Spokane County climate

Spokane County Weather in August

NOAA 1991-2020 normals for Spokane Intl AP, 9.3 km from Spokane County

Average highs run from 87°F on August 1 to 79°F on August 31, and lows from 60°F to 53°F. Normal precipitation for the month is 0.47 in over about 3 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 Spokane County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
57°F
Precipitation
0.47 in
Record high
107°FAug 10, 2018
Record low
40°FAug 28, 2000
Chance of a freeze
0%
Days of 90°F or more
8.3
Daylight
14 h 57 min to 13 h 25 min
Cloud cover
40%
Humidity
50%
Dew point
47°F
Wind
6.7 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
Aug 187°F60°F102°F 200946°F 200210%0%
Aug 287°F59°F105°F 202450°F 200610%0%
Aug 387°F59°F98°F 202144°F 200210%0%
Aug 487°F59°F99°F 201448°F 202610%0%
Aug 587°F59°F98°F 200548°F 200210%0%
Aug 687°F59°F98°F 200849°F 200210%0%
Aug 786°F59°F99°F 201943°F 200210%0%
Aug 886°F59°F99°F 201848°F 200210%0%
Aug 986°F59°F106°F 201852°F 202110%0%
Aug 1086°F58°F107°F 201851°F 202010%0%
Aug 1186°F58°F100°F 201448°F 200710%0%
Aug 1285°F58°F101°F 200146°F 200010%0%
Aug 1385°F58°F103°F 201547°F 200510%0%
Aug 1485°F57°F100°F 200447°F 202010%0%
Aug 1584°F57°F105°F 202347°F 200910%0%
Aug 1684°F57°F104°F 202048°F 200011%0%
Aug 1784°F57°F104°F 200843°F 200211%0%
Aug 1884°F56°F102°F 202249°F 200211%0%
Aug 1983°F56°F97°F 201247°F 200211%0%
Aug 2083°F56°F98°F 200945°F 200011%0%
Aug 2183°F56°F100°F 200646°F 200011%0%
Aug 2282°F55°F95°F 202546°F 200011%0%
Aug 2382°F55°F98°F 202546°F 201511%0%
Aug 2482°F55°F100°F 202546°F 200512%0%
Aug 2581°F55°F101°F 202544°F 201212%0%
Aug 2681°F54°F95°F 201546°F 200112%0%
Aug 2781°F54°F96°F 202345°F 200712%0%
Aug 2880°F54°F99°F 200940°F 200012%0%
Aug 2980°F54°F100°F 201742°F 201012%0%
Aug 3080°F53°F95°F 202545°F 201013%0%
Aug 3179°F53°F103°F 202241°F 200613%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Spokane County, in percent, and of at least 0.1 inch of snowfall.0510151102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 5:27 AM, sunset 8:24 PM
August 31
sunrise 6:07 AM, sunset 7:32 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024157 (Spokane Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00094176, 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.