San Isidro, Texas Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
San Isidro weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——99°79°—
- MondayJul 6Overcast——98°77°-1°
- TuesdayJul 7Overcast——102°76°+4°
- WednesdayJul 8Clear——102°75°0°
- ThursdayJul 9Overcast——99°74°-3°
- FridayJul 10Overcast24%—96°77°-3°
- SaturdayJul 11Overcast30%—96°78°0°
AQI 24 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 35 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 49 around 1 PM.
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 35 now. With UV 11 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 49 around 1 PM.
- Present
- AQI 35
- UV peak
- 10.5 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 49
PM × Wind × Precip
PM2.5 at 5.3 µg/m³, PM10 at 7.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.75
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:45 PM
- Moonset
- 11:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
San Isidro at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: January 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 78588
16-Day Forecast — San Isidro
- Sun99°79°1%
- Mon98°77°4%
- Tue102°76°7%
- Wed102°75°4%
- Thu99°74°3%
- Fri96°77°24%
- Sat96°78°30%
- Sun98°76°24%
- Mon103°75°20%
- Tue105°73°8%
- Wed107°74°5%
- Thu106°73°2%
- Fri107°75°4%
- Sat114°77°10%
- Sun97°78°7%
- Mon101°75°6%
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.
ZIP codes in San Isidro
- 78588
- 78536