Sweet Home climate

Sweet Home Weather in August

NOAA 1991-2020 normals for Foster Dam, 5.3 km from Sweet Home

Average highs run from 84°F on August 1 to 80°F on August 31, and lows from 52°F to 49°F. Normal precipitation for the month is 0.64 in over about 3 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 Sweet Home, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
50°F
Precipitation
0.64 in
Record high
108°FAug 10, 1981
Record low
37°FAug 22, 1973
Chance of a freeze
0%
Days of 90°F or more
6.6
Daylight
14 h 38 min to 13 h 16 min
Cloud cover
32%
Humidity
66%
Dew point
50°F
Wind
3.6 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 184°F52°F102°F 201540°F 18957%0%
Aug 284°F52°F101°F 193941°F 18958%0%
Aug 384°F51°F104°F 201740°F 18958%0%
Aug 484°F51°F103°F 201742°F 19038%0%
Aug 584°F51°F100°F 201241°F 19098%0%
Aug 684°F51°F102°F 190240°F 18938%0%
Aug 784°F51°F103°F 197240°F 18938%0%
Aug 884°F51°F105°F 197240°F 18958%0%
Aug 984°F51°F104°F 198141°F 19018%0%
Aug 1084°F51°F108°F 198142°F 19039%0%
Aug 1183°F51°F105°F 198141°F 19089%0%
Aug 1283°F51°F103°F 197743°F 18999%0%
Aug 1383°F51°F104°F 197740°F 19729%0%
Aug 1483°F51°F104°F 200239°F 18939%0%
Aug 1583°F51°F103°F 202342°F 195510%0%
Aug 1683°F50°F103°F 202341°F 190910%0%
Aug 1783°F50°F103°F 202340°F 189510%0%
Aug 1883°F50°F99°F 190440°F 191311%0%
Aug 1982°F50°F99°F 195139°F 197311%0%
Aug 2082°F50°F102°F 201641°F 192211%0%
Aug 2182°F50°F99°F 195040°F 198512%0%
Aug 2282°F50°F99°F 194237°F 197312%0%
Aug 2382°F50°F97°F 189841°F 197313%0%
Aug 2482°F50°F100°F 198839°F 192113%0%
Aug 2582°F49°F99°F 191637°F 190013%0%
Aug 2681°F49°F99°F 193539°F 195714%0%
Aug 2781°F49°F99°F 193540°F 191014%0%
Aug 2881°F49°F100°F 193139°F 195715%0%
Aug 2981°F49°F98°F 194438°F 201015%0%
Aug 3081°F49°F99°F 191839°F 190716%0%
Aug 3180°F49°F96°F 189337°F 191416%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sweet Home, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 5:58 AM, sunset 8:36 PM
August 31
sunrise 6:33 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 USC00353047 (Foster Dam), public domain. Records: NOAA GHCN-Daily, station USC00351862, 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.