Sandy climate

Sandy Weather in August

NOAA 1991-2020 normals for Headworks Portland Wtr B, 10.1 km from Sandy

Average highs run from 79°F on August 1 to 76°F on August 31, and lows from 55°F to 53°F. Normal precipitation for the month is 1.20 in over about 5 wet days.

August day by day

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

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

August at a glance

Average high
78°F
Average low
54°F
Precipitation
1.20 in
Record high
110°FAug 14, 2023
Record low
44°FAug 28, 2000
Chance of a freeze
0%
Days of 90°F or more
3.5
Daylight
14 h 43 min to 13 h 18 min
Cloud cover
44%
Humidity
66%
Dew point
52°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
Aug 179°F55°F100°F 202449°F 200214%0%
Aug 279°F55°F105°F 201748°F 200214%0%
Aug 379°F55°F104°F 201748°F 200214%0%
Aug 479°F55°F97°F 201250°F 200314%0%
Aug 579°F55°F96°F 200849°F 200215%0%
Aug 679°F55°F96°F 202652°F 200215%0%
Aug 779°F55°F100°F 202248°F 200215%0%
Aug 879°F55°F97°F 202449°F 200215%0%
Aug 979°F55°F100°F 200152°F 201415%0%
Aug 1078°F55°F100°F 202551°F 200715%0%
Aug 1178°F55°F104°F 202146°F 200715%0%
Aug 1278°F55°F103°F 202148°F 200015%0%
Aug 1378°F55°F106°F 200248°F 202016%0%
Aug 1478°F55°F110°F 202350°F 201716%0%
Aug 1578°F54°F102°F 200850°F 201716%0%
Aug 1678°F54°F105°F 202347°F 200016%0%
Aug 1778°F54°F98°F 201249°F 199816%0%
Aug 1878°F54°F101°F 201649°F 199817%0%
Aug 1977°F54°F97°F 201548°F 202317%0%
Aug 2077°F54°F101°F 201646°F 200017%0%
Aug 2177°F54°F93°F 201748°F 201018%0%
Aug 2277°F54°F100°F 202549°F 200818%0%
Aug 2377°F54°F102°F 202546°F 201019%0%
Aug 2477°F54°F95°F 202545°F 201219%0%
Aug 2577°F54°F96°F 201645°F 201219%0%
Aug 2677°F54°F97°F 201647°F 200920%0%
Aug 2776°F53°F96°F 201947°F 200020%0%
Aug 2876°F53°F99°F 201744°F 200021%0%
Aug 2976°F53°F96°F 202250°F 200021%0%
Aug 3076°F53°F100°F 202250°F 200622%0%
Aug 3176°F53°F99°F 202444°F 200622%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sandy, 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).

August 1
sunrise 5:54 AM, sunset 8:37 PM
August 31
sunrise 6:30 AM, sunset 7:48 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00353770 (Headworks Portland Wtr B), public domain. Records: NOAA GHCN-Daily, station USW00024242, 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.