Grayson climate

Grayson Weather in August

NOAA 1991-2020 normals for Columbia Lock, 13 km from Grayson

Average highs run from 94°F on August 1 to 92°F on August 31, and lows from 73°F to 70°F. Normal precipitation for the month is 3.67 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 Grayson, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
93°F
Average low
72°F
Precipitation
3.67 in
Record high
108°FAug 9, 1935
Record low
51°FAug 28, 1968
Chance of a freeze
0%
Days of 90°F or more
25.7
Daylight
13 h 41 min to 12 h 51 min
Cloud cover
46%
Humidity
68%
Dew point
70°F
Wind
5.4 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 194°F73°F105°F 201061°F 193625%0%
Aug 294°F73°F106°F 201061°F 196525%0%
Aug 394°F73°F107°F 201162°F 196525%0%
Aug 494°F73°F106°F 201163°F 196925%0%
Aug 594°F73°F104°F 202360°F 196924%0%
Aug 694°F73°F104°F 201160°F 196924%0%
Aug 794°F73°F105°F 194763°F 196624%0%
Aug 894°F73°F107°F 193559°F 199024%0%
Aug 994°F73°F108°F 193559°F 197624%0%
Aug 1094°F73°F106°F 193659°F 197624%0%
Aug 1194°F72°F104°F 193562°F 196724%0%
Aug 1294°F72°F105°F 202358°F 196724%0%
Aug 1394°F72°F106°F 194856°F 200424%0%
Aug 1494°F72°F106°F 202355°F 200424%0%
Aug 1593°F72°F104°F 200756°F 200424%0%
Aug 1693°F72°F102°F 193657°F 196324%0%
Aug 1793°F72°F105°F 202656°F 199224%0%
Aug 1893°F72°F105°F 202357°F 199224%0%
Aug 1993°F72°F106°F 201165°F 196324%0%
Aug 2093°F72°F105°F 201162°F 197624%0%
Aug 2193°F72°F104°F 198060°F 196123%0%
Aug 2293°F72°F105°F 202655°F 196123%0%
Aug 2393°F72°F103°F 201156°F 195623%0%
Aug 2493°F71°F108°F 202359°F 195623%0%
Aug 2593°F71°F107°F 202358°F 196623%0%
Aug 2692°F71°F106°F 202354°F 196622%0%
Aug 2792°F71°F101°F 200058°F 196622%0%
Aug 2892°F71°F103°F 202451°F 196822%0%
Aug 2992°F71°F103°F 195454°F 198622%0%
Aug 3092°F70°F107°F 200054°F 198622%0%
Aug 3192°F70°F107°F 200060°F 198622%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grayson, 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 6:24 AM, sunset 8:05 PM
August 31
sunrise 6:43 AM, sunset 7:34 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00161979 (Columbia Lock), public domain. Records: NOAA GHCN-Daily, station USW00013942, 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.