Preston climate

Preston Weather in July

NOAA 1991-2020 normals for Maquoketa, 20.9 km from Preston

Average highs run from 82°F on July 1 to 82°F on July 31, and lows from 63°F to 63°F. Normal precipitation for the month is 4.15 in over about 9 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Preston, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
82°F
Average low
63°F
Precipitation
4.15 in
Record high
108°FJul 12, 1936
Record low
35°FJul 2, 1904
Chance of a freeze
0%
Days of 90°F or more
4.0
Daylight
15 h 11 min to 14 h 27 min
Cloud cover
52%
Humidity
75%
Dew point
65°F
Wind
8.1 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
Jul 182°F63°F102°F 193138°F 198833%0%
Jul 282°F63°F99°F 190135°F 190433%0%
Jul 382°F63°F103°F 191141°F 191533%0%
Jul 482°F63°F102°F 190144°F 196732%0%
Jul 582°F63°F103°F 191142°F 197932%0%
Jul 682°F63°F99°F 193642°F 196732%0%
Jul 782°F63°F102°F 201239°F 198432%0%
Jul 882°F63°F103°F 201241°F 190132%0%
Jul 982°F63°F101°F 190141°F 190031%0%
Jul 1082°F63°F104°F 190143°F 189831%0%
Jul 1182°F63°F105°F 193641°F 189831%0%
Jul 1282°F63°F108°F 193645°F 189831%0%
Jul 1382°F63°F105°F 193644°F 194031%0%
Jul 1482°F63°F107°F 193644°F 192630%0%
Jul 1582°F63°F100°F 190142°F 193030%0%
Jul 1682°F63°F105°F 190144°F 193030%0%
Jul 1782°F63°F101°F 193642°F 197630%0%
Jul 1882°F63°F99°F 191644°F 192430%0%
Jul 1982°F63°F101°F 190140°F 190930%0%
Jul 2082°F63°F103°F 190144°F 192930%0%
Jul 2182°F63°F107°F 190145°F 196630%0%
Jul 2282°F63°F104°F 193443°F 191130%0%
Jul 2382°F63°F107°F 190145°F 192530%0%
Jul 2482°F63°F107°F 190142°F 190430%0%
Jul 2582°F63°F104°F 193441°F 199130%0%
Jul 2682°F63°F102°F 190139°F 199130%0%
Jul 2782°F63°F103°F 191639°F 199130%0%
Jul 2882°F63°F103°F 191641°F 199130%0%
Jul 2982°F63°F104°F 191643°F 198130%0%
Jul 3082°F63°F103°F 191340°F 189930%0%
Jul 3182°F63°F98°F 191742°F 191830%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Preston, 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).

July 1
sunrise 5:30 AM, sunset 8:41 PM
July 31
sunrise 5:54 AM, sunset 8:21 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00135131 (Maquoketa), public domain. Records: NOAA GHCN-Daily, station USC00115901, 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.