Mason Neck, Virginia Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mason Neck weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle55%0.01″102°81°—
- SundayJul 5Rain55%0.15″98°75°-4°
- MondayJul 6Heavy Drizzle82%0.07″90°72°-8°
- TuesdayJul 7Thunderstorm82%0.05″88°68°-2°
- WednesdayJul 8Heavy Showers40%1.6″80°70°-8°
- ThursdayJul 9Partly Cloudy12%—95°67°+15°
- FridayJul 10Light Drizzle41%0.02″98°71°+3°
AQI 108 (Unhealthy for Sensitive Groups), driven by PM2.5. AQI up 53 in the last 6 hours — air quality is degrading. PM2.5 at 12.1 µg/m³, PM10 at 12.6 µg/m³ — typical background levels with no transport signature.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 50. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 50
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 12.1 µg/m³, PM10 at 12.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- breezy
- Recent rain
- 1h in last 6h
- Pattern
- background
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
- 11:00 PM
- Moonset
- 10:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mason Neck at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Mason Neck
- Sat102°81°55%
- Sun98°75°55%
- Mon90°72°82%
- Tue88°68°82%
- Wed80°70°40%
- Thu95°67°12%
- Fri98°71°41%
- Sat96°69°39%
- Sun83°68°29%
- Mon82°66°22%
- Tue89°63°19%
- Wed93°67°41%
- Thu93°68°43%
- Fri87°71°43%
- Sat98°70°39%
- Sun91°69°37%
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 — Mason Neck
SPC has placed Mason Neck 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 Mason Neck
- 22079