New York, NY 70° Los Angeles, CA 65° Chicago, IL 66° 🌤️ Houston, TX Miami, FL 78° Phoenix, AZ 81° 🌤️ Seattle, WA 🌤️ Denver, CO Toronto, ON 57° Vancouver, BC 61°
WeatherLive › Texas › Sebastian

Sebastian, TX Weather (78594)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSebastian · 6:12 AM CDT
103° | 80°
80°F
Feels like 86°
Mostly cloudy
WindSE 10 mph · Gusts 22 mph
Precip6% · –
Humidity88% · Dew point 76°
UV index10 Very high
Air Quality19 Good
Pressure29.91 inHg
Visibility6 mi
Sunrise / Sunset7:05 AM · 8:03 PM · 12h 58m

Weather map — Sebastian

Full radar →
Now
80°
28%
10 mph
07:00
80°
28%
9 mph
08:00
82°
25%
11 mph
09:00
86°
17%
14 mph
10:00
90°
15%
16 mph
11:00
93°
13%
17 mph
12:00
97°
3%
17 mph
13:00
99°
3%
17 mph
14:00
103°
1%
17 mph
15:00
103°
1%
17 mph
16:00
103°
1%
19 mph
17:00
101°
1%
19 mph
18:00
99°
1%
18 mph
19:00
95°
1%
18 mph
20:00
90°
2%
16 mph
21:00
86°
12%
15 mph
22:00
84°
5%
14 mph
23:00
83°
7%
13 mph
00:00
83°
8%
12 mph
01:00
83°
16%
11 mph
02:00
82°
10%
12 mph
03:00
82°
10%
11 mph
04:00
82°
12%
11 mph
05:00
81°
17%
11 mph

Today · Thu 8/20

High 103°
6% / –

Sunny. Winds S at 19 mph.

Overnight · Thu 8/20

Low 80°
— / –

Sunny.

Tomorrow · Fri 8/21

103° | 81°
7% / –

Mostly cloudy. Winds SE at 18 mph.

7-day trend

Sebastian · temperature + precipitation

10-day forecast

Updated 6:12 AM

Details & indices

Wind
10 mph SE
Gusts 22 mph
Humidity
88%
Dew point 76°
Pressure
29.91 inHg
Rising
UV index
10 — Very high
High today
Air Quality
Good
AQI 19 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — Sebastian

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise7:05 AM
Sunset8:03 PM
Length of day12h 58m
Moonrise2:42 PM
Moonset12:22 AM
Moon phase🌓 First Quarter · 53%
Next full moonAug 27 Sturgeon Moon
Latitude26.3428°N
Longitude-97.7903°E

Water temps nearby

View all →
South Padre Island (42 mi)86°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

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
—
— 🌤️
Dallas
—
— 🌤️
Fort Worth
—
— 🌤️
Austin
—
— 🌤️
El Paso
—
—
Data sources · Thursday, August 20
Where the Sebastian 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: 26.3428°N, -97.7903°.
NBM + global weather models
Updated: 6:12 AM
Weather in Sebastian
Over the next 10 days Sebastian tops out around 104° (Friday) and dips to 75° on the coolest night (Wednesday). The gauge should stay near zero — no meaningful precipitation is expected. Expect a blustery spell — gusts near 31 mph on Tuesday. No watches or warnings are active for the area right now. Right now Sebastian is about 17° cooler than nearby Victoria. Longer view: continental plains — big swings and a spring severe-storm season.
Sebastian, TX · Elev 39 ft · 26.34°N, 97.79°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: 6:12 AM