Olney climate

Olney Weather in August

NOAA 1991-2020 normals for Olney, 1.3 km from Olney

Average highs run from 98°F on August 1 to 94°F on August 31, and lows from 73°F to 69°F. Normal precipitation for the month is 2.20 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 Olney, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
97°F
Average low
71°F
Precipitation
2.20 in
Record high
117°FAug 11, 1936
Record low
47°FAug 31, 1915
Chance of a freeze
0%
Days of 90°F or more
27.3
Daylight
13 h 46 min to 12 h 52 min
Cloud cover
42%
Humidity
53%
Dew point
64°F
Wind
8.7 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 198°F73°F111°F 201253°F 193615%0%
Aug 298°F73°F112°F 201253°F 193615%0%
Aug 398°F73°F112°F 191060°F 191515%0%
Aug 498°F73°F110°F 201155°F 191515%0%
Aug 598°F73°F110°F 192955°F 191515%0%
Aug 698°F73°F110°F 201155°F 191515%0%
Aug 798°F73°F112°F 196456°F 191515%0%
Aug 898°F73°F109°F 190754°F 198916%0%
Aug 998°F72°F111°F 193656°F 198916%0%
Aug 1098°F72°F115°F 193661°F 194016%0%
Aug 1198°F72°F117°F 193653°F 191516%0%
Aug 1298°F72°F114°F 193656°F 193116%0%
Aug 1398°F72°F110°F 193453°F 196716%0%
Aug 1498°F72°F109°F 191157°F 196716%0%
Aug 1597°F72°F107°F 191756°F 199216%0%
Aug 1697°F72°F112°F 194362°F 195517%0%
Aug 1797°F72°F110°F 195256°F 194217%0%
Aug 1897°F72°F111°F 194559°F 193117%0%
Aug 1997°F71°F110°F 191858°F 199217%0%
Aug 2097°F71°F108°F 190755°F 194017%0%
Aug 2196°F71°F110°F 191058°F 194017%0%
Aug 2296°F71°F110°F 191856°F 195617%0%
Aug 2396°F71°F112°F 191856°F 195618%0%
Aug 2496°F71°F109°F 191352°F 196118%0%
Aug 2595°F70°F109°F 191355°F 191618%0%
Aug 2695°F70°F110°F 191355°F 196218%0%
Aug 2795°F70°F107°F 195249°F 199218%0%
Aug 2895°F70°F110°F 201152°F 199218%0%
Aug 2995°F69°F110°F 194359°F 191619%0%
Aug 3094°F69°F109°F 198452°F 190419%0%
Aug 3194°F69°F108°F 195647°F 191519%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Olney, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:48 AM, sunset 8:34 PM
August 31
sunrise 7:09 AM, sunset 8:01 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00416636 (Olney), public domain. Records: NOAA GHCN-Daily, station USC00413668, 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.