Sterling, Virginia Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sterling weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle26%0.01″103°77°—
- SundayJul 5Heavy Rain75%2.6″101°73°-2°
- MondayJul 6Showers75%0.03″90°69°-11°
- TuesdayJul 7Showers74%—87°69°-3°
- WednesdayJul 8Overcast26%—87°65°0°
- ThursdayJul 9Overcast28%—97°68°+10°
- FridayJul 10Light Drizzle31%—86°72°-11°
AQI 55 (Moderate), driven by PM2.5. AQI down 8 over the last 6 hours (gradual decline). PM2.5 at 15.1 µg/m³ (AQI 62) with a 0.90 fine-to-coarse ratio and 5 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 15.1 µg/m³ (AQI 62) with a 0.90 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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
- 11:01 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sterling at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- 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
- Sat103°77°26%
- Sun101°73°75%
- Mon90°69°75%
- Tue87°69°74%
- Wed87°65°26%
- Thu97°68°28%
- Fri86°72°31%
- Sat91°68°39%
- Sun90°70°31%
- Mon89°68°15%
- Tue96°75°12%
- Wed82°65°21%
- Thu89°62°23%
- Fri95°66°26%
- Sat77°70°29%
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 — Sterling
SPC has placed Sterling in the Enhanced Risk category for severe thunderstorms today.
- TODAYENHEnhanced Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
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 Sterling
- 20164
- 20167