Linn County climate

Linn County Weather in August

NOAA 1991-2020 normals for Chillicothe 22 Ene, 3.4 km from Linn County

Average highs run from 86°F on August 1 to 82°F on August 31, and lows from 66°F to 61°F. Normal precipitation for the month is 4.09 in over about 10 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 Linn County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
64°F
Precipitation
4.09 in
Record high
104°FAug 21, 2003
Record low
45°FAug 12, 2004
Chance of a freeze
0%
Days of 90°F or more
6.5
Daylight
14 h 15 min to 13 h 05 min
Cloud cover
49%
Humidity
71%
Dew point
64°F
Wind
7.6 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 186°F66°F101°F 200657°F 200927%0%
Aug 286°F66°F102°F 201153°F 200927%0%
Aug 386°F66°F99°F 200556°F 202528%0%
Aug 486°F66°F96°F 200750°F 201728%0%
Aug 586°F65°F100°F 200752°F 201728%0%
Aug 685°F65°F100°F 200652°F 200429%0%
Aug 785°F65°F103°F 201252°F 200429%0%
Aug 885°F65°F98°F 201056°F 200229%0%
Aug 985°F65°F99°F 200654°F 201730%0%
Aug 1085°F65°F99°F 201054°F 202430%0%
Aug 1185°F65°F98°F 200752°F 200430%0%
Aug 1285°F65°F101°F 200745°F 200430%0%
Aug 1385°F65°F98°F 200654°F 200431%0%
Aug 1485°F65°F102°F 200752°F 200231%0%
Aug 1585°F64°F103°F 200748°F 200431%0%
Aug 1685°F64°F100°F 200353°F 200432%0%
Aug 1785°F64°F103°F 200351°F 201232%0%
Aug 1884°F64°F103°F 200348°F 201232%0%
Aug 1984°F64°F97°F 200357°F 200132%0%
Aug 2084°F63°F102°F 200351°F 201232%0%
Aug 2184°F63°F104°F 200349°F 200432%0%
Aug 2284°F63°F98°F 201256°F 200932%0%
Aug 2384°F63°F96°F 201252°F 200932%0%
Aug 2483°F63°F98°F 202349°F 201532%0%
Aug 2583°F62°F103°F 200349°F 202532%0%
Aug 2683°F62°F103°F 200346°F 202532%0%
Aug 2783°F62°F97°F 200351°F 202532%0%
Aug 2883°F62°F98°F 200053°F 202532%0%
Aug 2982°F61°F96°F 201255°F 202532%0%
Aug 3082°F61°F102°F 201351°F 200932%0%
Aug 3182°F61°F99°F 200051°F 200932%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Linn County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:11 AM, sunset 8:26 PM
August 31
sunrise 6:40 AM, sunset 7:45 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013301 (Chillicothe 22 Ene), public domain. Records: NOAA GHCN-Daily, station USW00053916, 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.