Marion climate

Marion Weather in August

NOAA 1991-2020 normals for Cedar Rapids #1, 1.9 km from Marion

Average highs run from 85°F on August 1 to 82°F on August 31, and lows from 63°F to 58°F. Normal precipitation for the month is 4.42 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 Marion, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
61°F
Precipitation
4.42 in
Record high
102°FAug 15, 1988
Record low
40°FAug 28, 1986
Chance of a freeze
0%
Days of 90°F or more
4.2
Daylight
14 h 25 min to 13 h 11 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 185°F63°F101°F 198752°F 197331%0%
Aug 285°F63°F99°F 198850°F 197331%0%
Aug 385°F63°F99°F 198848°F 197631%0%
Aug 485°F63°F98°F 198847°F 197831%0%
Aug 585°F63°F93°F 198449°F 202031%0%
Aug 685°F63°F94°F 198448°F 200431%0%
Aug 784°F63°F95°F 198446°F 198931%0%
Aug 884°F63°F97°F 198848°F 197631%0%
Aug 984°F62°F95°F 200549°F 197231%0%
Aug 1084°F62°F98°F 198348°F 202431%0%
Aug 1184°F62°F95°F 198847°F 200431%0%
Aug 1284°F62°F95°F 195849°F 200431%0%
Aug 1384°F62°F98°F 196542°F 196431%0%
Aug 1484°F62°F97°F 198843°F 200431%0%
Aug 1584°F62°F102°F 198845°F 200431%0%
Aug 1684°F62°F100°F 198848°F 197631%0%
Aug 1783°F61°F100°F 198847°F 201231%0%
Aug 1883°F61°F96°F 198846°F 200231%0%
Aug 1983°F61°F99°F 198345°F 200430%0%
Aug 2083°F61°F98°F 198347°F 195630%0%
Aug 2183°F61°F95°F 195546°F 200430%0%
Aug 2283°F61°F93°F 197150°F 202430%0%
Aug 2383°F60°F100°F 202346°F 196630%0%
Aug 2483°F60°F99°F 202346°F 196630%0%
Aug 2582°F60°F95°F 195544°F 195830%0%
Aug 2682°F60°F95°F 195545°F 196430%0%
Aug 2782°F59°F97°F 195543°F 198630%0%
Aug 2882°F59°F96°F 195540°F 198630%0%
Aug 2982°F59°F95°F 198444°F 198630%0%
Aug 3082°F59°F100°F 195346°F 200930%0%
Aug 3182°F58°F98°F 195344°F 200930%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Marion, 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 6:00 AM, sunset 8:25 PM
August 31
sunrise 6:31 AM, sunset 7:42 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00131319 (Cedar Rapids #1), public domain. Records: NOAA GHCN-Daily, station USW00014990, 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.