Vienna, Maryland Weather
Queen Anne's lace lines the roads. Day 16 of summer. Read this microseason across nine climate regions →
Vienna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast29%—94°74°—
- MondayJul 6Heavy Showers53%1.2″92°75°-2°
- TuesdayJul 7Rain55%0.22″85°73°-7°
- WednesdayJul 8Drizzle50%0.01″83°69°-2°
- ThursdayJul 9Heavy Showers32%2.7″90°68°+7°
- FridayJul 10Light Showers32%0.14″92°69°+2°
- SaturdayJul 11Light Drizzle27%—87°70°-5°
AQI 85 (Moderate), driven by Ozone. AQI up 22 in the last 6 hours — air quality is degrading. Ozone at AQI 34 now. With UV 0.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6.
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 34 now. With UV 0.1 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6.
- Present
- AQI 34
- UV peak
- 0.1 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 6
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
- 11:43 PM
- Moonset
- 12:19 PM
- In sign
- ♓︎ Pisces
Queen Anne's lace lines the roads
Vienna at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 21869
16-Day Forecast — Vienna
- Sun94°74°29%
- Mon92°75°53%
- Tue85°73°55%
- Wed83°69°50%
- Thu90°68°32%
- Fri92°69°32%
- Sat87°70°27%
- Sun84°70°18%
- Mon93°71°19%
- Tue93°75°17%
- Wed84°65°12%
- Thu83°65°28%
- Fri86°68°32%
- Sat73°68°29%
- Sun81°68°25%
- Mon82°69°32%
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 — Vienna
SPC has placed Vienna in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Vienna
- 21869