Seaside weather in August: Seaside, Oregon: normal highs, lows, rain and records for August
Seaside in August has a normal high of 66°F and a normal low of 54°F, a daily mean of 60°F, holding near 66°F all month. Measurable precipitation falls on 7 days in a normal August, 1.20 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 12°C, 30 mm of precipitation in August.
- NOAA stationSeaside
- Station IDUSC00357641
- Location45.99°N 123.92°W
- Elevation10 ft (3 m)
- Population7,110
- Jan 52° 39°
- Feb 53° 38°
- Mar 54° 40°
- Apr 56° 42°
- May 60° 46°
- Jun 62° 50°
- Jul 65° 53°
- Aug 66° 54°
- Sep 67° 50°
- Oct 62° 46°
- Nov 55° 42°
- Dec 51° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Seaside in August?
The normal high is 66°F and the normal low 54°F, for a daily mean of 60.0°F. August is 1.0°F warmer than July and 1.7°F warmer than September. August is the warmest month of the year in Seaside and the 11th wettest. Across the month the normal high rises 1°F, from 66°F on August 1 to 67°F on August 31. From one year to the next August's mean temperature typically moves about 1.3°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 59°F and 61°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 66°F | 54°F | 20% | 7% |
| August 8 | 66°F | 54°F | 21% | 8% |
| August 15 | 66°F | 54°F | 22% | 8% |
| August 22 | 67°F | 53°F | 23% | 10% |
| August 31 | 67°F | 53°F | 26% | 12% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 31, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 66°F | 54°F | 20% | 7% | 14 h 50 min |
| August 2 | 66°F | 54°F | 20% | 7% | 14 h 50 min |
| August 3 | 66°F | 54°F | 20% | 7% | 14 h 50 min |
| August 4 | 66°F | 54°F | 20% | 7% | 14 h 40 min |
| August 5 | 66°F | 54°F | 20% | 7% | 14 h 40 min |
| August 6 | 66°F | 54°F | 20% | 7% | 14 h 40 min |
| August 7 | 66°F | 54°F | 21% | 7% | 14 h 30 min |
| August 8 | 66°F | 54°F | 21% | 8% | 14 h 30 min |
| August 9 | 66°F | 54°F | 21% | 8% | 14 h 30 min |
| August 10 | 66°F | 54°F | 21% | 8% | 14 h 30 min |
| August 11 | 66°F | 54°F | 21% | 8% | 14 h 20 min |
| August 12 | 66°F | 54°F | 21% | 8% | 14 h 20 min |
| August 13 | 66°F | 54°F | 22% | 8% | 14 h 20 min |
| August 14 | 66°F | 54°F | 22% | 8% | 14 h 20 min |
| August 15 | 66°F | 54°F | 22% | 8% | 14 h 10 min |
| August 16 | 66°F | 54°F | 22% | 8% | 14 h 10 min |
| August 17 | 66°F | 54°F | 22% | 8% | 14 h 10 min |
| August 18 | 66°F | 54°F | 22% | 9% | 14 h |
| August 19 | 67°F | 54°F | 23% | 9% | 14 h |
| August 20 | 67°F | 54°F | 23% | 9% | 14 h |
| August 21 | 67°F | 53°F | 23% | 10% | 14 h |
| August 22 | 67°F | 53°F | 23% | 10% | 13 h 50 min |
| August 23 | 67°F | 53°F | 24% | 10% | 13 h 50 min |
| August 24 | 67°F | 53°F | 24% | 10% | 13 h 50 min |
| August 25 | 67°F | 53°F | 24% | 11% | 13 h 40 min |
| August 26 | 67°F | 53°F | 25% | 11% | 13 h 40 min |
| August 27 | 67°F | 53°F | 25% | 11% | 13 h 40 min |
| August 28 | 67°F | 53°F | 25% | 12% | 13 h 30 min |
| August 29 | 67°F | 53°F | 26% | 12% | 13 h 30 min |
| August 30 | 67°F | 53°F | 26% | 12% | 13 h 30 min |
| August 31 | 67°F | 53°F | 26% | 12% | 13 h 20 min |
- Normal high
- 66°FAugust average
- Normal low
- 54°FAugust average
- Precipitation
- 1.20 inmonth total
- Days with precipitation
- 70.01 inch or more
- Daylight
- 14 h 50 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 5
- Days at 80°F or more
- 1
- Sunshine
- 83%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00357641; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Seaside in August?
On a given August day the chance of 0.01 inch or more is 22% on average, highest around August 31 (26%). In all, 1.20 in falls on 7 days of a normal August.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00357641.
What are the records for August in Seaside?
The warmest August temperature on this station's record (since 1930) is 89°F, on August 30, 1968; the coldest is 32°F, on August 31, 1986. The wettest August brought 4.75 in (1968).
Source: records: ACIS, station USC00357641. Records and recent months use complete months only.
How does August in Seaside compare across Oregon?
Across the 105 places PlainClimate covers in Oregon, August normal highs run from 64°F in Newport to 94°F in Cave Junction; Seaside's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.