Spokane Valley climate

Spokane Valley Weather in August

NOAA 1991-2020 normals for Spokane Felts Fld, 6.3 km from Spokane Valley

Average highs run from 90°F on August 1 to 82°F on August 31, and lows from 57°F to 51°F. Normal precipitation for the month is 0.54 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 Valley, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
86°F
Average low
55°F
Precipitation
0.54 in
Record high
107°FAug 10, 2018
Record low
40°FAug 28, 2000
Chance of a freeze
0%
Days of 90°F or more
10.8
Daylight
14 h 57 min to 13 h 25 min
Cloud cover
40%
Humidity
49%
Dew point
46°F
Wind
5.4 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 190°F57°F102°F 200946°F 20028%0%
Aug 290°F57°F105°F 202450°F 20068%0%
Aug 389°F57°F98°F 202144°F 20028%0%
Aug 489°F57°F99°F 201448°F 20268%0%
Aug 589°F57°F98°F 200548°F 20029%0%
Aug 689°F57°F98°F 200849°F 20029%0%
Aug 789°F57°F99°F 201943°F 20029%0%
Aug 889°F57°F99°F 201848°F 20029%0%
Aug 988°F56°F106°F 201852°F 20219%0%
Aug 1088°F56°F107°F 201851°F 20209%0%
Aug 1188°F56°F100°F 201448°F 20079%0%
Aug 1288°F56°F101°F 200146°F 200010%0%
Aug 1387°F56°F103°F 201547°F 200510%0%
Aug 1487°F55°F100°F 200447°F 202010%0%
Aug 1587°F55°F105°F 202347°F 200910%0%
Aug 1686°F55°F104°F 202048°F 200010%0%
Aug 1786°F55°F104°F 200843°F 200211%0%
Aug 1886°F54°F102°F 202249°F 200211%0%
Aug 1986°F54°F97°F 201247°F 200211%0%
Aug 2085°F54°F98°F 200945°F 200011%0%
Aug 2185°F53°F100°F 200646°F 200012%0%
Aug 2285°F53°F95°F 202546°F 200012%0%
Aug 2384°F53°F98°F 202546°F 201512%0%
Aug 2484°F53°F100°F 202546°F 200512%0%
Aug 2584°F52°F101°F 202544°F 201213%0%
Aug 2683°F52°F95°F 201546°F 200113%0%
Aug 2783°F52°F96°F 202345°F 200713%0%
Aug 2883°F52°F99°F 200940°F 200013%0%
Aug 2982°F51°F100°F 201742°F 201014%0%
Aug 3082°F51°F95°F 202545°F 201014%0%
Aug 3182°F51°F103°F 202241°F 200614%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Spokane Valley, 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 5:26 AM, sunset 8:23 PM
August 31
sunrise 6:06 AM, sunset 7:31 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094176 (Spokane Felts Fld), 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.