Vienna, Maryland Weather
Honeysuckle sweetens the night. Day 89 of spring. Read this microseason across nine climate regions →
Vienna weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast——75°61°—
- WednesdayJun 17Thunderstorm24%—87°62°+12°
- ThursdayJun 18Light Drizzle48%—94°73°+7°
- FridayJun 19Overcast57%—83°69°-11°
- SaturdayJun 20Overcast——80°64°-3°
- SundayJun 21Light Drizzle11%0.01″84°61°+4°
- MondayJun 22Light Drizzle53%0.07″71°59°-13°
AQI 43 (Good), driven by Ozone. AQI up 12 over the last 6 hours (gradual rise). Ozone at AQI 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 1.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 5.4 µg/m³, PM10 at 6.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 0h 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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:50 AM
- Moonset
- 9:43 PM
- In sign
- ♋︎ Cancer
Honeysuckle sweetens the night
Vienna at a glance
- Today vs. normal: 75°F — typical for the season
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Vienna
- Tue75°61°1%
- Wed87°62°24%
- Thu94°73°48%
- Fri83°69°57%
- Sat80°64°6%
- Sun84°61°11%
- Mon71°59°53%
- Tue82°56°53%
- Wed86°60°10%
- Thu89°64°15%
- Fri93°69°15%
- Sat92°69°30%
- Sun99°71°36%
- Mon101°73°39%
- Tue96°75°38%
- Wed97°73°42%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 day after tomorrow.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3SLGTSlight Risk
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