Chautauqua County climate

Chautauqua County Weather in August

NOAA 1991-2020 normals for Portland1 Sw, 10.1 km from Chautauqua County

Average highs run from 80°F on August 1 to 77°F on August 31, and lows from 64°F to 61°F. Normal precipitation for the month is 3.87 in.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Chautauqua County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
79°F
Average low
63°F
Precipitation
3.87 in
Record high
99°FAug 3, 1988
Record low
28°FAug 29, 1986
Chance of a freeze
0%
Days of 90°F or more
0.7
Daylight
14 h 27 min to 13 h 11 min
Cloud cover
64%
Humidity
74%
Dew point
60°F
Wind
6.7 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 180°F64°F96°F 199947°F 19620%
Aug 280°F64°F92°F 200639°F 19850%
Aug 380°F64°F99°F 198844°F 19760%
Aug 480°F64°F96°F 198844°F 19860%
Aug 580°F64°F94°F 198840°F 19850%
Aug 680°F64°F91°F 198842°F 19780%
Aug 780°F64°F91°F 198943°F 19750%
Aug 880°F63°F92°F 199639°F 19750%
Aug 980°F63°F95°F 200136°F 19900%
Aug 1080°F63°F92°F 200141°F 19750%
Aug 1180°F63°F90°F 202545°F 19870%
Aug 1280°F63°F94°F 198839°F 19860%
Aug 1380°F63°F96°F 198840°F 19860%
Aug 1480°F63°F95°F 198842°F 19860%
Aug 1580°F63°F94°F 198844°F 19830%
Aug 1679°F63°F91°F 199642°F 19760%
Aug 1779°F63°F91°F 199540°F 19810%
Aug 1879°F63°F95°F 198839°F 19810%
Aug 1979°F63°F88°F 199539°F 19770%
Aug 2079°F62°F87°F 199639°F 19770%
Aug 2179°F62°F89°F 199638°F 20000%
Aug 2279°F62°F89°F 202137°F 19880%
Aug 2379°F62°F89°F 202038°F 19850%
Aug 2479°F62°F87°F 199837°F 19870%
Aug 2578°F62°F90°F 200734°F 19870%
Aug 2678°F62°F91°F 202134°F 19870%
Aug 2778°F61°F91°F 202139°F 19870%
Aug 2878°F61°F91°F 199134°F 19820%
Aug 2978°F61°F95°F 199028°F 19860%
Aug 3078°F61°F95°F 199130°F 19820%
Aug 3177°F61°F94°F 199138°F 19760%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chautauqua County, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:10 AM, sunset 8:37 PM
August 31
sunrise 6:42 AM, sunset 7:53 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00306747 (Portland1 Sw), public domain. Records: NOAA GHCN-Daily, station USC00304207, 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.