Port Lavaca, Texas Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Port Lavaca weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——92°77°—
- SundayJul 5Overcast——92°77°0°
- MondayJul 6Partly Cloudy——92°77°0°
- TuesdayJul 7Clear——93°78°+1°
- WednesdayJul 8Clear——92°78°-1°
- ThursdayJul 9Clear——92°80°0°
- FridayJul 10Clear——92°79°0°
AQI 25 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 5.0 µg/m³ (AQI 28) with a 0.64 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.0 µg/m³ (AQI 28) with a 0.64 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.64
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:07 PM
- Moonset
- 10:45 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Port Lavaca at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: February 7 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 77979
16-Day Forecast — Port Lavaca
- Sat92°77°1%
- Sun92°77°3%
- Mon92°77°3%
- Tue93°78°7%
- Wed92°78°1%
- Thu92°80°2%
- Fri92°79°5%
- Sat93°80°10%
- Sun95°78°13%
- Mon95°78°14%
- Tue98°78°9%
- Wed96°77°10%
- Thu93°81°20%
- Fri92°82°19%
- Sat92°82°19%
- Sun93°81°29%
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.
ZIP codes in Port Lavaca
- 77979