Chalco climate

Chalco Weather in August

NOAA 1991-2020 normals for Gretna 4NE, 4.5 km from Chalco

Average highs run from 86°F on August 1 to 82°F on August 31, and lows from 66°F to 60°F. Normal precipitation for the month is 3.83 in over about 10 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 Chalco, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
64°F
Precipitation
3.83 in
Record high
104°FAug 25, 2023
Record low
46°FAug 31, 2009
Chance of a freeze
0%
Days of 90°F or more
5.9
Daylight
14 h 21 min to 13 h 09 min
Cloud cover
50%
Humidity
67%
Dew point
62°F
Wind
8.7 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 186°F66°F101°F 200655°F 200931%0%
Aug 286°F66°F99°F 200657°F 200932%0%
Aug 386°F66°F99°F 202257°F 202132%0%
Aug 485°F66°F97°F 200852°F 201732%0%
Aug 585°F66°F98°F 202453°F 201732%0%
Aug 685°F66°F101°F 202453°F 200532%0%
Aug 785°F66°F99°F 202254°F 200532%0%
Aug 885°F65°F98°F 201259°F 201732%0%
Aug 985°F65°F95°F 200951°F 202432%0%
Aug 1085°F65°F95°F 200653°F 200432%0%
Aug 1185°F65°F95°F 201051°F 200432%0%
Aug 1285°F65°F96°F 201051°F 200432%0%
Aug 1385°F65°F95°F 201051°F 200432%0%
Aug 1484°F64°F93°F 201050°F 200432%0%
Aug 1584°F64°F93°F 200750°F 200432%0%
Aug 1684°F64°F92°F 202556°F 200432%0%
Aug 1784°F64°F93°F 202552°F 201232%0%
Aug 1884°F63°F91°F 202551°F 201231%0%
Aug 1984°F63°F94°F 200550°F 200431%0%
Aug 2084°F63°F95°F 202349°F 200431%0%
Aug 2183°F63°F94°F 201953°F 201531%0%
Aug 2283°F62°F96°F 202353°F 200931%0%
Aug 2383°F62°F97°F 202352°F 201531%0%
Aug 2483°F62°F101°F 202351°F 201531%0%
Aug 2583°F62°F104°F 202351°F 201531%0%
Aug 2683°F61°F100°F 202453°F 201530%0%
Aug 2782°F61°F98°F 202456°F 201530%0%
Aug 2882°F61°F95°F 201354°F 201930%0%
Aug 2982°F60°F95°F 201252°F 201830%0%
Aug 3082°F60°F96°F 202452°F 200930%0%
Aug 3182°F60°F97°F 201246°F 200930%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chalco, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:20 AM, sunset 8:41 PM
August 31
sunrise 6:50 AM, sunset 7:59 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00253467 (Gretna 4NE), public domain. Records: NOAA GHCN-Daily, station USC00253467, 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.