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

Mount Airy, Maryland Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Mount Airy weather forecast — hour by hour, 7-day outlook, NOAA radar

Mount Airy, MD
Saturday, July 4 at 5:55 PM
98
°
Clear
Feels like
100°
Humidity
31%
Wind
4 mph
Sunrise
1:47 AM
Sunset
4:38 PM
Mount Airy, MD
Hour by hour · 24h
24-Hour ForecastMount Airy, MD: 24-hour forecast. Temperatures range from 74 to 98 degrees Fahrenheit with a 23% chance of precipitation at 4 PM.
L 74°H 98°
Mount Airy, MD
7-day forecast
  1. Today
    Jul 4
    Overcast
    21%
    98°76°
  2. Sunday
    Jul 5
    Light Drizzle
    44%
    0.01″
    94°74°-4°
  3. Monday
    Jul 6
    Thunderstorm
    78%
    0.12″
    80°70°-14°
  4. Tuesday
    Jul 7
    Thunderstorm
    78%
    1.5″
    84°68°+4°
  5. Wednesday
    Jul 8
    Drizzle
    35%
    0.04″
    76°66°-8°
  6. Thursday
    Jul 9
    Overcast
    11%
    87°65°+11°
  7. Friday
    Jul 10
    Light Drizzle
    43%
    0.01″
    85°68°-2°
Mount Airy, MD
Anemometer · 24h winds · from true
NESW
From · True
SW
221° · steady
Direction
SW
221°
Sustained
4
mph
Gust
13
mph
Peak 24h
17
avg 6
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 6 · pk 17 @ 7:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 378SUSTGUST
−24h−18h−12h−6hnow
Light breeze holding from the sw.
Mount Airy, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
984.5
-1.9 mb in 3h · falling · 29.07 inHg
Now
984.5
mb
3h
-1.9
mb
12h
-1.4
mb
24h
-2.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985988
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.0985.0985.0
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Mount Airy, MD
Air quality
89
AQI
Moderate
+36 in 6h

AQI 89 (Moderate), driven by Ozone. AQI up 36 in the last 6 hours — air quality is degrading. Ozone at AQI 78 — 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.

PM 2.5Good
8.6μg/m³
PM 10Good
10μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy SG
124μg/m³
UV IndexModerate
2.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 78 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 78
UV peak
2.1 at earlier today
Sky at peak
clear
Projected peak
AQI 78

PM × Wind × Precip

PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.91 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.91
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Mount Airy, MD
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
116.2mi
UNLIMITED
122 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
21:55 UTC · Mount Airy, 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
21:55 UTC · Mount Airy, MD · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mount Airy, MD
Satellite · infrared · animated
Mount Airy, MD
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mount Airy, MD
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:15 AM
Sunrise
1:47 AM
Daylight
14h 51m
Sunset
4:38 PM
Civil dusk
9:12 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Mount Airy, MD
The moon
Waning Gibbous
78% illuminated
Moonrise
11:01 PM
Moonset
10:12 AM
In sign
♓︎ Pisces
Mount Airy, MD
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Mount Airy at a glance

  • Today vs. normal: 26°F above the seasonal normal for this latitude
  • Last frost: April 12 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 21771

16-Day Forecast — Mount Airy

  1. Sat98°76°21%
  2. Sun94°74°44%
  3. Mon80°70°78%
  4. Tue84°68°78%
  5. Wed76°66°35%
  6. Thu87°65°11%
  7. Fri85°68°43%
  8. Sat86°67°32%
  9. Sun77°64°24%
  10. Mon80°65°20%
  11. Tue83°61°16%
  12. Wed85°62°35%
  13. Thu89°68°46%
  14. Fri87°70°46%
  15. Sat90°68°40%
  16. Sun85°68°52%

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 — Mount Airy

SPC has placed Mount Airy 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 Mount Airy

  • 21771

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.