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

Del Mar Heights, Texas Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Del Mar Heights weather forecast — hour by hour, 7-day outlook, NOAA radar

Del Mar Heights, TX
Sunday, July 5 at 2:18 PM
95
°
Clear
Feels like
103°
Humidity
50%
Wind
14 mph
Sunrise
1:42 AM
Sunset
3:25 PM
Del Mar Heights, TX
Hour by hour · 24h
24-Hour ForecastDel Mar Heights, TX: 24-hour forecast. Temperatures range from 78 to 95 degrees Fahrenheit.
L 78°H 95°
Del Mar Heights, TX
7-day forecast
  1. Today
    Jul 5
    Overcast
    —
    —
    95°80°—
  2. Monday
    Jul 6
    Overcast
    —
    —
    94°78°-1°
  3. Tuesday
    Jul 7
    Overcast
    —
    —
    96°79°+2°
  4. Wednesday
    Jul 8
    Overcast
    —
    —
    96°79°0°
  5. Thursday
    Jul 9
    Overcast
    11%
    —
    94°78°-2°
  6. Friday
    Jul 10
    Overcast
    28%
    —
    91°80°-3°
  7. Saturday
    Jul 11
    Thunderstorm
    14%
    —
    87°82°-4°
Del Mar Heights, TX
Next 24 hours · Hot now
HOT 90°74°87°100°12p6p12a6anow 95°high 95°low 78°
Del Mar Heights, TX
Anemometer · 24h winds · from true
NESW
From · True
SSE
151° · veering 10°
Direction
SSE
151°
Sustained
14
mph
Gust
15
mph
Peak 24h
23
avg 11
Beaufort · 4 · MOD 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 11 · pk 23 @ 11:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2314SUSTGUST
−24h−18h−12h−6hnow
A fresh breeze drives the sse-bound air across the harbor.
Del Mar Heights, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1013.2
-0.9 mb in 3h · falling · 29.92 inHg
Now
1013.2
mb
3h
-0.9
mb
12h
-0.2
mb
24h
-0.7
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1012–1015
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1014.61012.41013.3
−24h−18h−12h−6hnow
Pressure slipping through the change line — wetter air on the way.
Del Mar Heights, TX
Air quality
29
AQI
Good
→0 in 6h

AQI 29 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.2 µg/m³ (AQI 34), ratio 0.68 with 14 mph wind — characteristic of long-range haze transport rather than a local source.

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

PM 2.5DRIVERGood
6.2μg/m³
PM 10Good
9μg/m³
NO₂Good
1μg/m³
OzoneGood
59μg/m³
UV IndexExtreme
10.3

What's driving it

PM × Wind × Precip

PM2.5 at 6.2 µg/m³ (AQI 34), ratio 0.68 with 14 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.68
Wind
breezy
Recent rain
0h in last 6h
Pattern
transport

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 TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³310
Del Mar Heights, TX
Sky cover · visibility · 24h
Cloud cover
12%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
76.4mi
UNLIMITED
77 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
19:18 UTC · Del Mar Heights, TX · 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
19:18 UTC · Del Mar Heights, TX · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Del Mar Heights, TX
Satellite · infrared · animated
Del Mar Heights, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Del Mar Heights, TX
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
6:17 AM
Sunrise
1:42 AM
Daylight
13h 43m
Sunset
3:25 PM
Civil dusk
8:52 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Del Mar Heights, TX
The moon
Waning Gibbous
70% illuminated
Moonrise
11:40 PM
Moonset
11:47 AM
In sign
♓︎ Pisces
Del Mar Heights, TX
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Del Mar Heights at a glance

  • Today vs. normal: 9°F above the seasonal normal for this latitude
  • Last frost: January 22 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Del Mar Heights

  1. Sun95°80°0%
  2. Mon94°78°6%
  3. Tue96°79°7%
  4. Wed96°79°5%
  5. Thu94°78°11%
  6. Fri91°80°28%
  7. Sat87°82°14%
  8. Sun94°80°13%
  9. Mon96°79°14%
  10. Tue99°77°6%
  11. Wed101°78°7%
  12. Thu99°78°5%
  13. Fri98°79°6%
  14. Sat102°80°16%
  15. Sun96°81°10%
  16. Mon98°79°16%

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.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its 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 scorching afternoon

Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.

Day 186 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——
Februarylettuce, peas, spinach, radishes—
Marchlettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash—
Apriltomatoes, peppers, beans, squash—
Maytomatoes, peppers, beans, squashlettuce, peas, radishes
June—lettuce, peas, radishes
July—tomatoes, beans, summer squash
August—tomatoes, beans, summer squash
September—tomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
Novemberfall brassicas, garlic (overwinter), carrots—
December——

A year in weather

Del Mar Heights peaks at about 87°F in August and bottoms near 63°F in January; September brings the heaviest rain (5.7 inches) and February the least (1.0 inches).

MonthMean tempPrecipRainy days
January63°1.1″2
February67°1.0″2
March71°1.4″2
April77°1.5″2
May82°2.2″2
June86°2.9″4
July86°2.0″3
August87°2.2″4
September83°5.7″8
October78°3.8″5
November71°1.8″3
December64°1.2″3

Frequently asked

When does it freeze in Del Mar Heights?
Frost typically leaves Del Mar Heights by mid-February and returns to Del Mar Heights near mid-December.
What is the rainy season in Del Mar Heights?
Del Mar Heights sees its heaviest rain in September (around 5.7 inches), part of roughly 27 inches a year.
What is the warmest month in Del Mar Heights?
On average August tops the year in Del Mar Heights at about 87°F.
What is the coldest month in Del Mar Heights?
The coldest stretch in Del Mar Heights falls in January, around 63°F on average.
When can I start a vegetable garden in Del Mar Heights?
In Del Mar Heights, sow peas and hardy greens around mid-February; Del Mar Heights's tomatoes and peppers wait two weeks more.
How many rainy days does Del Mar Heights get?
Expect roughly 39 wet days a year in Del Mar Heights.
What hardiness zone is Del Mar Heights?
Since January in Del Mar Heights averages 63°F, Del Mar Heights's USDA zone follows that floor — confirm it by ZIP.
What is the 10-day forecast for Del Mar Heights?
Del Mar Heights'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 Del Mar Heights?
See this week's day-by-day rain chances for Del Mar Heights in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Del Mar Heights?
Current conditions for Del Mar Heights and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Del Mar Heights forecast updated?
The Del Mar Heights forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Del Mar Heights?
Today's sunrise and sunset times for Del Mar Heights 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 Del Mar Heights?
The next few days in Del Mar Heights's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

In Del Mar Heights, Texas, the humid subtropical climate runs from about 63°F in January to 86°F in July, a 23°F seasonal range.

Across the year, Del Mar Heights collects about 27 inches of precipitation over roughly 39 days with measurable rain or snow.

Del Mar Heights's 23°F range, set by its 26.1°N position, drives frost timing and what thrives in Del Mar Heights.

All cities in Texas →

Brownsville, TX weather →

ZIP codes in Del Mar Heights

  • 78566

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.