Sterling, Virginia Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Sterling weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle36%0.02″96°72°—
- MondayJul 6Showers84%1.1″90°74°-6°
- TuesdayJul 7Heavy Drizzle84%0.02″80°70°-10°
- WednesdayJul 8Drizzle44%0.02″76°68°-4°
- ThursdayJul 9Overcast32%—95°67°+19°
- FridayJul 10Light Drizzle53%—96°72°+1°
- SaturdayJul 11Light Drizzle32%—83°69°-13°
AQI 45 (Good), driven by PM2.5. AQI down 36 over the last 6 hours — air quality is improving sharply. PM2.5 at 10.4 µg/m³ (AQI 53) with a 0.96 fine-to-coarse ratio and 3 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 10.4 µg/m³ (AQI 53) with a 0.96 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 11:26 PM
- Moonset
- 11:19 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sterling at a glance
- Today vs. normal: 75°F — typical for the season
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 20164, 20165, 20166
15-Day Forecast — Sterling
- Sun96°72°36%
- Mon90°74°84%
- Tue80°70°84%
- Wed76°68°44%
- Thu95°67°32%
- Fri96°72°53%
- Sat83°69°32%
- Sun80°66°18%
- Mon85°59°17%
- Tue91°62°11%
- Wed90°66°23%
- Thu89°65°29%
- Fri91°70°27%
- Sat92°70°30%
- Sun87°69°36%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Sterling
SPC has placed Sterling in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYMRGLMarginal Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Sterling
- 20164
- 20167