Quincy climate

Quincy Weather in August

NOAA 1991-2020 normals for Quincy Dam 21, 3.9 km from Quincy

Average highs run from 87°F on August 1 to 84°F on August 31, and lows from 67°F to 63°F. Normal precipitation for the month is 3.33 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 Quincy, 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
66°F
Precipitation
3.33 in
Record high
103°FAug 15, 2007
Record low
42°FAug 20, 1950
Chance of a freeze
0%
Days of 90°F or more
8.3
Daylight
14 h 15 min to 13 h 05 min
Cloud cover
49%
Humidity
70%
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 187°F67°F101°F 198855°F 197124%0%
Aug 287°F67°F102°F 201153°F 200924%0%
Aug 387°F67°F100°F 196450°F 195024%0%
Aug 487°F67°F100°F 195452°F 196624%0%
Aug 587°F67°F96°F 197952°F 194824%0%
Aug 687°F67°F99°F 200651°F 199424%0%
Aug 787°F67°F98°F 201251°F 198924%0%
Aug 886°F67°F102°F 198851°F 198924%0%
Aug 986°F67°F99°F 200552°F 197224%0%
Aug 1086°F67°F96°F 196452°F 202424%0%
Aug 1186°F67°F97°F 200750°F 196723%0%
Aug 1286°F67°F100°F 197548°F 197923%0%
Aug 1386°F67°F96°F 198044°F 196423%0%
Aug 1486°F66°F100°F 200749°F 199223%0%
Aug 1586°F66°F103°F 200746°F 200423%0%
Aug 1686°F66°F101°F 198849°F 199223%0%
Aug 1786°F66°F102°F 198352°F 201223%0%
Aug 1886°F66°F102°F 198850°F 201223%0%
Aug 1986°F66°F99°F 198346°F 195023%0%
Aug 2085°F65°F102°F 198342°F 195023%0%
Aug 2185°F65°F100°F 200344°F 195023%0%
Aug 2285°F65°F96°F 194851°F 195023%0%
Aug 2385°F65°F98°F 201149°F 195223%0%
Aug 2485°F65°F101°F 202347°F 195223%0%
Aug 2585°F64°F100°F 202346°F 195823%0%
Aug 2685°F64°F101°F 198349°F 202522%0%
Aug 2784°F64°F100°F 198348°F 198622%0%
Aug 2884°F64°F101°F 198442°F 198622%0%
Aug 2984°F63°F103°F 198443°F 198622%0%
Aug 3084°F63°F100°F 201349°F 198622%0%
Aug 3184°F63°F100°F 195346°F 196722%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Quincy, 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 6:04 AM, sunset 8:19 PM
August 31
sunrise 6:33 AM, sunset 7:38 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00117077 (Quincy Dam 21), public domain. Records: NOAA GHCN-Daily, station USW00093989, 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.