Grand Forks Air Force Base climate

Grand Forks Air Force Base Weather in August

NOAA 1991-2020 normals for Grand Forks Intl AP, 15.2 km from Grand Forks Air Force Base

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 Air Force Base, 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 26 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 Air Force Base, 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 6:46 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.