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

Mountain Lake Park, Maryland Weather

Cicadas claim the afternoon. Day 15 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 9:20 PM
71
°
Overcast
Feels like
73°
Humidity
76%
Wind
4 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 64 to 85 degrees Fahrenheit with a 37% chance of precipitation at 6 PM.
L 64°H 85°
Mountain Lake Park, MD
7-day forecast
  1. Today
    Jul 4
    Overcast
    31%
    86°66°
  2. Sunday
    Jul 5
    Light Drizzle
    37%
    85°64°-1°
  3. Monday
    Jul 6
    T-storm w/ Hail
    77%
    0.06″
    79°65°-6°
  4. Tuesday
    Jul 7
    Thunderstorm
    53%
    80°62°+1°
  5. Wednesday
    Jul 8
    Thunderstorm
    17%
    79°63°-1°
  6. Thursday
    Jul 9
    Overcast
    14%
    84°61°+5°
  7. Friday
    Jul 10
    Drizzle
    67%
    0.06″
    77°66°-7°
Mountain Lake Park, MD
Anemometer · 24h winds · from true
NESW
From · True
NNW
345° · veering 110°
Direction
NNW
345°
Sustained
4
mph
Gust
10
mph
Peak 24h
20
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 20 @ 6:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 136SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 110° from the nnw.
Mountain Lake Park, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
928.8
-1.2 mb in 3h · falling · 27.43 inHg
Now
928.8
mb
3h
-1.2
mb
12h
-3.6
mb
24h
-3.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 928933
920925930935940-21h-18h-15h-12h-9h-6h-3h-24hNOW932.9927.5928.5
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Mountain Lake Park, MD
Air quality
49
AQI
Good
0 in 6h

AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.94 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.

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

PM 2.5DRIVERGood
7.6μg/m³
PM 10Good
8μg/m³
NO₂Good
4μg/m³
OzoneModerate
78μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 37 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 6 around 1 PM.

Present
AQI 37
UV peak
0.0 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 6

PM × Wind × Precip

PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.94 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.94
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Mountain Lake Park, MD
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
41.4mi
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
01:20 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
01:20 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
77% illuminated
Moonrise
11:35 PM
Moonset
11:28 AM
In sign
♓︎ Pisces
Mountain Lake Park, MD
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Mountain Lake Park at a glance

  • Today vs. normal: 71°F — typical for the season
  • 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°31%
  2. Sun85°64°37%
  3. Mon79°65°77%
  4. Tue80°62°53%
  5. Wed79°63°17%
  6. Thu84°61°14%
  7. Fri77°66°67%
  8. Sat70°60°49%
  9. Sun75°56°34%
  10. Mon80°51°26%
  11. Tue81°58°20%
  12. Wed73°58°46%
  13. Thu81°54°53%
  14. Fri81°59°52%
  15. Sat85°62°53%
  16. Sun71°63°61%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, 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 Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

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.