Marco Island climate

Marco Island Weather in August

NOAA 1991-2020 normals for Marco Is, 1 km from Marco Island

Average highs run from 92°F on August 1 to 91°F on August 31, and lows from 76°F to 76°F. Normal precipitation for the month is 9.16 in over about 19 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 Marco Island, in °F, with the record for each date.60708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
92°F
Average low
76°F
Precipitation
9.16 in
Record high
97°FAug 8, 2023
Record low
67°FAug 26, 2010
Chance of a freeze
0%
Days of 90°F or more
20.2
Daylight
13 h 20 min to 12 h 40 min
Cloud cover
59%
Humidity
79%
Dew point
75°F
Wind
6.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Aug 192°F76°F95°F 202271°F 201955%
Aug 292°F76°F96°F 202272°F 200955%
Aug 392°F76°F95°F 201272°F 200355%
Aug 492°F76°F94°F 201273°F 200756%
Aug 592°F76°F95°F 201271°F 201056%
Aug 692°F76°F95°F 201171°F 200857%
Aug 792°F76°F95°F 201770°F 200557%
Aug 892°F76°F97°F 202372°F 200657%
Aug 992°F76°F97°F 202371°F 200658%
Aug 1092°F76°F95°F 201270°F 200658%
Aug 1192°F76°F96°F 202672°F 200858%
Aug 1292°F76°F95°F 201372°F 202259%
Aug 1392°F76°F97°F 202372°F 200859%
Aug 1492°F76°F95°F 202473°F 200859%
Aug 1592°F76°F94°F 201768°F 200660%
Aug 1692°F76°F97°F 202372°F 200760%
Aug 1792°F76°F96°F 201770°F 200461%
Aug 1892°F76°F95°F 201471°F 200861%
Aug 1992°F76°F95°F 201471°F 200861%
Aug 2092°F76°F95°F 201471°F 200662%
Aug 2192°F76°F96°F 201470°F 200962%
Aug 2292°F76°F94°F 201172°F 200462%
Aug 2391°F76°F96°F 201672°F 200462%
Aug 2491°F76°F97°F 201673°F 202562%
Aug 2591°F76°F96°F 201272°F 200763%
Aug 2691°F76°F97°F 201467°F 201063%
Aug 2791°F76°F95°F 201470°F 201063%
Aug 2891°F76°F95°F 202472°F 200263%
Aug 2991°F76°F94°F 201571°F 200262%
Aug 3091°F76°F95°F 201972°F 201062%
Aug 3191°F76°F96°F 201471°F 201062%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Marco Island, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:53 AM, sunset 8:13 PM
August 31
sunrise 7:07 AM, sunset 7:47 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00085359 (Marco Is), public domain. Records: NOAA GHCN-Daily, station USC00085359, 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.