Clark County climate

Clark County Weather in August

NOAA 1991-2020 normals for Casey, 16.6 km from Clark County

Average highs run from 88°F on August 1 to 84°F on August 31, and lows from 66°F to 60°F. Normal precipitation for the month is 3.03 in over about 7 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 Clark County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
86°F
Average low
64°F
Precipitation
3.03 in
Record high
108°FAug 8, 1930
Record low
41°FAug 30, 1946
Chance of a freeze
0%
Days of 90°F or more
6.5
Daylight
14 h 12 min to 13 h 04 min
Cloud cover
48%
Humidity
71%
Dew point
64°F
Wind
7.4 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 188°F66°F104°F 195352°F 189524%0%
Aug 288°F66°F104°F 195352°F 192024%0%
Aug 388°F66°F104°F 194749°F 195024%0%
Aug 488°F66°F104°F 194747°F 189424%0%
Aug 588°F66°F106°F 194748°F 189423%0%
Aug 688°F66°F106°F 193047°F 195723%0%
Aug 788°F66°F105°F 193044°F 199723%0%
Aug 888°F66°F108°F 193046°F 199723%0%
Aug 987°F66°F107°F 198848°F 199923%0%
Aug 1087°F66°F103°F 198850°F 190123%0%
Aug 1187°F65°F105°F 198846°F 190123%0%
Aug 1287°F65°F100°F 194045°F 200423%0%
Aug 1387°F65°F104°F 194346°F 196423%0%
Aug 1487°F65°F99°F 190945°F 192422%0%
Aug 1587°F65°F104°F 198846°F 200422%0%
Aug 1686°F64°F106°F 198846°F 200422%0%
Aug 1786°F64°F107°F 198850°F 192922%0%
Aug 1886°F64°F107°F 198848°F 196322%0%
Aug 1986°F64°F106°F 193645°F 194322%0%
Aug 2086°F63°F102°F 193649°F 194122%0%
Aug 2186°F63°F104°F 193644°F 195022%0%
Aug 2286°F63°F104°F 193643°F 195621%0%
Aug 2385°F63°F101°F 194345°F 192321%0%
Aug 2485°F62°F107°F 194348°F 192721%0%
Aug 2585°F62°F100°F 195442°F 198821%0%
Aug 2685°F62°F105°F 194343°F 194521%0%
Aug 2785°F62°F102°F 195347°F 189621%0%
Aug 2885°F61°F104°F 193647°F 196821%0%
Aug 2984°F61°F103°F 195344°F 196521%0%
Aug 3084°F61°F102°F 195341°F 194621%0%
Aug 3184°F60°F105°F 195344°F 191521%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clark County, 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 (CDT).

August 1
sunrise 5:51 AM, sunset 8:03 PM
August 31
sunrise 6:19 AM, sunset 7:23 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00111329 (Casey), public domain. Records: NOAA GHCN-Daily, station USC00116558, 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.