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San Isidro, TX 78588 Weather

Tonight: Mostly Cloudy, low 70°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

San Isidro, TX 78588 current weather

81°F

Partly Cloudy

Forecast for this hour. No recent report from a nearby station.

H -- / L 70°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/28/2026, 5:45 PM PT

Hourly forecast

NWS, updated 10/28/2026, 5:45 PM PT

  1. Now81°
  2. 8 PM79°
  3. 9 PM77°
  4. 10 PM76°
  5. 11 PM75°
  6. 12 AM74°Thu
  7. 1 AM72°
  8. 2 AM72°
  9. 3 AM71°
  10. 4 AM71°
  11. 5 AM70°
  12. 6 AM70°10%
  13. 7 AM70°10%
  14. 8 AM70°
  15. 9 AM72°
  16. 10 AM76°12%
  17. 11 AM80°
  18. 12 PM82°15%
  19. 1 PM84°19%
  20. 2 PM85°19%
  21. 3 PM84°19%
  22. 4 PM84°15%
  23. 5 PM83°13%
  24. 6 PM80°11%
  25. 7 PM77°
  26. 8 PM76°
  27. 9 PM74°
  28. 10 PM73°
  29. 11 PM72°
  30. 12 AM71°Fri
  31. 1 AM70°
  32. 2 AM70°
  33. 3 AM69°
  34. 4 AM69°
  35. 5 AM69°
  36. 6 AM68°
  37. 7 AM68°
  38. 8 AM68°
  39. 9 AM71°
  40. 10 AM76°
  41. 11 AM80°
  42. 12 PM83°
  43. 1 PM85°
  44. 2 PM87°
  45. 3 PM88°
  46. 4 PM88°
  47. 5 PM87°
  48. 6 PM86°

7-day forecast

Tap a day for details

  • Today10/28Low 70°High

    Tonight: Mostly cloudy, with a low around 70. East southeast wind 2 to 8 mph, with gusts as high as 21 mph.

    Mostly Cloudy
  • Thu10/2919% chance of precipitationLow 68°High 86°

    Thursday: A slight chance of rain showers between noon and 5pm. Partly sunny, with a high near 86. East southeast wind 3 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Thursday Night: Mostly cloudy, with a low around 68. East southeast wind 3 to 12 mph, with gusts as high as 23 mph.

    Partly Sunny then Slight Chance Rain Showers
  • Fri10/30Low 68°High 89°

    Friday: Mostly sunny, with a high near 89. Southeast wind 3 to 8 mph.

    Friday Night: Partly cloudy, with a low around 68. East southeast wind 1 to 6 mph.

    Mostly Sunny
  • Sat10/31Low 69°High 90°

    Saturday: Mostly sunny, with a high near 90. East southeast wind 0 to 3 mph.

    Saturday Night: Mostly clear, with a low around 69. East southeast wind 0 to 5 mph.

    Mostly Sunny
  • Sun11/115% chance of precipitationLow 70°High 91°

    Sunday: A slight chance of rain showers after noon. Mostly sunny, with a high near 91. East northeast wind 0 to 7 mph. Chance of precipitation is 20%.

    Sunday Night: Partly cloudy, with a low around 70. East southeast wind 2 to 7 mph.

    Mostly Sunny then Slight Chance Rain Showers
  • Mon11/2Low 71°High 93°

    Monday: Mostly sunny, with a high near 93. South southeast wind 3 to 12 mph, with gusts as high as 22 mph.

    Monday Night: Mostly clear, with a low around 71. Southeast wind around 10 mph, with gusts as high as 24 mph.

    Mostly Sunny
  • Tue11/315% chance of precipitationLow 65°High 91°

    Tuesday: A slight chance of rain showers after noon. Mostly sunny, with a high near 91. Chance of precipitation is 20%.

    Tuesday Night: A slight chance of rain showers before midnight. Mostly clear, with a low around 65. Chance of precipitation is 20%.

    Mostly Sunny then Slight Chance Rain Showers
  • Wed11/4Low High 85°

    Wednesday: Sunny, with a high near 85.

    Sunny

Forecast for 26.735, -98.394 from the NWS BRO office, updated 10/28/2026, 5:45 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now81°Partly Cloudy7%8 mph
  2. 8 PM79°Partly Cloudy7%8 mph
  3. 9 PM77°Mostly Cloudy6%7 mph
  4. 10 PM76°Mostly Cloudy6%6 mph
  5. 11 PM75°Mostly Cloudy6%5 mph
  6. 12 AM74°Mostly Cloudy7%5 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

Will it rain in San Isidro, TX 78588 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in San Isidro, TX 78588 today?
Sunrise is about 7:40 AM CDT and sunset is about 6:53 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in San Isidro, TX 78588?
At Mccook, the 1991 to 2020 normal high in October is 86°F and the normal low is 64°F.

Nearby hazards

Texas hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:General thunderstormsOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

Drought

By county

Starr County, week of 10/20/2026

100% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:40 AM
Sunset
6:53 PM
Daylight
11 hr 13 min
Moon
Waning Gibbous 91% lit
First light (civil dawn)
7:17 AM
Last light (civil dusk)
7:17 PM
Moonrise
8:48 PM
Moonset
10:21 AM

Normal October weather

Climate

Normal October high 86°, low 64°, precipitation 2.69 in for the month. 1991 to 2020 normals at Mccook, 20 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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