New York, NY 72° Los Angeles, CA 73° Chicago, IL 70° 🌤️ Houston, TX Miami, FL 86° Phoenix, AZ 88° Seattle, WA 60° 🌤️ Denver, CO Toronto, ON 71° 🌤️ Vancouver, BC
WeatherLive › Texas › Castroville

Castroville, TX Weather (78009)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherCastroville · 10:22 AM CDT
100° | 76°
82°F
Feels like 87°
Sunny
WindS 4 mph · Gusts 5 mph
Precip2% · –
Humidity76% · Dew point 73°
UV index11 Very high
Air Quality53 Moderate
Pressure30.06 inHg
Visibility6 mi
Sunrise / Sunset7:07 AM · 8:09 PM · 13h 2m

Weather map — Castroville

Full radar →
Now
82°
7%
4 mph
11:00
90°
5%
5 mph
12:00
93°
3%
5 mph
13:00
96°
1%
5 mph
14:00
98°
1%
4 mph
15:00
99°
1%
4 mph
16:00
100°
1%
4 mph
17:00
100°
1%
7 mph
18:00
98°
0%
10 mph
19:00
95°
1%
9 mph
20:00
93°
0%
9 mph
21:00
86°
1%
8 mph
22:00
85°
1%
7 mph
23:00
86°
1%
12 mph
00:00
83°
1%
9 mph
01:00
81°
2%
5 mph
02:00
81°
2%
3 mph
03:00
81°
4%
1 mph
04:00
80°
9%
2 mph
05:00
79°
12%
1 mph
06:00
79°
6%
3 mph
07:00
78°
4%
2 mph
08:00
76°
3%
2 mph
09:00
79°
12%
3 mph

Today · Sat 8/22

High 100°
2% / –

Sunny. Winds SE at 12 mph.

Tonight · Sat 8/22

Low 76°
1% / –

Sunny. Winds SE at 8 mph.

Tomorrow · Sun 8/23

99° | 76°
2% / –

Sunny. Winds SE at 14 mph.

7-day trend

Castroville · temperature + precipitation

10-day forecast

Updated 10:22 AM

Details & indices

Wind
4 mph S
Gusts 5 mph
Humidity
76%
Dew point 73°
Pressure
30.06 inHg
Rising
UV index
11 — Very high
High today
Air Quality
Moderate
AQI 53 · US EPA
Allergy
Very high
Ragweed
Visibility
6 mi
Clear view
Allergy — Castroville

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
Moderate
Ragweed
Very high

Sun & moon

Sunrise7:07 AM
Sunset8:09 PM
Length of day13h 2m
Moonrise4:42 PM
Moonset1:50 AM
Moon phase🌔 Waxing Gibbous · 73%
Next full moonAug 27 Sturgeon Moon
Latitude29.3558°N
Longitude-98.8786°E

Water temps nearby

View all →
No beaches within 50 miles

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Houston
—
—
San Antonio
Mostly cloudy
86° 🌤️
Dallas
—
—
Fort Worth
Sunny
83°
Austin
Sunny
84° 🌤️
El Paso
—
—
Data sources · Saturday, August 22
Where the Castroville forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 29.3558°N, -98.8786°.
NBM + global weather models
Updated: 10:22 AM
Weather in Castroville
The 10-day span for Castroville runs from a high near 100° on Saturday down to 71° overnight on Monday. Rain totals look negligible: a dry run of days ahead. Wind is the one to watch: gusts to 28 mph around Monday. No active NWS alerts at the moment — quiet on the hazards front. Right now Castroville is running about 4° warmer than San Antonio. Longer view: continental plains — big swings and a spring severe-storm season.
Castroville, TX · Elev 758 ft · 29.36°N, 98.88°W · Texas · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 10:22 AM