Basin climate

Basin Weather in August

NOAA 1991-2020 normals for Basin, 0.3 km from Basin

Average highs run from 94°F on August 1 to 86°F on August 31, and lows from 61°F to 53°F. Normal precipitation for the month is 0.32 in over about 4 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 Basin, 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
57°F
Precipitation
0.32 in
Record high
105°FAug 1, 2026
Record low
36°FAug 31, 2005
Chance of a freeze
0%
Days of 90°F or more
17.4
Daylight
14 h 38 min to 13 h 16 min
Cloud cover
45%
Humidity
37%
Dew point
42°F
Wind
6.9 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°F61°F105°F 202648°F 200911%0%
Aug 294°F61°F103°F 202450°F 200611%0%
Aug 394°F61°F105°F 200152°F 200611%0%
Aug 494°F60°F100°F 200144°F 201211%0%
Aug 594°F60°F98°F 200149°F 201211%0%
Aug 694°F60°F104°F 200147°F 201811%0%
Aug 793°F60°F101°F 200548°F 201711%0%
Aug 893°F60°F100°F 201253°F 200911%0%
Aug 993°F59°F100°F 200047°F 202511%0%
Aug 1093°F59°F103°F 202248°F 200211%0%
Aug 1193°F59°F104°F 201846°F 200411%0%
Aug 1292°F59°F105°F 201845°F 200411%0%
Aug 1392°F58°F103°F 200347°F 200411%0%
Aug 1492°F58°F102°F 200346°F 202311%0%
Aug 1592°F58°F105°F 200346°F 200512%0%
Aug 1691°F57°F100°F 200343°F 200912%0%
Aug 1791°F57°F102°F 202041°F 200212%0%
Aug 1891°F57°F100°F 200144°F 200912%0%
Aug 1991°F57°F101°F 202541°F 201512%0%
Aug 2090°F56°F101°F 202545°F 201612%0%
Aug 2190°F56°F101°F 202347°F 201612%0%
Aug 2290°F56°F98°F 200646°F 201512%0%
Aug 2389°F55°F98°F 200638°F 201512%0%
Aug 2489°F55°F98°F 202043°F 201512%0%
Aug 2589°F55°F99°F 200845°F 200512%0%
Aug 2688°F54°F100°F 200741°F 200413%0%
Aug 2788°F54°F99°F 201142°F 200513%0%
Aug 2888°F54°F98°F 201242°F 200413%0%
Aug 2987°F53°F100°F 201242°F 201813%0%
Aug 3087°F53°F98°F 199943°F 200513%0%
Aug 3186°F53°F98°F 202236°F 200513%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Basin, in percent, and of at least 0.1 inch of snowfall.0510151102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 5:59 AM, sunset 8:37 PM
August 31
sunrise 6:34 AM, sunset 7:50 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00480540 (Basin), public domain. Records: NOAA GHCN-Daily, station USW00024048, 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.