Castroville, TX 78009 Monthly Weather

Medina County11:08 PM CDT29.36°N, 98.88°W
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October 2026

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187°/73°1.67 inAvg 89°/66°
281°/71°0.55 inAvg 89°/66°
382°/74°Avg 89°/66°
481°/73°<0.01 inAvg 88°/65°
588°/72°<0.01 inAvg 88°/65°
689°/65°Avg 88°/65°
791°/62°Avg 88°/64°
891°/61°<0.01 inAvg 87°/64°
991°/64°Avg 87°/64°
1091°/59°Avg 87°/63°
1191°/69°Avg 86°/63°
1292°/75°<0.01 inAvg 86°/62°
1394°/79°<0.01 inAvg 86°/62°
1495°/78°<0.01 inAvg 85°/61°
1591°/76°Avg 85°/61°
1677°/58°Avg 85°/60°
1770°/49°Avg 84°/60°
1873°/44°Avg 84°/60°
19Avg 83°/59°
20Avg 83°/59°
21Avg 82°/58°
22 Mostly Clear –/59°Avg 82°/58°
23 Sunny 86°/63°Avg 82°/57°
24 Partly Sunny 85°/64°Avg 81°/57°
25 Mostly Cloudy 82°/59°Avg 81°/56°
26 Partly Sunny 81°/62°Avg 80°/56°
27 Chance Rain Showers 78°/60°Avg 80°/56°
28 Mostly Sunny 80°/60°Avg 79°/55°
29 Partly Sunny then Slight Chance Rain Showers 79°/–Avg 79°/55°
30 Showers 77°/67°Avg 78°/54°
31 Rain 80°/66°Avg 78°/54°
Average high86° (normal 87°)
Average low67° (normal 63°)
Warmest / coldest95° / 44°
Precipitation2.23 in (normal 0.00 in to date)
Record high today92° (1950)
Record low today43° (1964)

Observed: San Antonio Kelly Field Afb, 29 km away, records since 1949. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.