Killeen, Texas Weather
Dusk arrives one minute earlier each night. Day 43 of summer. Read this microseason across nine climate regions →
Killeen weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayAug 2Overcast——95°72°—
- MondayAug 3Overcast——97°73°+2°
- TuesdayAug 4Overcast——104°76°+7°
- WednesdayAug 5Overcast——103°77°-1°
- ThursdayAug 6Overcast——101°77°-2°
- FridayAug 7Partly Cloudy——98°77°-3°
- SaturdayAug 8Overcast——99°75°+1°
AQI 52 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 40 now. With UV 3.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 18.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 40 now. With UV 3.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 18.
- Present
- AQI 40
- UV peak
- 3.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 18
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.98 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.98
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
Red sky at night, sailor's delight.
- Moonrise
- 10:13 PM
- Moonset
- 10:36 AM
- In sign
- ♓︎ Pisces
Dusk arrives one minute earlier each night
Killeen at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: February 21 (climatological average for this latitude)
- Microseason: Aug 1–5
- Planting window: Sow fall peas. Start kale and collard seedlings for fall.
ZIP codes: 76541, 76542, 76543, 76549
16-Day Forecast — Killeen
- Sun95°72°0%
- Mon97°73°0%
- Tue104°76°0%
- Wed103°77°1%
- Thu101°77°1%
- Fri98°77°1%
- Sat99°75°5%
- Sun94°73°6%
- Mon98°74°6%
- Tue100°73°3%
- Wed102°75°4%
- Thu101°76°10%
- Fri102°76°10%
- Sat102°77°9%
- Sun102°77°13%
- Mon102°77°13%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Killeen
Right now in the garden
Peak growing season
As of August 2, 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.
Sun & seasons in Killeen
Killeen sits in Bell County, where the year’s longest day runs 14h 10m of daylight and its shortest just 10h 8m — a swing of +4h 2m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Houston, the state’s largest city, lies about 165 miles to the ESE. The nearest town Killeen tracks is Temple, roughly 20 miles to the E.
Air quality in Killeen’s county has held roughly steady since 2020; its cleanest year on record was 2020 (median AQI 44). See the full air-quality history for Killeen.
Microseason · August 1–5
Dusk arrives one minute earlier each night
Sunset slides back toward 8 PM; darkness creeps in, signaling summer's decline though heat persists.
Day 214 of 365 · Wedge 43 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
In Killeen, August runs warmest near 85°F and January coldest around 48°F, while May is the wettest month (4.7 inches) and August the driest (1.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 48° | 2.5″ | 4 |
| February | 52° | 2.2″ | 4 |
| March | 59° | 3.3″ | 5 |
| April | 65° | 2.1″ | 4 |
| May | 73° | 4.7″ | 5 |
| June | 81° | 3.2″ | 4 |
| July | 84° | 2.7″ | 3 |
| August | 85° | 1.6″ | 3 |
| September | 78° | 3.9″ | 4 |
| October | 68° | 3.4″ | 4 |
| November | 58° | 2.7″ | 4 |
| December | 49° | 2.4″ | 5 |
Regional context
Killeen swings from 48°F in January to 84°F in July (36°F) per NOAA NCEI 1991-2020 normals; precipitation in Killeen runs about 34.8 inches on roughly 49 measurable days.
Rainfall in Killeen stays even across the calendar: May tops out at 4.7 inches over 5.4 rainy days, and August still logs 1.6 inches across 2.7 — a narrow range for Killeen. That even rhythm groups Killeen with places like Harker Heights, TX, Fort Hood, TX and Nolanville, TX.
Hard freezes are rare in Killeen: the coldest month averages 48°F, so Killeen's growing window runs most of the year. August is the hottest stretch near 85°F, pushing cool-season crops to the milder shoulder months. Within Killeen, low or inland lots lose 3-5°F overnight versus Killeen's coastal ground.
Similar climates: Harker Heights, TX, Fort Hood, TX, Nolanville, TX, Copperas Cove, TX, Kempner, TX.
Naturalist notes
Late May brings the distinctive calls of scissor-tailed flycatchers as they establish territories throughout central Texas.
Bluebonnets typically reach peak bloom across the region during April, carpeting roadsides and fields before the summer heat arrives.
Frequently asked
- When does it freeze in Killeen?
- Killeen's last spring frost lands near mid-March, and in Killeen the first fall frost follows around mid-December.
- What is the rainy season in Killeen?
- Rainfall in Killeen peaks in May near 4.7 inches, out of about 35 inches annually.
- What is the warmest month in Killeen?
- August is Killeen's warmest month, averaging about 85°F.
- What is the coldest month in Killeen?
- Killeen bottoms out in January, with a mean near 48°F.
- When can I start a vegetable garden in Killeen?
- Killeen's last frost (mid-March) cues hardy greens; in Killeen, hold heat-lovers two weeks past.
- How many rainy days does Killeen get?
- Killeen records around 49 days of measurable precipitation annually.
- What hardiness zone is Killeen?
- Killeen's USDA zone comes from its January mean (48°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Killeen?
- Killeen'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 Killeen?
- See this week's day-by-day rain chances for Killeen in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Killeen?
- Current conditions for Killeen and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Killeen forecast updated?
- The Killeen forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Killeen?
- Today's sunrise and sunset times for Killeen 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 Killeen?
- The next few days in Killeen's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Killeen, Texas has a humid subtropical climate: January averages roughly 48°F, July about 84°F, 36°F between them.
Yearly precipitation in Killeen totals around 35 inches, spread over about 49 days of rain or snow.
Latitude 31.1°N gives Killeen its 36°F swing, and with it the rhythm of Killeen's growing season.
ZIP codes in Killeen
- 76541
- 76543
- 76542
- 76549
- 76540
- 76547