Oregon County climate

Oregon County Weather in August

NOAA 1991-2020 normals for Alton, 0.7 km from Oregon County

Average highs run from 89°F on August 1 to 86°F on August 31, and lows from 66°F to 62°F. Normal precipitation for the month is 3.92 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 Oregon County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
88°F
Average low
64°F
Precipitation
3.92 in
Record high
108°FAug 3, 2011
Record low
47°FAug 12, 2004
Chance of a freeze
0%
Days of 90°F or more
15.7
Daylight
14 h 00 min to 12 h 59 min
Cloud cover
48%
Humidity
70%
Dew point
66°F
Wind
3.4 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 189°F66°F100°F 201257°F 199725%0%
Aug 289°F66°F104°F 201157°F 202525%0%
Aug 389°F66°F108°F 201153°F 202525%0%
Aug 489°F66°F102°F 201055°F 201725%0%
Aug 589°F66°F97°F 200853°F 201725%0%
Aug 689°F66°F99°F 201152°F 199725%0%
Aug 789°F65°F99°F 199950°F 200425%0%
Aug 889°F65°F98°F 201050°F 200424%0%
Aug 989°F65°F99°F 201055°F 200224%0%
Aug 1089°F65°F102°F 200759°F 202424%0%
Aug 1189°F65°F103°F 201055°F 200424%0%
Aug 1289°F65°F104°F 200747°F 200424%0%
Aug 1389°F65°F101°F 200747°F 200424%0%
Aug 1489°F65°F99°F 200748°F 200424%0%
Aug 1589°F65°F102°F 200750°F 201323%0%
Aug 1689°F65°F101°F 200751°F 200423%0%
Aug 1789°F64°F102°F 199954°F 200823%0%
Aug 1888°F64°F102°F 199952°F 201223%0%
Aug 1988°F64°F100°F 201053°F 201222%0%
Aug 2088°F64°F102°F 202353°F 201522%0%
Aug 2188°F64°F101°F 201055°F 199822%0%
Aug 2288°F64°F98°F 200054°F 199921%0%
Aug 2388°F63°F99°F 200052°F 200921%0%
Aug 2488°F63°F99°F 202352°F 200921%0%
Aug 2588°F63°F99°F 202353°F 200921%0%
Aug 2687°F63°F98°F 200053°F 202520%0%
Aug 2787°F63°F99°F 200048°F 202520%0%
Aug 2887°F62°F102°F 200053°F 202520%0%
Aug 2987°F62°F101°F 200047°F 202520%0%
Aug 3086°F62°F103°F 200051°F 200420%0%
Aug 3186°F62°F98°F 202650°F 199920%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oregon 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 6:12 AM, sunset 8:12 PM
August 31
sunrise 6:36 AM, sunset 7:35 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00230127 (Alton), public domain. Records: NOAA GHCN-Daily, station USW00053901, 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.