Owatonna climate

Owatonna Weather in August

NOAA 1991-2020 normals for Owatonna, 1.6 km from Owatonna

Average highs run from 81°F on August 1 to 77°F on August 31, and lows from 61°F to 57°F. Normal precipitation for the month is 4.84 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 Owatonna, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
79°F
Average low
60°F
Precipitation
4.84 in
Record high
102°FAug 1, 1988
Record low
36°FAug 18, 1985
Chance of a freeze
0%
Days of 90°F or more
1.7
Daylight
14 h 36 min to 13 h 15 min
Cloud cover
53%
Humidity
74%
Dew point
60°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 181°F61°F102°F 198848°F 196831%0%
Aug 281°F61°F98°F 198846°F 197131%0%
Aug 381°F61°F98°F 198845°F 197831%0%
Aug 481°F61°F95°F 198345°F 197231%0%
Aug 581°F61°F95°F 196445°F 199431%0%
Aug 681°F61°F96°F 198347°F 197631%0%
Aug 780°F61°F97°F 198343°F 197231%0%
Aug 880°F61°F96°F 198346°F 196431%0%
Aug 980°F61°F95°F 198844°F 197231%0%
Aug 1080°F61°F94°F 197643°F 198231%0%
Aug 1180°F60°F93°F 197644°F 196731%0%
Aug 1280°F60°F93°F 198847°F 200431%0%
Aug 1380°F60°F95°F 197141°F 196431%0%
Aug 1480°F60°F93°F 196539°F 196431%0%
Aug 1580°F60°F97°F 198843°F 197931%0%
Aug 1680°F60°F100°F 198846°F 197631%0%
Aug 1779°F60°F99°F 198844°F 196231%0%
Aug 1879°F60°F95°F 197236°F 198531%0%
Aug 1979°F59°F97°F 198339°F 196731%0%
Aug 2079°F59°F96°F 198344°F 198531%0%
Aug 2179°F59°F94°F 197639°F 200431%0%
Aug 2279°F59°F95°F 197646°F 200431%0%
Aug 2379°F59°F96°F 202343°F 198731%0%
Aug 2479°F59°F96°F 202344°F 197730%0%
Aug 2578°F58°F97°F 200346°F 196430%0%
Aug 2678°F58°F92°F 197043°F 196830%0%
Aug 2778°F58°F96°F 198440°F 197130%0%
Aug 2878°F58°F96°F 198438°F 198630%0%
Aug 2978°F58°F95°F 198442°F 198830%0%
Aug 3078°F57°F94°F 201242°F 198830%0%
Aug 3177°F57°F98°F 201237°F 196730%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Owatonna, 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 6:01 AM, sunset 8:37 PM
August 31
sunrise 6:35 AM, sunset 7:50 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00216287 (Owatonna), public domain. Records: NOAA GHCN-Daily, station USC00216287, 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.