Port Lavaca, Texas Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Port Lavaca weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——93°77°—
- MondayJul 6Overcast——91°77°-2°
- TuesdayJul 7Light Drizzle——94°77°+3°
- WednesdayJul 8Light Drizzle——93°79°-1°
- ThursdayJul 9Overcast——91°80°-2°
- FridayJul 10Clear16%—92°79°+1°
- SaturdayJul 11Thunderstorm38%—87°80°-5°
AQI 22 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 5.4 µg/m³ (AQI 30), ratio 0.67 with 13 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.
What's driving it
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30), ratio 0.67 with 13 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.67
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:38 PM
- Moonset
- 11:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Port Lavaca at a glance
- Today vs. normal: 7°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
- Sun93°77°1%
- Mon91°77°3%
- Tue94°77°8%
- Wed93°79°3%
- Thu91°80°2%
- Fri92°79°16%
- Sat87°80°38%
- Sun92°78°34%
- Mon92°80°32%
- Tue98°77°10%
- Wed99°76°11%
- Thu97°77°22%
- Fri98°79°19%
- Sat102°79°23%
- Sun99°81°17%
- Mon95°80°26%
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.
SPC Convective Outlook
Storm Prediction Center — Port Lavaca
SPC includes Port Lavaca in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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.
ZIP codes in Port Lavaca
- 77979