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

Harker Heights, Texas Weather

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

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

Harker Heights, TX
Saturday, July 4 at 9:18 AM
84
°
Clear
Feels like
89°
Humidity
71%
Wind
9 mph
Sunrise
1:31 AM
Sunset
3:38 PM
Harker Heights, TX
Hour by hour · 24h
24-Hour ForecastHarker Heights, TX: 24-hour forecast. Temperatures range from 75 to 98 degrees Fahrenheit.
L 75°H 98°
Harker Heights, TX
7-day forecast
  1. Today
    Jul 4
    Overcast
    —
    —
    98°76°—
  2. Sunday
    Jul 5
    Overcast
    —
    —
    100°75°+2°
  3. Monday
    Jul 6
    Thunderstorm
    11%
    —
    98°75°-2°
  4. Tuesday
    Jul 7
    Heavy Drizzle
    12%
    —
    101°74°+3°
  5. Wednesday
    Jul 8
    Light Showers
    —
    —
    102°74°+1°
  6. Thursday
    Jul 9
    Overcast
    —
    —
    102°76°0°
  7. Friday
    Jul 10
    Partly Cloudy
    —
    —
    102°76°0°
Harker Heights, TX
Next 24 hours · Warm now
HOT 90°70°88°105°6a12p6p12anow 83°high 98°low 75°
Harker Heights, TX
Anemometer · 24h winds · from true
NESW
From · True
SSW
205° · veering 7°
Direction
SSW
205°
Sustained
9
mph
Gust
13
mph
Peak 24h
25
avg 8
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 8 · pk 25 @ 1:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 278SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 7° from the ssw.
Harker Heights, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.3
+0.5 mb in 3h · steady · 29.15 inHg
Now
987.3
mb
3h
+0.5
mb
12h
+1.4
mb
24h
-2.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986–990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW989.6985.8987.2
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Harker Heights, TX
Air quality
31
AQI
Good
→-1 in 6h

AQI 31 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).

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

PM 2.5Good
3.9μg/m³
PM 10Good
5μg/m³
NO₂Good
3μg/m³
OzoneDRIVERGood
51μg/m³
UV IndexModerate
2.1

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/m³330
Harker Heights, TX
Sky cover · visibility · 24h
Cloud cover
13%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
42.6mi
UNLIMITED
106 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
14:18 UTC · Harker 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
14:18 UTC · Harker Heights, TX · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Harker Heights, TX
Satellite · infrared · animated
Harker Heights, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Harker Heights, TX
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
6:05 AM
Sunrise
1:31 AM
Daylight
14h 07m
Sunset
3:38 PM
Civil dusk
9:07 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Harker Heights, TX
The moon
Waning Gibbous
81% illuminated
Moonrise
11:14 PM
Moonset
10:47 AM
In sign
♓︎ Pisces
Harker Heights, TX
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Harker Heights at a glance

  • Today vs. normal: 3°F above the seasonal normal for this latitude
  • Last frost: February 21 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 76548

16-Day Forecast — Harker Heights

  1. Sat98°76°2%
  2. Sun100°75°1%
  3. Mon98°75°11%
  4. Tue101°74°12%
  5. Wed102°74°4%
  6. Thu102°76°0%
  7. Fri102°76°1%
  8. Sat104°76°6%
  9. Sun104°77°8%
  10. Mon103°77°5%
  11. Tue108°78°4%
  12. Wed110°81°13%
  13. Thu109°72°17%
  14. Fri87°72°29%
  15. Sat83°73°24%
  16. Sun97°71°26%

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 — Harker Heights

SPC includes Harker Heights in the general thunderstorm area tomorrow — no severe risk, but storms are possible.

  • TODAYNONENo severe risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

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: 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 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——
Marchlettuce, peas, spinach, radishes—
Aprillettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash—
Maytomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, 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

Harker Heights's warmest month is August (~85°F mean) and its coldest is January (~48°F). Rainfall peaks in May (4.7 inches) and bottoms out in August (1.6 inches).

MonthMean tempPrecipRainy days
January48°2.5″4
February52°2.2″4
March59°3.3″5
April65°2.1″4
May73°4.7″5
June81°3.2″4
July84°2.7″3
August85°1.6″3
September78°3.9″4
October68°3.4″4
November58°2.7″4
December49°2.4″5

Regional context

Harker Heights's climate, from NOAA NCEI 1991-2020 station normals, pairs 48°F Januarys with 84°F Julys — a 36°F swing. About 34.8 inches of precipitation falls over roughly 49 days a year.

No season owns Harker Heights's rain: May reaches 4.7 inches across 5.4 days and August keeps 1.6 inches on 2.7, an even spread through Harker Heights's year. That even rhythm groups Harker Heights with places like Nolanville, TX, Killeen, TX and Belton, TX.

Harker Heights rarely sees a hard freeze — its coldest month sits near 48°F — so planting spans most of the calendar. Heat peaks in August around 85°F, which confines cool-season crops to the shoulders of summer. Across Harker Heights, elevation and tree cover drive a 4-7°F spread in Harker Heights's overnight lows.

Similar climates: Nolanville, TX, Killeen, TX, Belton, TX, Fort Hood, TX, Salado, TX.

Frequently asked

When does it freeze in Harker Heights?
In Harker Heights, expect the last spring frost near mid-March; Harker Heights's first autumn frost comes around mid-December.
What is the rainy season in Harker Heights?
May is the wettest month in Harker Heights, about 4.7 inches on average; the year totals roughly 35 inches.
What is the warmest month in Harker Heights?
Harker Heights peaks in August, when the mean runs near 85°F.
What is the coldest month in Harker Heights?
January is Harker Heights's coldest month, averaging about 48°F.
When can I start a vegetable garden in Harker Heights?
Around mid-March, start frost-hardy crops in Harker Heights; tomatoes and basil belong a fortnight later.
How many rainy days does Harker Heights get?
Harker Heights averages about 49 days with measurable rain or snow each year.
What hardiness zone is Harker Heights?
Since January in Harker Heights averages 48°F, Harker Heights's USDA zone follows that floor — confirm it by ZIP.
What is the 10-day forecast for Harker Heights?
Harker 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 Harker Heights?
See this week's day-by-day rain chances for Harker Heights in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Harker Heights?
Current conditions for Harker 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 Harker Heights forecast updated?
The Harker 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 Harker Heights?
Today's sunrise and sunset times for Harker 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 Harker Heights?
The next few days in Harker Heights's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Set in a humid subtropical zone, Harker Heights, Texas swings from 48°F in the heart of winter to 84°F at midsummer — a 36°F arc.

Rain and snow bring Harker Heights roughly 35 inches a year across approximately 49 measurable-precipitation days.

Harker Heights's 36°F range, set by its 31.1°N position, drives frost timing and what thrives in Harker Heights.

All cities in Texas →

Killeen, TX weather →

ZIP codes in Harker Heights

  • 76548
  • 76513

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.