Weather StoryAlmanac, microseasons, and the day's weather story.

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

Vienna, MD
Sunday, July 5 at 8:33 PM
87
°
Overcast
Feels like
94°
Humidity
64%
Wind
5 mph
Sunrise
1:45 AM
Sunset
4:30 PM
Vienna, MD
Hour by hour · 24h
24-Hour ForecastVienna, MD: 24-hour forecast. Temperatures range from 75 to 92 degrees Fahrenheit with a 53% chance of precipitation at 6 PM.
L 75°H 92°
Vienna, MD
7-day forecast
  1. Today
    Jul 5
    Overcast
    29%
    94°74°
  2. Monday
    Jul 6
    Heavy Showers
    53%
    1.2″
    92°75°-2°
  3. Tuesday
    Jul 7
    Rain
    55%
    0.22″
    85°73°-7°
  4. Wednesday
    Jul 8
    Drizzle
    50%
    0.01″
    83°69°-2°
  5. Thursday
    Jul 9
    Heavy Showers
    32%
    2.7″
    90°68°+7°
  6. Friday
    Jul 10
    Light Showers
    32%
    0.14″
    92°69°+2°
  7. Saturday
    Jul 11
    Light Drizzle
    27%
    87°70°-5°
Vienna, MD
Anemometer · 24h winds · from true
NESW
From · True
SSE
150° · backing 147°
Direction
SSE
150°
Sustained
5
mph
Gust
14
mph
Peak 24h
19
avg 5 mph
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 mph · pk 19 mph @ 10:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2313SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 147° from the sse.
Vienna, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.1
-0.4 mb in 3h · steady · 29.86 inHg
Now
1011.1
mb
3h
-0.4
mb
12h
-3.1
mb
24h
-1.7
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10111015
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1015.21011.31011.3
Air sits at the threshold — small shifts decide the day.
Vienna, MD
Air quality
85
AQI
Moderate
+22 in 6h

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.

PM 2.5Good
3.6μg/m³
PM 10Good
5μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
72μg/m³
UV IndexLow
0.1

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
Vienna, MD
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
40.8mi
UNLIMITED
65 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
00:33 UTC · Vienna, MD · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
00:33 UTC · Vienna, MD · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Vienna, MD
Satellite · infrared · animated
Vienna, MD
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Vienna, MD
Almanac · Sunday, July 5
When the stars begin to huddle, the earth will soon become a puddle.
Civil dawn
5:14 AM
Sunrise
1:45 AM
Daylight
14h 45m
Sunset
4:30 PM
Civil dusk
9:03 PM
Planting note
Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
Vienna, MD
The moon
Waning Gibbous
68% illuminated
Moonrise
11:43 PM
Moonset
12:19 PM
In sign
♓︎ Pisces
Vienna, MD
Microseason
Jul 6–10

Queen Anne's lace lines the roads

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Sun94°74°29%
  2. Mon92°75°53%
  3. Tue85°73°55%
  4. Wed83°69°50%
  5. Thu90°68°32%
  6. Fri92°69°32%
  7. Sat87°70°27%
  8. Sun84°70°18%
  9. Mon93°71°19%
  10. Tue93°75°17%
  11. Wed84°65°12%
  12. Thu83°65°28%
  13. Fri86°68°32%
  14. Sat73°68°29%
  15. Sun81°68°25%
  16. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.