Grand Forks County climate

Grand Forks County Weather in August

NOAA 1991-2020 normals for Grand Forks Intl AP, 20.5 km from Grand Forks County

Average highs run from 82°F on August 1 to 77°F on August 31, and lows from 57°F to 51°F. Normal precipitation for the month is 2.81 in over about 9 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 Grand Forks 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
54°F
Precipitation
2.81 in
Record high
104°FAug 7, 1983
Record low
31°FAug 28, 1986
Chance of a freeze
1%
Days of 90°F or more
2.6
Daylight
14 h 59 min to 13 h 25 min
Cloud cover
51%
Humidity
62%
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°F57°F100°F 198942°F 195929%0%
Aug 282°F57°F100°F 194639°F 197129%0%
Aug 382°F57°F103°F 198933°F 197229%0%
Aug 481°F56°F102°F 194741°F 197229%0%
Aug 581°F56°F98°F 196443°F 195729%0%
Aug 681°F56°F99°F 196142°F 198929%0%
Aug 781°F56°F104°F 198341°F 197229%0%
Aug 881°F56°F103°F 195843°F 199429%0%
Aug 981°F56°F95°F 201040°F 197229%0%
Aug 1081°F56°F99°F 198839°F 196729%0%
Aug 1181°F56°F96°F 195840°F 197729%0%
Aug 1281°F55°F98°F 197843°F 194629%0%
Aug 1381°F55°F99°F 196137°F 196429%0%
Aug 1481°F55°F101°F 196133°F 196829%0%
Aug 1580°F55°F96°F 195636°F 197929%0%
Aug 1680°F55°F96°F 196142°F 198129%0%
Aug 1780°F54°F99°F 194539°F 196829%0%
Aug 1880°F54°F101°F 195537°F 197529%0%
Aug 1980°F54°F96°F 197637°F 200429%0%
Aug 2080°F54°F100°F 197632°F 200429%0%
Aug 2179°F54°F99°F 194738°F 196729%0%
Aug 2279°F53°F99°F 194740°F 194229%0%
Aug 2379°F53°F95°F 194835°F 194229%0%
Aug 2479°F53°F100°F 197639°F 200829%0%
Aug 2578°F53°F97°F 195337°F 195029%0%
Aug 2678°F52°F97°F 195337°F 198229%0%
Aug 2778°F52°F98°F 199132°F 198229%0%
Aug 2878°F52°F99°F 199131°F 198629%0%
Aug 2977°F51°F97°F 201237°F 198829%0%
Aug 3077°F51°F93°F 196138°F 198229%0%
Aug 3177°F51°F97°F 195335°F 198729%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grand Forks County, 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 (CDT).

August 1
sunrise 6:06 AM, sunset 9:05 PM
August 31
sunrise 6:47 AM, sunset 8:12 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014916 (Grand Forks Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00014916, 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.