Clark Fork climate

Clark Fork Weather in August

NOAA 1991-2020 normals for Heron 2 Nw, 14.8 km from Clark Fork

Average highs run from 85°F on August 1 to 77°F on August 31, and lows from 48°F to 43°F. Normal precipitation for the month is 0.89 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 Clark Fork, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
46°F
Precipitation
0.89 in
Record high
102°FAug 16, 2023
Record low
28°FAug 30, 1924
Chance of a freeze
9%
Days of 90°F or more
5.2
Daylight
15 h 00 min to 13 h 27 min
Cloud cover
45%
Humidity
53%
Dew point
45°F
Wind
4.0 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 185°F48°F99°F 202236°F 191719%0%
Aug 285°F48°F98°F 201536°F 192619%0%
Aug 385°F48°F99°F 200935°F 192318%0%
Aug 485°F48°F100°F 196133°F 198718%0%
Aug 585°F48°F96°F 199435°F 191718%0%
Aug 684°F47°F96°F 199835°F 192418%0%
Aug 784°F47°F98°F 193034°F 194618%0%
Aug 884°F47°F100°F 193034°F 193118%0%
Aug 984°F47°F96°F 201935°F 191418%0%
Aug 1084°F47°F96°F 192836°F 193818%0%
Aug 1184°F47°F98°F 201837°F 198519%0%
Aug 1283°F47°F98°F 202136°F 191219%0%
Aug 1383°F47°F96°F 196734°F 192719%0%
Aug 1483°F46°F97°F 193335°F 193119%0%
Aug 1583°F46°F98°F 199235°F 193719%0%
Aug 1682°F46°F102°F 202333°F 202419%0%
Aug 1782°F46°F99°F 196733°F 196919%0%
Aug 1882°F46°F100°F 202330°F 197320%0%
Aug 1981°F46°F99°F 200834°F 192020%0%
Aug 2081°F45°F94°F 200331°F 192920%0%
Aug 2181°F45°F94°F 195834°F 194520%0%
Aug 2280°F45°F95°F 202635°F 192120%0%
Aug 2380°F45°F95°F 197035°F 192121%0%
Aug 2480°F45°F94°F 197032°F 191121%0%
Aug 2579°F45°F96°F 195833°F 192121%0%
Aug 2679°F44°F94°F 202533°F 191122%0%
Aug 2779°F44°F95°F 192235°F 192022%0%
Aug 2878°F44°F96°F 198631°F 192822%0%
Aug 2978°F44°F96°F 191530°F 192522%0%
Aug 3078°F44°F97°F 192928°F 192423%0%
Aug 3177°F43°F93°F 198629°F 192423%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clark Fork, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 5:21 AM, sunset 8:21 PM
August 31
sunrise 6:01 AM, sunset 7:28 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00244084 (Heron 2 Nw), public domain. Records: NOAA GHCN-Daily, station USC00108137, 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.