Ashburn, Missouri Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Ashburn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——80°53°—
- TuesdayJun 16Overcast26%—82°58°+2°
- WednesdayJun 17Thunderstorm75%—89°59°+7°
- ThursdayJun 18Overcast69%—73°58°-16°
- FridayJun 19Overcast——74°52°+1°
- SaturdayJun 20Drizzle20%—76°59°+2°
- SundayJun 21Heavy Drizzle48%0.11″71°64°-5°
AQI 28 (Good), driven by PM2.5. AQI down 10 over the last 6 hours (gradual decline). PM2.5 at 8.1 µg/m³ (AQI 45) with a 0.94 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
PM × Wind × Precip
PM2.5 at 8.1 µg/m³ (AQI 45) with a 0.94 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:40 AM
- Moonset
- 8:50 PM
- In sign
- ♊︎ Gemini
Sun climbs to its northern throne
Ashburn at a glance
- Today vs. normal: 20°F below the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Ashburn
- Mon80°53°0%
- Tue82°58°26%
- Wed89°59°75%
- Thu73°58°69%
- Fri74°52°1%
- Sat76°59°20%
- Sun71°64°48%
- Mon75°58°47%
- Tue74°63°13%
- Wed83°63°13%
- Thu89°69°15%
- Fri92°73°35%
- Sat93°74°23%
- Sun93°74°20%
- Mon92°77°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Ashburn
SPC has placed Ashburn in the Enhanced Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3ENHEnhanced Risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Ashburn
- 63433