Astoria, South Dakota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Astoria weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle35%0.09″86°63°—
- SundayJul 5Overcast——85°64°-1°
- MondayJul 6Light Drizzle16%—88°65°+3°
- TuesdayJul 7Light Showers40%—90°66°+2°
- WednesdayJul 8Heavy Showers56%1.1″76°65°-14°
- ThursdayJul 9Drizzle21%0.07″78°59°+2°
- FridayJul 10Light Drizzle16%—73°60°-5°
AQI 44 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.6 µg/m³ (AQI 54) with a 0.79 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 48 now. With UV 6.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 40 around 1 PM.
- Present
- AQI 48
- UV peak
- 6.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 40
PM × Wind × Precip
PM2.5 at 10.6 µg/m³ (AQI 54) with a 0.79 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.79
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:28 PM
- Moonset
- 10:27 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Astoria at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 57213
16-Day Forecast — Astoria
- Sat86°63°35%
- Sun85°64°3%
- Mon88°65°16%
- Tue90°66°40%
- Wed76°65°56%
- Thu78°59°21%
- Fri73°60°16%
- Sat77°57°16%
- Sun80°60°11%
- Mon84°61°8%
- Tue88°63°7%
- Wed92°65°12%
- Thu88°69°11%
- Fri80°60°14%
- Sat73°57°16%
- Sun83°56°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Astoria
SPC has placed Astoria in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Astoria
- 57213