Marshall County climate

Marshall County Weather in August

NOAA 1991-2020 normals for Agassiz Refuge, 29.3 km from Marshall County

Average highs run from 82°F on August 1 to 77°F on August 31, and lows from 58°F to 54°F. Normal precipitation for the month is 3.25 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 Marshall County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
80°F
Average low
57°F
Precipitation
3.25 in
Record high
102°FAug 7, 1983
Record low
28°FAug 27, 1982
Chance of a freeze
0%
Days of 90°F or more
1.2
Daylight
15 h 01 min to 13 h 27 min
Cloud cover
51%
Humidity
65%
Dew point
54°F
Wind
9.6 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°F58°F97°F 193037°F 192734%0%
Aug 282°F58°F99°F 193039°F 192734%0%
Aug 382°F58°F101°F 198937°F 197833%0%
Aug 482°F58°F99°F 194739°F 191533%0%
Aug 582°F58°F98°F 193940°F 199433%0%
Aug 682°F58°F96°F 198441°F 191733%0%
Aug 782°F58°F102°F 198343°F 192133%0%
Aug 882°F57°F96°F 194942°F 192733%0%
Aug 981°F57°F96°F 192037°F 191732%0%
Aug 1081°F57°F97°F 198838°F 198232%0%
Aug 1181°F57°F94°F 195837°F 191432%0%
Aug 1281°F57°F95°F 197838°F 202132%0%
Aug 1381°F57°F99°F 198435°F 196432%0%
Aug 1481°F57°F98°F 193535°F 196832%0%
Aug 1581°F57°F99°F 193541°F 197932%0%
Aug 1681°F57°F97°F 192239°F 192432%0%
Aug 1780°F57°F95°F 191739°F 192432%0%
Aug 1880°F57°F94°F 194539°F 193232%0%
Aug 1980°F57°F97°F 200338°F 200433%0%
Aug 2080°F57°F99°F 197633°F 195033%0%
Aug 2180°F56°F97°F 201335°F 192033%0%
Aug 2279°F56°F94°F 194735°F 192333%0%
Aug 2379°F56°F95°F 192930°F 192733%0%
Aug 2479°F56°F97°F 197633°F 191733%0%
Aug 2579°F56°F94°F 192632°F 194534%0%
Aug 2678°F56°F96°F 201332°F 193434%0%
Aug 2778°F55°F97°F 192628°F 198234%0%
Aug 2878°F55°F97°F 198432°F 193434%0%
Aug 2977°F55°F95°F 196134°F 198834%0%
Aug 3077°F55°F95°F 192934°F 193534%0%
Aug 3177°F54°F94°F 195333°F 197434%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Marshall 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 6:01 AM, sunset 9:02 PM
August 31
sunrise 6:42 AM, sunset 8:09 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00210050 (Agassiz Refuge), public domain. Records: NOAA GHCN-Daily, station USC00216787, 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.