Jefferson County climate

Jefferson County Weather in October

NOAA 1991-2020 normals for Elwha RS, 26.7 km from Jefferson County

Average highs run from 62°F on October 1 to 50°F on October 31, and lows from 45°F to 39°F. Normal precipitation for the month is 5.85 in over about 15 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 Jefferson County, in °F, with the record for each date.20406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
56°F
Average low
42°F
Precipitation
5.85 in
Record high
78°FOct 9, 2022
Record low
22°FOct 31, 2002
Chance of a freeze
41%
Daylight
11 h 39 min to 10 h 00 min
Cloud cover
69%
Humidity
87%
Dew point
42°F
Wind
4.9 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 162°F45°F74°F 202234°F 199936%0%
Oct 262°F45°F77°F 202237°F 199937%0%
Oct 361°F44°F70°F 202236°F 199937%0%
Oct 461°F44°F70°F 200136°F 200038%0%
Oct 560°F44°F71°F 201436°F 200139%0%
Oct 660°F44°F74°F 202235°F 201940%0%
Oct 759°F43°F73°F 201236°F 200041%0%
Oct 859°F43°F76°F 202237°F 200941%0%
Oct 959°F43°F78°F 202229°F 201942%0%
Oct 1058°F43°F70°F 202228°F 201943%0%
Oct 1158°F43°F66°F 202229°F 201944%0%
Oct 1257°F42°F70°F 202429°F 200945%0%
Oct 1357°F42°F73°F 202233°F 200245%0%
Oct 1456°F42°F74°F 202233°F 200846%0%
Oct 1556°F42°F71°F 202231°F 200847%0%
Oct 1655°F41°F75°F 202233°F 201147%0%
Oct 1755°F41°F67°F 200232°F 201048%0%
Oct 1854°F41°F68°F 202234°F 200849%0%
Oct 1954°F41°F69°F 201431°F 200850%0%
Oct 2054°F41°F65°F 199935°F 199850%0%
Oct 2153°F40°F68°F 202133°F 201251%0%
Oct 2253°F40°F65°F 200334°F 200852%0%
Oct 2352°F40°F61°F 200734°F 200652%0%
Oct 2452°F40°F61°F 201734°F 200253%0%
Oct 2552°F40°F61°F 201627°F 202053%0%
Oct 2651°F39°F63°F 202432°F 200854%0%
Oct 2751°F39°F68°F 202229°F 202354%0%
Oct 2851°F39°F65°F 201729°F 201955%0%
Oct 2950°F39°F66°F 201727°F 201955%0%
Oct 3050°F39°F65°F 201525°F 200656%0%
Oct 3150°F39°F60°F 201522°F 200256%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jefferson County, in percent, and of at least 0.1 inch of snowfall.02040601102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

October 1
sunrise 7:14 AM, sunset 6:53 PM
October 31
sunrise 7:58 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 USC00452548 (Elwha RS), public domain. Records: NOAA GHCN-Daily, station USW00094266, 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.