Ashburn, Georgia Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Ashburn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Mostly Clear——95°74°—
- SundayJul 5Overcast22%—95°76°0°
- MondayJul 6Overcast22%—94°74°-1°
- TuesdayJul 7Thunderstorm22%—91°73°-3°
- WednesdayJul 8Drizzle27%—93°74°+2°
- ThursdayJul 9Light Drizzle26%—92°74°-1°
- FridayJul 10Light Drizzle24%—95°73°+3°
AQI 39 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.84 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 30 now. With UV 3.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 30
- UV peak
- 3.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.84 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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
- 11:18 PM
- Moonset
- 10:48 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Ashburn at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: February 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 31714
16-Day Forecast — Ashburn
- Sat95°74°4%
- Sun95°76°22%
- Mon94°74°22%
- Tue91°73°22%
- Wed93°74°27%
- Thu92°74°26%
- Fri95°73°24%
- Sat95°76°27%
- Sun95°76°36%
- Mon83°72°27%
- Tue79°69°18%
- Wed74°69°34%
- Thu84°69°38%
- Fri79°73°42%
- Sat91°73°48%
- Sun92°75°52%
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 — Ashburn
SPC includes Ashburn in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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
- 31714