Kalispell climate

Kalispell Weather in August

NOAA 1991-2020 normals for Kalispell Glacier AP, 12.6 km from Kalispell

Average highs run from 86°F on August 1 to 77°F on August 31, and lows from 48°F to 42°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 Kalispell, 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
0.76 in
Record high
105°FAug 4, 1961
Record low
30°FAug 25, 1910
Chance of a freeze
20%
Days of 90°F or more
6.1
Daylight
15 h 00 min to 13 h 26 min
Cloud cover
45%
Humidity
51%
Dew point
44°F
Wind
4.3 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°F48°F101°F 201537°F 195320%0%
Aug 285°F48°F99°F 196136°F 196320%0%
Aug 385°F48°F101°F 196138°F 190020%0%
Aug 485°F48°F105°F 196132°F 189620%0%
Aug 585°F48°F103°F 196138°F 202620%0%
Aug 685°F48°F95°F 196337°F 198020%0%
Aug 785°F48°F96°F 198335°F 196920%0%
Aug 884°F47°F98°F 193037°F 191720%0%
Aug 984°F47°F98°F 200035°F 191420%0%
Aug 1084°F47°F100°F 201837°F 194720%0%
Aug 1184°F47°F98°F 197138°F 199721%0%
Aug 1283°F47°F97°F 197135°F 200021%0%
Aug 1383°F47°F97°F 201534°F 200521%0%
Aug 1483°F46°F96°F 199233°F 194921%0%
Aug 1582°F46°F98°F 202136°F 201721%0%
Aug 1682°F46°F98°F 196235°F 190521%0%
Aug 1782°F46°F100°F 202332°F 196921%0%
Aug 1881°F45°F99°F 200833°F 197322%0%
Aug 1981°F45°F97°F 196734°F 199622%0%
Aug 2081°F45°F96°F 189832°F 200022%0%
Aug 2180°F45°F95°F 196933°F 196622%0%
Aug 2280°F45°F96°F 196933°F 200022%0%
Aug 2380°F44°F98°F 196931°F 196222%0%
Aug 2479°F44°F103°F 196933°F 199222%0%
Aug 2579°F44°F99°F 198130°F 191023%0%
Aug 2678°F44°F98°F 198132°F 199123%0%
Aug 2778°F43°F95°F 197133°F 199523%0%
Aug 2878°F43°F93°F 198630°F 200023%0%
Aug 2977°F43°F95°F 197231°F 196923%0%
Aug 3077°F43°F94°F 192931°F 195923%0%
Aug 3177°F42°F92°F 192931°F 199924%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Kalispell, 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 (MDT).

August 1
sunrise 6:13 AM, sunset 9:13 PM
August 31
sunrise 6:54 AM, sunset 8:20 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00244558 (Kalispell Glacier AP), public domain. Records: NOAA GHCN-Daily, station USC00244558, 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.