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

Mountain Lake Park, Maryland Weather

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

Mountain Lake Park weather forecast — hour by hour, 7-day outlook, NOAA radar

Mountain Lake Park, MD
Saturday, July 4 at 7:19 PM
77
°
Overcast
Feels like
79°
Humidity
69%
Wind
9 mph
Sunrise
1:56 AM
Sunset
4:47 PM
Mountain Lake Park, MD
Hour by hour · 24h
24-Hour ForecastMountain Lake Park, MD: 24-hour forecast. Temperatures range from 65 to 85 degrees Fahrenheit with a 34% chance of precipitation at 6 PM.
L 65°H 85°
Mountain Lake Park, MD
7-day forecast
  1. Today
    Jul 4
    Overcast
    27%
    86°66°
  2. Sunday
    Jul 5
    Overcast
    34%
    85°65°-1°
  3. Monday
    Jul 6
    Light Showers
    77%
    0.07″
    79°65°-6°
  4. Tuesday
    Jul 7
    Light Drizzle
    53%
    78°61°-1°
  5. Wednesday
    Jul 8
    Light Drizzle
    17%
    72°61°-6°
  6. Thursday
    Jul 9
    Overcast
    14%
    83°59°+11°
  7. Friday
    Jul 10
    Drizzle
    67%
    0.07″
    70°66°-13°
Mountain Lake Park, MD
Anemometer · 24h winds · from true
NESW
From · True
SW
217° · backing 32°
Direction
SW
217°
Sustained
9
mph
Gust
18
mph
Peak 24h
19
avg 6
Beaufort · 3 · GENTLE 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 19 @ 6:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 196SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 32° from the sw.
Mountain Lake Park, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
929.7
-0.6 mb in 3h · falling · 27.45 inHg
Now
929.7
mb
3h
-0.6
mb
12h
-0.6
mb
24h
-3.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 929933
920925930935940-21h-18h-15h-12h-9h-6h-3h-24hNOW932.9928.8929.7
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mountain Lake Park, MD
Air quality
59
AQI
Moderate
+8 in 6h

AQI 59 (Moderate), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 44 now. With UV 0.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
6.8μg/m³
PM 10Good
7μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
93μg/m³
UV IndexLow
0.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 44 now. With UV 0.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 7 around 1 PM.

Present
AQI 44
UV peak
0.4 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 7

PM × Wind × Precip

PM2.5 at 6.8 µg/m³, PM10 at 7.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.93
Wind
light
Recent rain
0h in last 6h
Pattern
background
Mountain Lake Park, MD
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
43.6mi
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
23:19 UTC · Mountain Lake Park, 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
23:19 UTC · Mountain Lake Park, MD · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mountain Lake Park, MD
Satellite · infrared · animated
Mountain Lake Park, MD
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mountain Lake Park, MD
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:24 AM
Sunrise
1:56 AM
Daylight
14h 51m
Sunset
4:47 PM
Civil dusk
9:21 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Mountain Lake Park, MD
The moon
Waning Gibbous
78% illuminated
Moonrise
11:10 PM
Moonset
10:22 AM
In sign
♓︎ Pisces
Mountain Lake Park, MD
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Mountain Lake Park at a glance

  • Today vs. normal: 5°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.

16-Day Forecast — Mountain Lake Park

  1. Sat86°66°27%
  2. Sun85°65°34%
  3. Mon79°65°77%
  4. Tue78°61°53%
  5. Wed72°61°17%
  6. Thu83°59°14%
  7. Fri70°66°67%
  8. Sat79°61°49%
  9. Sun74°58°34%
  10. Mon72°55°26%
  11. Tue75°52°20%
  12. Wed81°55°46%
  13. Thu82°59°53%
  14. Fri74°62°52%
  15. Sat77°65°53%
  16. Sun79°63°61%

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 — Mountain Lake Park

SPC has placed Mountain Lake Park in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWMRGLMarginal Risk
  • 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 Mountain Lake Park

  • 21550

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.