201910%0%
Oct 1476°F44°F96°F 201038°F 201311%0%
Oct 1576°F44°F98°F 202036°F 200311%0%
Oct 1676°F43°F101°F 202036°F 201312%0%
Oct 1775°F43°F98°F 202037°F 202112%0%
Oct 1875°F43°F93°F 202335°F 199913%0%
Oct 1974°F42°F96°F 202337°F 201313%0%
Oct 2074°F42°F91°F 200337°F 201314%0%
Oct 2174°F42°F89°F 201937°F 201715%0%
Oct 2273°F41°F91°F 201938°F 200815%0%
Oct 2373°F41°F92°F 201939°F 199816%0%
Oct 2472°F41°F94°F 201937°F 199916%0%
Oct 2572°F41°F96°F 200337°F 201317%0%
Oct 2672°F40°F96°F 200335°F 201318%0%
Oct 2771°F40°F97°F 200332°F 202318%0%
Oct 2871°F40°F94°F 200333°F 202319%0%
Oct 2970°F39°F85°F 201430°F 201920%0%
Oct 3070°F39°F87°F 201527°F 201920%0%
Oct 3170°F39°F85°F 201530°F 200221%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clearlake, 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 7:07 AM, sunset 6:53 PM
October 31
sunrise 7:37 AM, sunset 6:11 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041806 (Clearlake 4 Se), public domain. Records: NOAA GHCN-Daily, station USW00023213, 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.