Glendale climate

Glendale Weather in August

NOAA 1991-2020 normals for St Louis Sci Ctr, 10 km from Glendale

Average highs run from 90°F on August 1 to 86°F on August 31, and lows from 72°F to 67°F. Normal precipitation for the month is 3.75 in.

August day by day

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

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

August at a glance

Average high
89°F
Average low
70°F
Precipitation
3.75 in
Record high
107°FAug 29, 1984
Record low
47°FAug 29, 1965
Chance of a freeze
0%
Days of 90°F or more
13.1
Daylight
14 h 09 min to 13 h 03 min
Cloud cover
48%
Humidity
69%
Dew point
65°F
Wind
4.5 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°F72°F104°F 198057°F 19620%
Aug 290°F72°F103°F 198758°F 19730%
Aug 390°F72°F104°F 196454°F 19500%
Aug 490°F71°F102°F 194755°F 19740%
Aug 589°F71°F102°F 194756°F 19480%
Aug 689°F71°F104°F 194755°F 19480%
Aug 789°F71°F100°F 198055°F 19720%
Aug 889°F71°F102°F 198053°F 19760%
Aug 989°F71°F105°F 198055°F 19720%
Aug 1089°F71°F101°F 194154°F 19720%
Aug 1189°F71°F102°F 194156°F 19670%
Aug 1289°F71°F102°F 200751°F 19670%
Aug 1389°F71°F100°F 201050°F 19640%
Aug 1489°F71°F103°F 200756°F 19670%
Aug 1589°F70°F105°F 200751°F 19920%
Aug 1689°F70°F102°F 198856°F 19640%
Aug 1789°F70°F103°F 198858°F 19430%
Aug 1889°F70°F103°F 195454°F 19630%
Aug 1989°F70°F105°F 196255°F 19530%
Aug 2088°F70°F104°F 196252°F 19500%
Aug 2188°F69°F104°F 200350°F 19400%
Aug 2288°F69°F100°F 193855°F 19500%
Aug 2388°F69°F102°F 193854°F 19660%
Aug 2488°F69°F103°F 194751°F 19420%
Aug 2588°F69°F104°F 202352°F 19580%
Aug 2687°F68°F101°F 194355°F 19450%
Aug 2787°F68°F102°F 202451°F 19680%
Aug 2887°F68°F101°F 199048°F 19860%
Aug 2987°F68°F107°F 198447°F 19650%
Aug 3087°F67°F102°F 201351°F 19460%
Aug 3186°F67°F103°F 201149°F 19670%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Glendale, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:03 AM, sunset 8:12 PM
August 31
sunrise 6:30 AM, sunset 7:33 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00237452 (St Louis Sci Ctr), public domain. Records: NOAA GHCN-Daily, station USW00013994, 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.