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Castroville, TX 78066 Weather

It is 66°F and light rain and fog/mist in Castroville, TX 78066, observed at 9:10 AM CDT. Today: Rain Showers, high 68°F, low 63°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Castroville, TX 78066 current weather

66°F

Light Rain and Fog/Mist

H 68° / L 63°Feels like 66°

Observed at San Antonio - Kelly Field (18.7 mi away), 10/30/2026, 9:10 AM CDT

Hourly forecast

NWS, updated 10/30/2026, 4:42 AM PT

  1. Now65°75%
  2. 10 AM68°87%
  3. 11 AM68°87%
  4. 12 PM68°87%
  5. 1 PM67°75%
  6. 2 PM67°75%
  7. 3 PM68°75%
  8. 4 PM67°50%
  9. 5 PM68°50%
  10. 6 PM67°50%
  11. 7 PM66°38%
  12. 8 PM64°38%
  13. 9 PM63°38%
  14. 10 PM64°32%
  15. 11 PM65°32%
  16. 12 AM65°32%Sat
  17. 1 AM64°35%
  18. 2 AM65°35%
  19. 3 AM65°35%
  20. 4 AM65°32%
  21. 5 AM65°32%
  22. 6 AM65°32%
  23. 7 AM64°19%
  24. 8 AM64°19%
  25. 9 AM66°19%
  26. 10 AM69°14%
  27. 11 AM72°14%
  28. 12 PM73°14%
  29. 1 PM75°10%
  30. 2 PM76°10%
  31. 3 PM77°10%
  32. 4 PM77°
  33. 5 PM78°
  34. 6 PM76°
  35. 7 PM73°
  36. 8 PM72°
  37. 9 PM70°
  38. 10 PM69°
  39. 11 PM69°
  40. 12 AM69°Sun
  41. 1 AM69°
  42. 1 AM68°
  43. 2 AM67°
  44. 3 AM66°
  45. 4 AM66°
  46. 5 AM65°
  47. 6 AM66°
  48. 7 AM67°

10-day forecast

Tap a day for details

  • Today10/3087% chance of precipitationLow 63°High 68°

    Today: Rain showers. Cloudy, with a high near 68. East wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Tonight: A chance of rain showers. Cloudy, with a low around 63. East northeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    Rain Showers
  • Sat10/3132% chance of precipitationLow 65°High 78°

    Saturday: A chance of rain showers before 10am. Mostly cloudy, with a high near 78. East wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.

    Saturday Night: Mostly cloudy, with a low around 65. East northeast wind 0 to 5 mph.

    Chance Rain Showers then Mostly Cloudy
  • Sun11/1Low 67°High 82°

    Sunday: Partly sunny, with a high near 82. East southeast wind around 5 mph.

    Sunday Night: Mostly cloudy, with a low around 67. Southeast wind around 5 mph.

    Partly Sunny
  • Mon11/243% chance of precipitationLow 66°High 84°

    Monday: Partly sunny, with a high near 84. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Monday Night: A chance of rain showers before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Partly Sunny
  • Tue11/333% chance of precipitationLow 54°High 79°

    Tuesday: A chance of showers and thunderstorms before noon. Partly sunny, with a high near 79. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Tuesday Night: Mostly clear, with a low around 54.

    Chance Showers And Thunderstorms then Partly Sunny
  • Wed11/4Low 54°High 78°

    Wednesday: Sunny, with a high near 78.

    Wednesday Night: Mostly clear, with a low around 54.

    Sunny
  • Thu11/5Low 55°High 79°

    Thursday: Sunny, with a high near 79.

    Thursday Night: Mostly clear, with a low around 55.

    Sunny
  • Fri11/6Model blendLow 56°High 80°

    Friday: Mostly sunny. High near 80°. Low that night near 56°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blend32% chance of precipitationLow 58°High 77°

    Saturday: Chance of rain. High near 77°. Low that night near 58°. About 0.68 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend28% chance of precipitationLow 55°High 77°

    Sunday: Partly cloudy, slight chance of rain. High near 77°. Low that night near 55°. About 0.28 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 29.487, -98.871 from the NWS EWX office, updated 10/30/2026, 4:42 AM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSKF (Lackland AFB/Kelly Fld, 19 mi), model run 10/30/2026, 3:00 AM CDT

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. Now65°Rain Showers75%10 mph
  2. 10 AM68°Rain Showers87%10 mph
  3. 11 AM68°Rain Showers87%10 mph
  4. 12 PM68°Rain Showers87%10 mph
  5. 1 PM67°Rain Showers75%10 mph
  6. 2 PM67°Rain Showers75%10 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

What is the weather in Castroville, TX 78066 right now?
The latest observation from San Antonio - Kelly Field was 66°F and light rain and fog/mist, reported at 10/30/2026, 9:10 AM CDT.
What is the high temperature today in Castroville, TX 78066?
The National Weather Service forecast for today calls for a high near 68°F. Rain Showers.
Will it rain in Castroville, TX 78066 in the next 24 hours?
The hourly forecast shows a 75% chance of precipitation around 10/30/2026, 9:00 AM CDT.
What is the 10-day forecast for Castroville, TX 78066?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 77°F to 80°F and up to a 32% chance of precipitation. Model guidance this far out often changes.
What time is sunrise and sunset in Castroville, TX 78066 today?
Sunrise is about 7:47 AM CDT and sunset is about 6:50 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Castroville, TX 78066?
At San Antonio/Seaworld, the 1991 to 2020 normal high in October is 85°F and the normal low is 62°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.66 in
Snow
0.00 in
Ice
0.00 in

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

UV and air quality forecast

EPA and AirNow

AQI forecast today (San Antonio)
ModeratePM2.5
AQI forecast tomorrow (San Antonio)
ModeratePM2.5

UV index guide · Air quality

Drought

By county

Medina County, week of 10/27/2026

96% of the county is in moderate drought or worse, 34% in extreme drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:47 AM
Sunset
6:50 PM
Daylight
11 hr 3 min
Moon
Waning Gibbous 79% lit
First light (civil dawn)
7:22 AM
Last light (civil dusk)
7:15 PM
Moonrise
10:53 PM
Moonset
12:42 PM

Normal October weather

Climate

Normal October high 85°, low 62°, precipitation 3.81 in for the month. 1991 to 2020 normals at San Antonio/Seaworld, 10 mi away.

Other places nearby

Data sources

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About this data

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