Bethany climate

Bethany Weather in October

NOAA 1991-2020 normals for Portland-Hillsboro AP, 6.6 km from Bethany

Average highs run from 71°F on October 1 to 58°F on October 31, and lows from 44°F to 38°F. Normal precipitation for the month is 3.37 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 Bethany, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
64°F
Average low
41°F
Precipitation
3.37 in
Record high
89°FOct 8, 2022
Record low
20°FOct 31, 2002
Chance of a freeze
63%
Daylight
11 h 41 min to 10 h 09 min
Cloud cover
63%
Humidity
84%
Dew point
46°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 171°F44°F86°F 201232°F 201936%0%
Oct 270°F44°F88°F 202233°F 200237%0%
Oct 370°F44°F82°F 202233°F 199938%0%
Oct 469°F43°F85°F 201433°F 199939%0%
Oct 569°F43°F85°F 201433°F 200939%0%
Oct 668°F43°F87°F 201432°F 200940%0%
Oct 768°F43°F85°F 202334°F 202141%0%
Oct 867°F42°F89°F 202233°F 201242%0%
Oct 967°F42°F87°F 202230°F 201942%0%
Oct 1066°F42°F79°F 202228°F 201943%0%
Oct 1166°F42°F76°F 200629°F 200944%0%
Oct 1265°F42°F81°F 202230°F 202144%0%
Oct 1365°F41°F87°F 202230°F 200245%0%
Oct 1464°F41°F84°F 202231°F 199946%0%
Oct 1564°F41°F86°F 202228°F 199946%0%
Oct 1664°F41°F86°F 202229°F 199947%0%
Oct 1763°F41°F77°F 201831°F 201048%0%
Oct 1863°F40°F74°F 201131°F 201048%0%
Oct 1962°F40°F77°F 202231°F 200849%0%
Oct 2062°F40°F75°F 200331°F 200150%0%
Oct 2161°F40°F80°F 200333°F 199951%0%
Oct 2261°F40°F78°F 201330°F 200851%0%
Oct 2361°F39°F73°F 201330°F 202052%0%
Oct 2460°F39°F73°F 201730°F 200253%0%
Oct 2560°F39°F68°F 200325°F 202054%0%
Oct 2659°F39°F74°F 200324°F 202054%0%
Oct 2759°F39°F74°F 201728°F 202055%0%
Oct 2859°F39°F71°F 200327°F 201956%0%
Oct 2958°F39°F66°F 201228°F 200656%0%
Oct 3058°F39°F63°F 201123°F 201957%0%
Oct 3158°F38°F63°F 201520°F 200257%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bethany, 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 7:10 AM, sunset 6:51 PM
October 31
sunrise 7:50 AM, sunset 5:59 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094261 (Portland-Hillsboro AP), public domain. Records: NOAA GHCN-Daily, station USW00094261, 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.