Lake Marcel-Stillwater climate

Lake Marcel-Stillwater Weather in August

NOAA 1991-2020 normals for Tolt S Fk Rsvr, 16.8 km from Lake Marcel-Stillwater

Average highs run from 74°F on August 1 to 70°F on August 31, and lows from 55°F to 53°F. Normal precipitation for the month is 2.41 in over about 9 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 Lake Marcel-Stillwater, in °F, with the record for each date.406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
72°F
Average low
54°F
Precipitation
2.41 in
Record high
98°FAug 16, 2020
Record low
47°FAug 24, 2003
Chance of a freeze
0%
Days of 90°F or more
1.8
Daylight
14 h 57 min to 13 h 25 min
Cloud cover
43%
Humidity
77%
Dew point
54°F
Wind
2.9 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 174°F55°F91°F 201550°F 200226%0%
Aug 274°F55°F91°F 200952°F 200526%0%
Aug 374°F55°F92°F 201750°F 200226%0%
Aug 474°F55°F94°F 201754°F 200726%0%
Aug 574°F55°F93°F 201252°F 200626%0%
Aug 674°F55°F87°F 201854°F 200226%0%
Aug 774°F55°F90°F 201852°F 200226%0%
Aug 874°F55°F93°F 201852°F 200227%0%
Aug 973°F55°F92°F 200451°F 202027%0%
Aug 1073°F55°F89°F 202555°F 202027%0%
Aug 1173°F54°F93°F 201450°F 200727%0%
Aug 1273°F54°F93°F 202150°F 200027%0%
Aug 1373°F54°F93°F 202150°F 202027%0%
Aug 1473°F54°F93°F 201051°F 200027%0%
Aug 1573°F54°F94°F 202352°F 200028%0%
Aug 1673°F54°F98°F 202050°F 200028%0%
Aug 1772°F54°F93°F 202351°F 200028%0%
Aug 1872°F54°F87°F 201652°F 200228%0%
Aug 1972°F54°F93°F 201653°F 200229%0%
Aug 2072°F54°F92°F 201651°F 200129%0%
Aug 2172°F54°F89°F 201852°F 200030%0%
Aug 2272°F53°F89°F 201852°F 201530%0%
Aug 2371°F53°F90°F 202551°F 200331%0%
Aug 2471°F53°F89°F 202547°F 200331%0%
Aug 2571°F53°F91°F 202251°F 200132%0%
Aug 2671°F53°F91°F 201652°F 200932%0%
Aug 2771°F53°F90°F 200951°F 200933%0%
Aug 2871°F53°F88°F 200248°F 200034%0%
Aug 2970°F53°F88°F 201749°F 201034%0%
Aug 3070°F53°F88°F 202250°F 202035%0%
Aug 3170°F53°F88°F 202248°F 200635%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lake Marcel-Stillwater, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 5:45 AM, sunset 8:42 PM
August 31
sunrise 6:25 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 USC00458508 (Tolt S Fk Rsvr), public domain. Records: NOAA GHCN-Daily, station USW00094248, 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.