Marathon climate

Marathon Weather in August

NOAA 1991-2020 normals for Whitney Pt Dam, 12.4 km from Marathon

Average highs run from 81°F on August 1 to 76°F on August 31, and lows from 58°F to 54°F. Normal precipitation for the month is 4.44 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 Marathon, 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
57°F
Precipitation
4.44 in
Record high
93°FAug 19, 2009
Record low
40°FAug 26, 2017
Chance of a freeze
0%
Daylight
14 h 27 min to 13 h 12 min
Cloud cover
60%
Humidity
73%
Dew point
58°F
Wind
3.8 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 181°F58°F84°F 201151°F 20140%
Aug 281°F58°F87°F 201148°F 20250%
Aug 381°F58°F89°F 202046°F 20210%
Aug 481°F58°F90°F 202251°F 20210%
Aug 581°F58°F88°F 201243°F 20130%
Aug 681°F58°F88°F 201846°F 20170%
Aug 780°F58°F89°F 201847°F 20090%
Aug 880°F58°F88°F 202244°F 20090%
Aug 980°F58°F87°F 201247°F 20140%
Aug 1080°F58°F88°F 201251°F 20140%
Aug 1180°F58°F89°F 200947°F 20190%
Aug 1280°F58°F91°F 202047°F 20110%
Aug 1380°F57°F92°F 202545°F 20220%
Aug 1479°F57°F91°F 201645°F 20140%
Aug 1579°F57°F87°F 200941°F 20130%
Aug 1679°F57°F89°F 200945°F 20140%
Aug 1779°F57°F89°F 200944°F 20140%
Aug 1879°F57°F91°F 200949°F 20140%
Aug 1979°F57°F93°F 200944°F 20120%
Aug 2078°F56°F84°F 201642°F 20200%
Aug 2178°F56°F87°F 202245°F 20120%
Aug 2278°F56°F85°F 202048°F 20120%
Aug 2378°F56°F84°F 201746°F 20110%
Aug 2478°F56°F89°F 202045°F 20190%
Aug 2577°F56°F89°F 202047°F 20170%
Aug 2677°F55°F88°F 202140°F 20170%
Aug 2777°F55°F85°F 202142°F 20170%
Aug 2877°F55°F84°F 201641°F 20250%
Aug 2977°F55°F89°F 201843°F 20140%
Aug 3077°F54°F90°F 202241°F 20120%
Aug 3176°F54°F83°F 201343°F 20170%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Marathon, 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 5:57 AM, sunset 8:24 PM
August 31
sunrise 6:28 AM, sunset 7:40 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00309442 (Whitney Pt Dam), public domain. Records: NOAA GHCN-Daily, station USC00303050, 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.