Porter County climate

Porter County Weather in August

NOAA 1991-2020 normals for Valparaiso Wtr Wks, 2.9 km from Porter County

Average highs run from 82°F on August 1 to 80°F on August 31, and lows from 63°F to 60°F. Normal precipitation for the month is 3.57 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 Porter County, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
81°F
Average low
62°F
Precipitation
3.57 in
Record high
96°FAug 24, 2023
Record low
43°FAug 15, 2014
Chance of a freeze
0%
Days of 90°F or more
1.7
Daylight
14 h 23 min to 13 h 09 min
Cloud cover
52%
Humidity
73%
Dew point
62°F
Wind
7.8 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 182°F63°F92°F 200256°F 199832%0%
Aug 282°F63°F93°F 201553°F 201432%0%
Aug 382°F63°F93°F 201254°F 201432%0%
Aug 482°F63°F95°F 201854°F 202032%0%
Aug 582°F63°F95°F 201853°F 202032%0%
Aug 682°F63°F90°F 200752°F 200432%0%
Aug 782°F63°F93°F 200147°F 200432%0%
Aug 882°F63°F93°F 200154°F 199932%0%
Aug 981°F63°F93°F 200150°F 199932%0%
Aug 1081°F62°F92°F 202152°F 202432%0%
Aug 1181°F62°F92°F 201650°F 200432%0%
Aug 1281°F62°F91°F 202546°F 200431%0%
Aug 1381°F62°F90°F 201050°F 200631%0%
Aug 1481°F62°F90°F 201848°F 201431%0%
Aug 1581°F62°F92°F 200043°F 201431%0%
Aug 1681°F62°F93°F 202548°F 200431%0%
Aug 1781°F62°F87°F 201553°F 201231%0%
Aug 1881°F62°F87°F 201949°F 201231%0%
Aug 1981°F62°F89°F 201951°F 200031%0%
Aug 2081°F62°F91°F 201050°F 202431%0%
Aug 2181°F61°F95°F 200348°F 202430%0%
Aug 2281°F61°F90°F 200747°F 200430%0%
Aug 2381°F61°F93°F 202349°F 202430%0%
Aug 2481°F61°F96°F 202349°F 200930%0%
Aug 2581°F61°F92°F 200348°F 201730%0%
Aug 2680°F61°F93°F 201849°F 200830%0%
Aug 2780°F60°F95°F 202449°F 202530%0%
Aug 2880°F60°F94°F 201852°F 202329%0%
Aug 2980°F60°F94°F 201049°F 202529%0%
Aug 3080°F60°F94°F 201347°F 199929%0%
Aug 3180°F60°F92°F 201043°F 200929%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Porter County, 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 5:43 AM, sunset 8:06 PM
August 31
sunrise 6:14 AM, sunset 7:23 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00128999 (Valparaiso Wtr Wks), public domain. Records: NOAA GHCN-Daily, station USW00004846, 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.