Plainfield climate

Plainfield Weather in August

NOAA 1991-2020 normals for Indianapolis, 10.2 km from Plainfield

Average highs run from 85°F on August 1 to 83°F on August 31, and lows from 66°F to 63°F. Normal precipitation for the month is 3.20 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 Plainfield, 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
65°F
Precipitation
3.20 in
Record high
100°FAug 8, 2012
Record low
49°FAug 15, 2014
Chance of a freeze
0%
Days of 90°F or more
5.9
Daylight
14 h 13 min to 13 h 05 min
Cloud cover
50%
Humidity
72%
Dew point
63°F
Wind
6.0 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 185°F66°F93°F 201260°F 202330%0%
Aug 285°F66°F98°F 201260°F 201330%0%
Aug 385°F66°F91°F 201260°F 202530%0%
Aug 485°F66°F93°F 201257°F 201329%0%
Aug 585°F66°F93°F 201654°F 201729%0%
Aug 685°F66°F91°F 201859°F 202029%0%
Aug 785°F66°F95°F 201258°F 201529%0%
Aug 885°F66°F100°F 201258°F 201729%0%
Aug 985°F66°F92°F 201658°F 201729%0%
Aug 1085°F66°F90°F 202556°F 202428%0%
Aug 1185°F66°F93°F 201656°F 202428%0%
Aug 1285°F66°F91°F 201657°F 202428%0%
Aug 1385°F66°F87°F 202657°F 201328%0%
Aug 1485°F66°F89°F 201952°F 201328%0%
Aug 1585°F65°F91°F 202549°F 201428%0%
Aug 1685°F65°F92°F 202558°F 201427%0%
Aug 1785°F65°F89°F 202559°F 201327%0%
Aug 1884°F65°F90°F 201955°F 201227%0%
Aug 1984°F65°F89°F 201757°F 202327%0%
Aug 2084°F65°F91°F 201758°F 201227%0%
Aug 2184°F65°F91°F 201755°F 202427%0%
Aug 2284°F65°F88°F 201353°F 202426%0%
Aug 2384°F64°F89°F 201454°F 202426%0%
Aug 2484°F64°F91°F 201252°F 202626%0%
Aug 2584°F64°F94°F 201253°F 201526%0%
Aug 2684°F64°F94°F 201452°F 202526%0%
Aug 2784°F64°F94°F 201351°F 202526%0%
Aug 2883°F64°F98°F 201356°F 202526%0%
Aug 2983°F63°F92°F 202456°F 202326%0%
Aug 3083°F63°F95°F 201353°F 202526%0%
Aug 3183°F63°F99°F 201353°F 202526%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Plainfield, 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 (EDT).

August 1
sunrise 6:45 AM, sunset 8:58 PM
August 31
sunrise 7:13 AM, sunset 8:18 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00093819 (Indianapolis), public domain. Records: NOAA GHCN-Daily, station USC00124260, 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.