American Fork climate

American Fork Weather in August

NOAA 1991-2020 normals for Pleasant Grove, 5.4 km from American Fork

Average highs run from 94°F on August 1 to 88°F on August 31, and lows from 65°F to 59°F. Normal precipitation for the month is 0.76 in over about 6 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 American Fork, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
91°F
Average low
62°F
Precipitation
0.76 in
Record high
107°FAug 4, 1994
Record low
39°FAug 21, 1924
Chance of a freeze
0%
Days of 90°F or more
18.4
Daylight
14 h 17 min to 13 h 06 min
Cloud cover
43%
Humidity
37%
Dew point
42°F
Wind
6.5 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 194°F65°F105°F 202648°F 191717%0%
Aug 294°F65°F105°F 202047°F 192817%0%
Aug 394°F65°F103°F 202044°F 192817%0%
Aug 494°F65°F107°F 199450°F 192317%0%
Aug 594°F65°F105°F 199448°F 192817%0%
Aug 693°F64°F103°F 202445°F 192317%0%
Aug 793°F64°F104°F 199445°F 191817%0%
Aug 893°F64°F104°F 199045°F 192417%0%
Aug 993°F64°F101°F 202649°F 200917%0%
Aug 1093°F64°F100°F 198244°F 198517%0%
Aug 1193°F64°F101°F 200350°F 192917%0%
Aug 1292°F63°F101°F 199645°F 198517%0%
Aug 1392°F63°F102°F 199645°F 198517%0%
Aug 1492°F63°F101°F 202147°F 191917%0%
Aug 1592°F63°F99°F 200746°F 198517%0%
Aug 1692°F63°F100°F 199445°F 192517%0%
Aug 1791°F62°F101°F 202045°F 192717%0%
Aug 1891°F62°F103°F 202043°F 191817%0%
Aug 1991°F62°F102°F 202545°F 191817%0%
Aug 2091°F62°F101°F 202545°F 191817%0%
Aug 2190°F61°F102°F 202539°F 192418%0%
Aug 2290°F61°F100°F 202040°F 191818%0%
Aug 2390°F61°F100°F 202041°F 192818%0%
Aug 2490°F61°F101°F 201144°F 192818%0%
Aug 2589°F60°F101°F 198540°F 198918%0%
Aug 2689°F60°F102°F 198541°F 199218%0%
Aug 2789°F60°F100°F 202041°F 199218%0%
Aug 2889°F60°F98°F 200144°F 192318%0%
Aug 2988°F59°F99°F 202343°F 192018%0%
Aug 3088°F59°F98°F 198543°F 192818%0%
Aug 3188°F59°F98°F 199540°F 192018%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at American Fork, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 6:25 AM, sunset 8:42 PM
August 31
sunrise 6:54 AM, sunset 8:00 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00426919 (Pleasant Grove), public domain. Records: NOAA GHCN-Daily, station USC00427064, 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.