Tumbling Shoals climate

Tumbling Shoals Weather in August

NOAA 1991-2020 normals for Greers Ferry Dam, 3.8 km from Tumbling Shoals

Average highs run from 92°F on August 1 to 88°F on August 31, and lows from 69°F to 66°F. Normal precipitation for the month is 3.78 in over about 8 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 Tumbling Shoals, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
91°F
Average low
68°F
Precipitation
3.78 in
Record high
111°FAug 4, 2011
Record low
45°FAug 28, 1967
Chance of a freeze
0%
Days of 90°F or more
18.1
Daylight
13 h 56 min to 12 h 57 min
Cloud cover
46%
Humidity
70%
Dew point
67°F
Wind
4.3 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 192°F69°F110°F 198052°F 197128%0%
Aug 292°F69°F105°F 198055°F 196528%0%
Aug 392°F69°F105°F 196453°F 197628%0%
Aug 492°F69°F111°F 201150°F 197428%0%
Aug 592°F69°F105°F 195652°F 197428%0%
Aug 692°F69°F104°F 195654°F 195728%0%
Aug 792°F69°F106°F 201155°F 195728%0%
Aug 892°F69°F106°F 201152°F 198928%0%
Aug 992°F69°F104°F 196952°F 197628%0%
Aug 1091°F69°F104°F 198054°F 195328%0%
Aug 1191°F69°F106°F 200057°F 195327%0%
Aug 1291°F69°F103°F 198049°F 196727%0%
Aug 1391°F69°F103°F 195447°F 196727%0%
Aug 1491°F69°F104°F 195449°F 196727%0%
Aug 1591°F68°F106°F 195449°F 196327%0%
Aug 1691°F68°F106°F 195446°F 196327%0%
Aug 1791°F68°F108°F 195655°F 196426%0%
Aug 1891°F68°F105°F 195655°F 196226%0%
Aug 1991°F68°F103°F 198054°F 195326%0%
Aug 2090°F68°F103°F 197249°F 195326%0%
Aug 2190°F68°F106°F 202649°F 195326%0%
Aug 2290°F67°F105°F 202650°F 195626%0%
Aug 2390°F67°F103°F 202655°F 197825%0%
Aug 2490°F67°F106°F 197853°F 195225%0%
Aug 2590°F67°F103°F 197851°F 196625%0%
Aug 2689°F67°F103°F 195451°F 195825%0%
Aug 2789°F67°F104°F 195451°F 196225%0%
Aug 2889°F66°F104°F 196345°F 196725%0%
Aug 2989°F66°F106°F 195446°F 198625%0%
Aug 3089°F66°F105°F 200046°F 198625%0%
Aug 3188°F66°F103°F 200052°F 198825%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Tumbling Shoals, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:16 AM, sunset 8:12 PM
August 31
sunrise 6:39 AM, sunset 7:36 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00032978 (Greers Ferry Dam), public domain. Records: NOAA GHCN-Daily, station USC00030460, 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.