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Glen Burnie, Maryland Weather

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

Glen Burnie weather forecast — hour by hour, 7-day outlook, NOAA radar

Glen Burnie, MD
Saturday, July 4 at 7:18 PM
81
°
Heavy Showers
Feels like
72°
Humidity
50%
Wind
29 mph
Sunrise
1:45 AM
Sunset
4:35 PM
Glen Burnie, MD
Hour by hour · 24h
24-Hour ForecastGlen Burnie, MD: 24-hour forecast. Temperatures range from 75 to 97 degrees Fahrenheit with a 39% chance of precipitation at 3 AM.
L 75°H 97°
Glen Burnie, MD
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    36%
    0.37″
    102°79°—
  2. Sunday
    Jul 5
    Showers
    52%
    0.19″
    97°75°-5°
  3. Monday
    Jul 6
    Heavy Drizzle
    74%
    —
    83°74°-14°
  4. Tuesday
    Jul 7
    Thunderstorm
    74%
    0.07″
    90°73°+7°
  5. Wednesday
    Jul 8
    Heavy Showers
    35%
    0.41″
    80°69°-10°
  6. Thursday
    Jul 9
    Overcast
    12%
    —
    93°70°+13°
  7. Friday
    Jul 10
    Light Drizzle
    40%
    0.02″
    95°75°+2°
Glen Burnie, MD
Next 24 hours · Hot now
HOT 90°70°88°105°6p12a6a12pnow 93°high 97°low 75°PRECIP %
Glen Burnie, MD
Anemometer · 24h winds · from true
NESW
From · True
SW
218° · backing 40°
Direction
SW
218°
Sustained
29
mph
Gust
44
mph
Peak 24h
44
avg 4
Beaufort · 6 · STRONG 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 4 · pk 44
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 238SUSTGUST
−24h−18h−12h−6hnow
Sustained 29 mph with gusts pulsing to 44 — flags snap, branches bend.
Glen Burnie, MD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1010.6
-0.3 mb in 3h · steady · 29.84 inHg
Now
1010.6
mb
3h
-0.3
mb
12h
-3.0
mb
24h
-1.8
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1009–1014
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.71009.01010.3
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Glen Burnie, MD
Air quality
112
AQI
Unhealthy for Sensitive Groups
↑+59 in 6h

AQI 112 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 59 in the last 6 hours — air quality is degrading. Ozone at AQI 70. Overcast through the UV peak window (cloud cover ~82%) — afternoon ozone should stay flat.

CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.

PM 2.5Good
10.0μg/m³
PM 10Good
11μg/m³
NO₂Good
9μg/m³
OzoneDRIVERUnhealthy SG
119μg/m³
UV IndexLow
0.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 70. Overcast through the UV peak window (cloud cover ~82%) — afternoon ozone should stay flat.

Present
AQI 70
UV peak
0.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 8

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 10.0 µg/m³, PM10 to 10.5 µg/m³.

PM2.5/PM10
0.95
Wind
windy
Recent rain
2h in last 6h
Pattern
washed out

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).

7-DAY AQI TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³350
Glen Burnie, MD
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
2.0mi
MIST/HAZE
112 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
23:18 UTC · Glen Burnie, 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
23:18 UTC · Glen Burnie, MD · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Glen Burnie, MD
Satellite · infrared · animated
Glen Burnie, MD
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Glen Burnie, MD
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:14 AM
Sunrise
1:45 AM
Daylight
14h 50m
Sunset
4:35 PM
Civil dusk
9:09 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Glen Burnie, MD
The moon
Waning Gibbous
78% illuminated
Moonrise
10:58 PM
Moonset
10:10 AM
In sign
♓︎ Pisces
Glen Burnie, MD
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Glen Burnie at a glance

  • Today vs. normal: 9°F above the seasonal normal for this latitude
  • Last frost: April 11 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 21060, 21061

16-Day Forecast — Glen Burnie

  1. Sat102°79°36%
  2. Sun97°75°52%
  3. Mon83°74°74%
  4. Tue90°73°74%
  5. Wed80°69°35%
  6. Thu93°70°12%
  7. Fri95°75°40%
  8. Sat92°72°34%
  9. Sun84°73°22%
  10. Mon80°73°19%
  11. Tue90°69°19%
  12. Wed93°74°40%
  13. Thu95°75°42%
  14. Fri94°75°35%
  15. Sat93°73°35%
  16. Sun94°75°39%

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

Live wind & temperature near Glen Burnie

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 — Glen Burnie

SPC has placed Glen Burnie 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.

January 1–5: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the sun begins return.December 26–31: The year turns in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

Cicadas claim the afternoon

Annual cicada buzz begins, peaking in the heat of the day.

Day 185 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

In Glen Burnie, July runs warmest near 78°F and January coldest around 32°F, while December is the wettest month (4.5 inches) and October the driest (3.1 inches).

MonthMean tempPrecipRainy days
January32°3.8″14
February35°3.2″14
March43°3.8″16
April54°4.0″17
May62°3.8″17
June72°4.0″17
July78°3.2″16
August76°4.4″17
September70°3.9″14
October59°3.1″12
November46°4.0″14
December37°4.5″15

Regional context

Glen Burnie's climate, from NOAA NCEI 1991-2020 station normals, pairs 32°F Januarys with 78°F Julys — a 46°F swing. About 45.6 inches of precipitation falls over roughly 184 days a year.

Glen Burnie's precipitation spreads evenly: December peaks at 4.5 inches on 14.9 wet days, while October holds 3.1 inches over 11.9 — no month dominates Glen Burnie's rain calendar. It is a balanced pattern Glen Burnie shares with places like Ferndale, MD, Pasadena, MD and Brooklyn Park, MD.

Glen Burnie's growing window opens around mid-April, once Glen Burnie's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. Warm-soil crops in Glen Burnie wait about two weeks past Glen Burnie's last frost, once the soil warms. Around mid-November, freezing nights resume in Glen Burnie and tender crops must come in. Within Glen Burnie, cold-air pooling chills low spots by 5-10°F, shifting Glen Burnie's local frost dates.

Similar climates: Ferndale, MD, Pasadena, MD, Brooklyn Park, MD, Riviera Beach, MD, Linthicum, MD.

Frequently asked

When does it freeze in Glen Burnie?
Frost typically leaves Glen Burnie by mid-April and returns to Glen Burnie near mid-November.
What is the rainy season in Glen Burnie?
Rainfall in Glen Burnie peaks in December near 4.5 inches, out of about 46 inches annually.
What is the warmest month in Glen Burnie?
The warmest stretch in Glen Burnie comes in July, around 78°F on average.
What is the coldest month in Glen Burnie?
On average January is the chilliest month in Glen Burnie, about 32°F.
When can I start a vegetable garden in Glen Burnie?
Frost-hardy sowings begin at mid-April in Glen Burnie; warm-season starts follow two weeks on.
How many rainy days does Glen Burnie get?
Glen Burnie records around 184 days of measurable precipitation annually.
What hardiness zone is Glen Burnie?
Glen Burnie sits in the USDA zone set by January lows near 32°F; the USDA ZIP tool gives the band.
What is the 10-day forecast for Glen Burnie?
Glen Burnie's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Glen Burnie?
See this week's day-by-day rain chances for Glen Burnie in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Glen Burnie?
Current conditions for Glen Burnie and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Glen Burnie forecast updated?
The Glen Burnie forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Glen Burnie?
Today's sunrise and sunset times for Glen Burnie are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Glen Burnie?
The next few days in Glen Burnie's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Glen Burnie, Maryland occupies a warm-summer humid continental zone, with January means near 32°F and July around 78°F — a 46°F swing.

Across the year, Glen Burnie collects about 46 inches of precipitation over roughly 184 days with measurable rain or snow.

Latitude 39.2°N gives Glen Burnie its 46°F swing, and with it the rhythm of Glen Burnie's growing season.

All cities in Maryland →

Baltimore, MD weather →

ZIP codes in Glen Burnie

  • 21060
  • 21061
  • 21108
  • 21062

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.