Round Hill, Virginia Weather
Queen Anne's lace lines the roads. Day 16 of summer. Read this microseason across nine climate regions →
Round Hill weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Drizzle56%0.02″94°70°—
- MondayJul 6Heavy Rain55%0.50″90°72°-4°
- TuesdayJul 7Showers52%0.08″81°68°-9°
- WednesdayJul 8Drizzle34%0.03″80°67°-1°
- ThursdayJul 9T-storm w/ Hail60%0.99″88°68°+8°
- FridayJul 10Light Drizzle40%—87°68°-1°
- SaturdayJul 11Light Drizzle25%—84°68°-3°
AQI 90 (Moderate), driven by PM2.5. AQI down 17 over the last 6 hours — air quality is improving sharply. PM scrubbed by 4 hours of recent rain — PM2.5 down to 17.9 µg/m³, PM10 to 18.5 µg/m³.
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 39. Overcast through the UV peak window (cloud cover ~97%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 17.9 µg/m³, PM10 to 18.5 µg/m³.
- PM2.5/PM10
- 0.97
- Wind
- breezy
- Recent rain
- 4h in last 6h
- Pattern
- washed out
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).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:51 PM
- Moonset
- 12:28 PM
- In sign
- ♓︎ Pisces
Queen Anne's lace lines the roads
Round Hill at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 20141
16-Day Forecast — Round Hill
- Sun94°70°56%
- Mon90°72°55%
- Tue81°68°52%
- Wed80°67°34%
- Thu88°68°60%
- Fri87°68°40%
- Sat84°68°25%
- Sun86°69°29%
- Mon93°69°23%
- Tue91°69°13%
- Wed83°60°14%
- Thu80°58°38%
- Fri85°63°40%
- Sat69°65°25%
- Sun78°64°23%
- Mon80°65°20%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Round Hill
SPC has placed Round Hill in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal 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 Round Hill
- 20141
- 20142