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Weather & Climate in Astoria, OR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Astoria experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 44°F in January while summers reach 61°F in July / relatively mild seasonal variation. The area gets 226 sunny days per year, above the national average. Annual precipitation totals 70.3 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 102 feet.
Temperature
44°F Jan (7°C)
61°F Jul (16°C)
| Annual Average | 51.4°F |
| 5% below US avg | |
| January Average | 44°F (7°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 226 days/yr |
Geography
| Elevation | 102 ft (31 m) |
| Area | 6.1 sq mi (15.8 km²) |
| Population Density | 1,663/sq mi |
| Coordinates | 46.1874°N, 123.8151°W |
| Timezone | America/Los_Angeles |
| County | Clatsop County County |
| Nearest Airport | Astoria Regional (AST) 4 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.1 / 100 |
| Social Vulnerability | 67.2 / 100 |
| Community Resilience | 74.6 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Coastal Flood | Very High |
| Tsunami | Very High |
| Volcano | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
927 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.8.
| Feb 28, 2001 | 7 km SSE of Longbranch, Washington | M6.8 | 135 km | 52 km |
| Jul 3, 1999 | 8 km N of Satsop, Washington | M5.8 | 102 km | 40 km |
| Jun 10, 2001 | 18 km N of Satsop, Washington | M5.0 | 112 km | 40 km |
| Jul 22, 2001 | 4 km WSW of DuPont, Washington | M4.3 | 132 km | 52 km |
| Feb 14, 2011 | 31 km S of Morton, Washington | M4.3 | 124 km | 4 km |
| Jun 15, 1994 | 1 km WNW of Hoodsport, Washington | M4.0 | 145 km | 44 km |
| Apr 24, 2003 | 3 km NW of North Portland, Oregon | M3.9 | 104 km | 17 km |
| Oct 1, 2004 | 37 km NNE of Amboy, Washington | M3.9 | 125 km | -1 km |
| Jan 3, 2018 | 37 km SSE of Morton, Washington | M3.9 | 136 km | 10 km |
| Feb 8, 1995 | 9 km ESE of Hubbard, Oregon | M3.8 | 145 km | 24 km |
| Aug 3, 2006 | 2 km WNW of Cherry Grove, Washington | M3.8 | 103 km | 14 km |
| Jun 12, 2021 | 3 km WSW of Skokomish, Washington | M3.8 | 134 km | 44 km |
| Aug 23, 2013 | 24 km SSE of Mossyrock, Washington | M3.7 | 111 km | 14 km |
| Oct 1, 2004 | 36 km NNE of Amboy, Washington | M3.7 | 125 km | -2 km |
| Jul 31, 2016 | 12 km NNE of Aberdeen Gardens, Washington | M3.7 | 109 km | 35 km |
| Jan 31, 2013 | 3 km ENE of Amboy, Washington | M3.7 | 113 km | 6 km |
| Jul 31, 2006 | 37 km NNE of Amboy, Washington | M3.6 | 125 km | -1 km |
| Jul 25, 2006 | 37 km NNE of Amboy, Washington | M3.6 | 125 km | -1 km |
| Feb 24, 1999 | 8 km WSW of Molalla, Oregon | M3.6 | 148 km | 34 km |
| Oct 1, 2004 | 37 km NNE of Amboy, Washington | M3.6 | 125 km | -1 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
36 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 3 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Oct 14, 2016 | EF2 | 53 km | 0.7 mi | 0 |
| Nov 10, 1965 | EF2 | 90 km | 1.5 mi | 0 |
| Oct 23, 2014 | EF1 | 67 km | 1.3 mi | 0 |
| May 27, 2004 | EF1 | 99 km | 0.2 mi | 0 |
| Jun 29, 1989 | EF1 | 95 km | 1.6 mi | 0 |
| Mar 28, 1985 | EF1 | 71 km | 0.2 mi | 0 |
| Oct 13, 1984 | EF1 | 87 km | 3.0 mi | 0 |
| Aug 16, 1978 | EF1 | 85 km | 0.2 mi | 0 |
| Dec 12, 1975 | EF1 | 82 km | 2.0 mi | 0 |
| Oct 3, 1967 | EF1 | 11 km | 0.5 mi | 0 |
| Nov 11, 2024 | EF0 | 64 km | 0.3 mi | 0 |
| Oct 28, 2024 | EF0 | 64 km | 0.2 mi | 0 |
| Oct 11, 2023 | EF0 | 94 km | 0.5 mi | 0 |
| Mar 19, 2021 | EF0 | 21 km | 0.3 mi | 0 |
| Nov 10, 2020 | EF0 | 83 km | 1.7 mi | 0 |
| Sep 8, 2019 | EF0 | 97 km | 0.1 mi | 0 |
| Oct 29, 2018 | EF0 | 87 km | 0.1 mi | 0 |
| May 27, 2011 | EF0 | 83 km | 0.1 mi | 0 |
| Oct 25, 2010 | EF0 | 89 km | 0.0 mi | 0 |
| Sep 13, 2004 | EF0 | 91 km | 1.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 250.0 m (820 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1980 | WASHINGTON | Explosion | 250.0 m | 61 | 126 km |
| 1949 | PUGET SOUND, WA | Eruption + Earthquake | — | 8 | 142 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
6 volcanoes within 200 km. Closest: St. Helens (126 km).
| Name | Type | Elevation | Last Eruption | Distance |
| St. Helens | Stratovolcano | 2,549 m (8,363 ft) | 2008 | 126 km |
| West Crater | Volcanic field | 1,329 m (4,360 ft) | -5750 | 138 km |
| Indian Heaven | Shield(s) | 1,806 m (5,925 ft) | -6250 | 157 km |
| Rainier | Stratovolcano | 4,392 m (14,409 ft) | 1450 | 174 km |
| Adams | Stratovolcano | 3,742 m (12,277 ft) | 950 | 179 km |
| Hood | Stratovolcano | 3,426 m (11,240 ft) | 1866 | 188 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 12.6 in | |
| February | 43°F (6°C) | 10.2 in | |
| March | 45°F (7°C) | 9.2 in | |
| April | 48°F (9°C) | 6.2 in | |
| May | 53°F (11°C) | 4.0 in | |
| June | 56°F (14°C) | 3.0 in | |
| July | 61°F (16°C) | 1.5 in | Driest |
| August | 61°F (16°C) | 1.7 in | Warmest |
| September | 59°F (15°C) | 3.6 in | |
| October | 52°F (11°C) | 7.3 in | |
| November | 45°F (7°C) | 12.9 in | |
| December | 41°F (5°C) | 13.5 in | Coldest, Wettest |
Astoria has a seasonal temperature swing of 20°F / from 41°F in December to 61°F in August. Total annual precipitation is 85.9 inches, with December being the wettest month (13.5") and July the driest (1.5").