Port Isabel, Texas Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Port Isabel weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——92°79°—
- SundayJul 5Overcast——92°78°0°
- MondayJul 6Overcast——91°79°-1°
- TuesdayJul 7Overcast——92°80°+1°
- WednesdayJul 8Overcast——91°80°-1°
- ThursdayJul 9Overcast——91°80°0°
- FridayJul 10Overcast——91°81°0°
AQI 28 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.4 µg/m³ (AQI 47), ratio 0.62 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 8.4 µg/m³ (AQI 47), ratio 0.62 with 13 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.62
- 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
- 11:07 PM
- Moonset
- 10:49 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Port Isabel at a glance
- Today vs. normal: 87°F — typical for the season
- Last frost: January 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 78578
16-Day Forecast — Port Isabel
- Sat92°79°1%
- Sun92°78°2%
- Mon91°79°2%
- Tue92°80°1%
- Wed91°80°1%
- Thu91°80°5%
- Fri91°81°4%
- Sat91°81°8%
- Sun92°80°6%
- Mon92°79°12%
- Tue92°78°8%
- Wed94°79°7%
- Thu94°78°3%
- Fri91°80°0%
- Sat92°82°6%
- Sun91°80°13%
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 Isabel
- 78578