Free Union, Virginia Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Free Union weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——93°59°—
- SaturdayJun 6Overcast——95°68°+2°
- SundayJun 7Light Drizzle18%—88°67°-7°
- MondayJun 8Overcast——84°61°-4°
- TuesdayJun 9Overcast——76°55°-8°
- WednesdayJun 10Light Drizzle21%0.04″69°62°-7°
- ThursdayJun 11Light Drizzle21%0.02″70°67°+1°
AQI 46 (Good), driven by Ozone. AQI down 17 over the last 6 hours — air quality is improving sharply. Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.
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 32. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 5.0 µg/m³ (AQI 28) with a 0.91 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:09 AM
- Moonset
- 2:23 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Free Union at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: April 5 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Free Union
SPC has placed Free Union in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- 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.