Highland Park, Texas Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Highland Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast20%—86°73°—
- FridayJun 5Rain15%0.15″82°72°-4°
- SaturdayJun 6Light Showers55%0.01″88°75°+6°
- SundayJun 7Heavy Drizzle41%—93°74°+5°
- MondayJun 8Light Drizzle23%—95°76°+2°
- TuesdayJun 9Mostly Clear——98°78°+3°
- WednesdayJun 10Partly Cloudy——99°79°+1°
PM2.5 at 10.0 µg/m³, PM10 at 10.4 µg/m³ — typical background levels with no transport signature. AQI down 50 over the last 6 hours — air quality is improving sharply.
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 36 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 by mid-afternoon.
- Present
- AQI 36
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 10.0 µg/m³, PM10 at 10.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 4:36 AM
- Moonset
- 2:50 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Highland Park at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: March 4 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Highland Park
SPC has placed Highland Park in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- 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.
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
Highland Park's warmest month is August (~87°F mean) and its coldest is January (~48°F). Rainfall peaks in October (4.8 inches) and bottoms out in July (1.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 48° | 2.6″ | 4 |
| February | 52° | 2.8″ | 4 |
| March | 60° | 3.5″ | 5 |
| April | 67° | 3.1″ | 5 |
| May | 75° | 4.6″ | 6 |
| June | 83° | 3.8″ | 5 |
| July | 87° | 1.7″ | 3 |
| August | 87° | 2.2″ | 4 |
| September | 80° | 3.1″ | 4 |
| October | 69° | 4.8″ | 5 |
| November | 58° | 2.9″ | 4 |
| December | 50° | 3.2″ | 4 |
Regional context
Highland Park sits within a humid subtropical climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Houston, TX, Dallas, TX, San Antonio, TX, Austin, TX, Fort Worth, TX.
Frequently asked
- When does it freeze in Highland Park?
- Highland Park's last spring frost typically falls around mid-March, and the first fall frost arrives around mid-December.
- What is the rainy season in Highland Park?
- October is the wettest month with about 4.8 inches of rain on average; the city receives roughly 38 inches annually.
- What is the warmest month in Highland Park?
- August is typically warmest, averaging about 87°F.
- What is the coldest month in Highland Park?
- January is typically coldest, averaging about 48°F.
- When can I start a vegetable garden in Highland Park?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-March); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Highland Park get?
- Highland Park averages about 52 rainy days per year.
- What hardiness zone is Highland Park?
- Highland Park's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Highland Park, Texas sits in a humid subtropical climate zone. January means hover near 48°F while July averages 87°F — a 40°F seasonal swing.
Across the year, Highland Park receives about 38 inches of precipitation spread over roughly 52 rainy days.
The rhythm of the year is set by latitude (32.8°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.