Mechanicsville, Virginia Weather
Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →
Mechanicsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast——93°60°—
- SaturdayJun 6Overcast——95°64°+2°
- SundayJun 7Heavy Drizzle13%0.05″93°70°-2°
- MondayJun 8Overcast——83°63°-10°
- TuesdayJun 9Rain—0.54″67°62°-16°
- WednesdayJun 10Overcast17%—74°65°+7°
- ThursdayJun 11Light Drizzle27%—79°65°+5°
AQI 41 (Good), driven by Ozone. AQI down 14 over the last 6 hours (steady decline since this morning). Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 5 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 1.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 6.9 µg/m³ (AQI 38) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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
- 4:02 AM
- Moonset
- 2:19 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Mechanicsville at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: April 2 (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 — Mechanicsville
SPC has placed Mechanicsville in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.