Henry Fork climate

Henry Fork Weather in August

NOAA 1991-2020 normals for Rocky Mt, 2.6 km from Henry Fork

Average highs run from 86°F on August 1 to 83°F on August 31, and lows from 65°F to 61°F. Normal precipitation for the month is 4.10 in over about 12 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 Henry Fork, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
85°F
Average low
63°F
Precipitation
4.10 in
Record high
102°FAug 22, 1983
Record low
44°FAug 29, 1986
Chance of a freeze
0%
Days of 90°F or more
7.3
Daylight
14 h 01 min to 12 h 59 min
Cloud cover
59%
Humidity
71%
Dew point
62°F
Wind
3.4 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 186°F65°F98°F 199952°F 196642%0%
Aug 286°F65°F95°F 200258°F 196642%0%
Aug 386°F65°F96°F 195554°F 196541%0%
Aug 486°F65°F96°F 196353°F 198541%0%
Aug 586°F65°F95°F 200254°F 197641%0%
Aug 686°F64°F96°F 200250°F 195741%0%
Aug 786°F64°F95°F 195551°F 200441%0%
Aug 886°F64°F97°F 197754°F 200441%0%
Aug 986°F64°F97°F 197755°F 200241%0%
Aug 1086°F64°F96°F 198052°F 198940%0%
Aug 1186°F64°F95°F 195656°F 197240%0%
Aug 1286°F64°F94°F 195850°F 195440%0%
Aug 1386°F64°F97°F 200251°F 197940%0%
Aug 1486°F64°F99°F 200251°F 196440%0%
Aug 1586°F63°F98°F 199550°F 196439%0%
Aug 1686°F63°F97°F 199548°F 197939%0%
Aug 1785°F63°F100°F 195447°F 197939%0%
Aug 1885°F63°F98°F 198847°F 197938%0%
Aug 1985°F63°F99°F 198854°F 197938%0%
Aug 2085°F63°F95°F 198353°F 199838%0%
Aug 2185°F62°F101°F 198351°F 198137%0%
Aug 2285°F62°F102°F 198349°F 198137%0%
Aug 2385°F62°F101°F 198349°F 195637%0%
Aug 2484°F62°F97°F 198350°F 200136%0%
Aug 2584°F62°F96°F 196850°F 197136%0%
Aug 2684°F62°F93°F 195446°F 200136%0%
Aug 2784°F61°F95°F 195446°F 200135%0%
Aug 2884°F61°F94°F 195950°F 200135%0%
Aug 2984°F61°F94°F 197344°F 198635%0%
Aug 3083°F61°F97°F 197344°F 198635%0%
Aug 3183°F61°F95°F 195745°F 198635%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Henry Fork, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:25 AM, sunset 8:26 PM
August 31
sunrise 6:50 AM, sunset 7:49 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00447338 (Rocky Mt), public domain. Records: NOAA GHCN-Daily, station USC00446692, 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.