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WeatherLive › Texas › San Juan

San Juan, TX Weather (78589)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherSan Juan · 4:01 AM CDT
107° | 79°
81°F
Feels like 86°
Sunny
WindS 13 mph · Gusts 24 mph
Precip4% · –
Humidity82% · Dew point 75°
UV index11 Extreme
Air Quality27 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset7:09 AM · 7:59 PM · 12h 50m

Weather map — San Juan

Full radar →
Now
80°
11%
13 mph
05:00
80°
12%
11 mph
06:00
79°
14%
11 mph
07:00
79°
14%
10 mph
08:00
80°
12%
11 mph
09:00
85°
6%
13 mph
10:00
88°
4%
13 mph
11:00
98°
2%
12 mph
12:00
101°
1%
11 mph
13:00
104°
1%
11 mph
14:00
106°
1%
11 mph
15:00
107°
0%
11 mph
16:00
103°
2%
12 mph
17:00
103°
3%
15 mph
18:00
100°
9%
19 mph
19:00
95°
10%
21 mph
20:00
90°
11%
19 mph
21:00
87°
13%
19 mph
22:00
84°
6%
18 mph
23:00
82°
6%
16 mph
00:00
82°
7%
15 mph
01:00
81°
9%
13 mph
02:00
81°
10%
12 mph
03:00
81°
9%
12 mph

Today · Tue 8/25

High 107°
4% / –

Sunny. Winds SE at 21 mph.

Overnight · Tue 8/25

Low 79°
— / –

Sunny.

Tomorrow · Wed 8/26

103° | 79°
3% / –

Sunny. Winds SE at 19 mph.

7-day trend

San Juan · temperature + precipitation

10-day forecast

Updated 4:01 AM

Details & indices

Wind
13 mph S
Gusts 24 mph
Humidity
82%
Dew point 75°
Pressure
29.94 inHg
Rising
UV index
11 — Extreme
High today
Air Quality
Good
AQI 27 · US EPA
Allergy
None detected
—
Visibility
6 mi
Clear view
Allergy — San Juan

🌿 Conditions right now

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

Sun & moon

Sunrise7:09 AM
Sunset7:59 PM
Length of day12h 50m
Moonrise6:39 PM
Moonset4:42 AM
Moon phase🌔 Waxing Gibbous · 92%
Next full moonAug 27 Sturgeon Moon
Latitude26.1892°N
Longitude-98.1553°E

Water temps nearby

View all →
South Padre Island (61 mi)85°
🌤️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
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
Houston
Sunny
79°
San Antonio
Sunny
77°
Dallas
Sunny
87° 🌤️
Fort Worth
—
—
Austin
Sunny
81° 🌤️
El Paso
—
—
Data sources · Tuesday, August 25
Where the San Juan 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: 26.1892°N, -98.1553°.
NBM + global weather models
Updated: 4:01 AM
Weather in San Juan
Over the next 10 days San Juan tops out around 107° (Tuesday) and dips to 79° on the coolest night (Tuesday). Essentially no rain is in the forecast — expect a dry stretch. Wind is the one to watch: gusts to 33 mph around Friday. No watches or warnings are active for the area right now. Right now San Juan is about 14° cooler than nearby Laredo. Longer view: continental plains — big swings and a spring severe-storm season.
San Juan, TX · Elev 108 ft · 26.19°N, 98.16°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: 4:01 AM