Portland climate

Portland Weather in July

NOAA 1991-2020 normals for Portland Kgw-TV, 1.2 km from Portland

Average highs run from 77°F on July 1 to 82°F on July 31, and lows from 56°F to 59°F. Normal precipitation for the month is 0.43 in over about 3 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Portland, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
80°F
Average low
58°F
Precipitation
0.43 in
Record high
107°FJul 30, 1965
Record low
43°FJul 2, 1955
Chance of a freeze
0%
Days of 90°F or more
3.8
Daylight
15 h 37 min to 14 h 46 min
Cloud cover
43%
Humidity
72%
Dew point
54°F
Wind
4.3 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
Jul 177°F56°F105°F 194248°F 196319%0%
Jul 277°F56°F102°F 194243°F 195518%0%
Jul 377°F56°F99°F 197045°F 195417%0%
Jul 478°F56°F97°F 197248°F 197717%0%
Jul 578°F56°F99°F 202448°F 201016%0%
Jul 678°F57°F99°F 202446°F 197715%0%
Jul 779°F57°F100°F 202446°F 197115%0%
Jul 879°F57°F102°F 202445°F 198114%0%
Jul 979°F57°F104°F 202447°F 196014%0%
Jul 1079°F57°F102°F 200748°F 196013%0%
Jul 1180°F57°F104°F 196148°F 195013%0%
Jul 1280°F58°F102°F 196147°F 194312%0%
Jul 1380°F58°F101°F 194148°F 196812%0%
Jul 1480°F58°F103°F 194151°F 193912%0%
Jul 1581°F58°F103°F 194148°F 194311%0%
Jul 1681°F58°F104°F 197949°F 194611%0%
Jul 1781°F58°F102°F 197949°F 195511%0%
Jul 1881°F58°F104°F 194447°F 198610%0%
Jul 1981°F59°F102°F 195648°F 196210%0%
Jul 2082°F59°F103°F 199449°F 195010%0%
Jul 2182°F59°F104°F 200650°F 198410%0%
Jul 2282°F59°F98°F 197849°F 19549%0%
Jul 2382°F59°F103°F 200446°F 19639%0%
Jul 2482°F59°F100°F 198450°F 19649%0%
Jul 2582°F59°F100°F 198849°F 19639%0%
Jul 2682°F59°F102°F 202248°F 19519%0%
Jul 2782°F59°F103°F 200947°F 19598%0%
Jul 2882°F59°F106°F 200950°F 19638%0%
Jul 2982°F59°F106°F 200950°F 19418%0%
Jul 3082°F59°F107°F 196547°F 19458%0%
Jul 3182°F59°F102°F 196548°F 19538%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Portland, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

July 1
sunrise 5:26 AM, sunset 9:03 PM
July 31
sunrise 5:54 AM, sunset 8:40 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00356749 (Portland Kgw-TV), public domain. Records: NOAA GHCN-Daily, station USW00024229, 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.