Northwest climate

Northwest Weather in August

NOAA 1991-2020 normals for Wilmington 7 N, 22.1 km from Northwest

Average highs run from 89°F on August 1 to 86°F on August 31, and lows from 71°F to 68°F. Normal precipitation for the month is 7.81 in over about 13 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 Northwest, in °F, with the record for each date.5060708090100110151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
88°F
Average low
70°F
Precipitation
7.81 in
Record high
103°FAug 1, 1999
Record low
55°FAug 7, 2004
Chance of a freeze
0%
Days of 90°F or more
15.7
Daylight
13 h 50 min to 12 h 55 min
Cloud cover
59%
Humidity
79%
Dew point
71°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 189°F71°F103°F 199960°F 201743%0%
Aug 289°F71°F98°F 201162°F 196643%0%
Aug 388°F71°F99°F 198064°F 202343%0%
Aug 488°F70°F99°F 195462°F 198543%0%
Aug 588°F70°F102°F 195464°F 201343%0%
Aug 688°F70°F99°F 196861°F 200443%0%
Aug 788°F70°F99°F 196855°F 200443%0%
Aug 888°F70°F99°F 201159°F 195743%0%
Aug 988°F70°F99°F 195160°F 199742%0%
Aug 1088°F70°F98°F 200762°F 195042%0%
Aug 1188°F70°F97°F 198062°F 200242%0%
Aug 1288°F70°F98°F 201061°F 197442%0%
Aug 1388°F70°F99°F 199562°F 196242%0%
Aug 1488°F70°F97°F 197561°F 198342%0%
Aug 1588°F70°F97°F 196860°F 195041%0%
Aug 1688°F70°F99°F 195462°F 197941%0%
Aug 1788°F70°F99°F 195459°F 197941%0%
Aug 1888°F70°F99°F 196860°F 197941%0%
Aug 1987°F70°F96°F 197863°F 194841%0%
Aug 2087°F69°F98°F 198361°F 199840%0%
Aug 2187°F69°F100°F 196860°F 195340%0%
Aug 2287°F69°F100°F 198360°F 202440%0%
Aug 2387°F69°F100°F 196860°F 196940%0%
Aug 2487°F69°F98°F 200260°F 195339%0%
Aug 2587°F69°F96°F 196858°F 195239%0%
Aug 2687°F69°F96°F 195459°F 195239%0%
Aug 2787°F69°F96°F 196561°F 198438%0%
Aug 2886°F69°F96°F 199057°F 198638%0%
Aug 2986°F69°F96°F 199357°F 196838%0%
Aug 3086°F68°F95°F 202155°F 198238%0%
Aug 3186°F68°F96°F 197059°F 197637%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Northwest, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:24 AM, sunset 8:14 PM
August 31
sunrise 6:45 AM, sunset 7:40 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00319467 (Wilmington 7 N), public domain. Records: NOAA GHCN-Daily, station USW00013748, 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.