O'Brien climate

O'Brien Weather in October

NOAA 1991-2020 normals for Cave Junction 1 Wnw, 11.5 km from O'Brien

Average highs run from 81°F on October 1 to 63°F on October 31, and lows from 41°F to 37°F. Normal precipitation for the month is 3.49 in over about 7 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 O'Brien, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
72°F
Average low
39°F
Precipitation
3.49 in
Record high
97°FOct 8, 2002
Record low
36°FOct 31, 2006
Chance of a freeze
84%
Days of 90°F or more
1.7
Daylight
11 h 44 min to 10 h 23 min
Cloud cover
50%
Humidity
68%
Dew point
40°F
Wind
4.7 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°F41°F74°F 201242°F 200916%0%
Oct 281°F41°F77°F 201243°F 200216%0%
Oct 380°F41°F76°F 201444°F 200216%0%
Oct 480°F41°F77°F 201439°F 200917%0%
Oct 579°F41°F80°F 200439°F 200717%0%
Oct 678°F40°F83°F 200239°F 200718%0%
Oct 778°F40°F94°F 200243°F 200518%0%
Oct 877°F40°F97°F 200242°F 200619%0%
Oct 977°F40°F93°F 200241°F 200820%0%
Oct 1076°F40°F81°F 200642°F 200820%0%
Oct 1175°F39°F78°F 200637°F 200821%0%
Oct 1275°F39°F77°F 200238°F 200821%0%
Oct 1374°F39°F91°F 200439°F 200822%0%
Oct 1473°F39°F88°F 201843°F 200323%0%
Oct 1573°F39°F83°F 201839°F 200223%0%
Oct 1672°F39°F84°F 202041°F 200824%0%
Oct 1771°F38°F85°F 202042°F 200225%0%
Oct 1871°F38°F78°F 200341°F 200625%0%
Oct 1970°F38°F72°F 201241°F 200626%0%
Oct 2069°F38°F72°F 200643°F 200427%0%
Oct 2169°F38°F80°F 200741°F 200728%0%
Oct 2268°F38°F75°F 200240°F 202029%0%
Oct 2367°F38°F71°F 200641°F 201230%0%
Oct 2467°F38°F81°F 201939°F 200431%0%
Oct 2566°F38°F82°F 201941°F 200432%0%
Oct 2666°F37°F93°F 200342°F 200632%0%
Oct 2765°F37°F80°F 200339°F 200433%0%
Oct 2864°F37°F82°F 200339°F 200434%0%
Oct 2964°F37°F80°F 200339°F 200635%0%
Oct 3063°F37°F75°F 200939°F 200236%0%
Oct 3163°F37°F70°F 200536°F 200637%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at O'Brien, 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 (PDT).

October 1
sunrise 7:12 AM, sunset 6:56 PM
October 31
sunrise 7:47 AM, sunset 6:10 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00351448 (Cave Junction 1 Wnw), public domain. Records: NOAA GHCN-Daily, station USC00351058, 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.