San Juan, TX Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for San Juan, TX in one place.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers and thunderstorms likely between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers and thunderstorms likely between 4pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. East southeast wind 5 to 12 mph. Chance of precipitation is 60%.
Local Weather Overview
This forecast page for San Juan, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 2:45 PM CDT.
The active forecast window currently covers Apr 10 to Apr 15, 2026 for San Juan, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:45 PM CDT
- Forecast office
- BRO
- Source
- NOAA / NWS
Daily Outlook
This Week in San Juan
Wednesday looks like the warmest upcoming period in San Juan at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Tuesday at about 16 to 20 mph SE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:45 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- BRO
- Radar station
- KBRO
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70. East southeast wind 6 to 12 mph. Chance of precipitation is 20%.
A chance of rain showers after 7am. Partly sunny, with a high near 86. East southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
A chance of rain showers before 7pm. Mostly cloudy, with a low around 72. Southeast wind 12 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Partly sunny, with a high near 87. Southeast wind 12 to 17 mph, with gusts as high as 30 mph.
Mostly cloudy, with a low around 73. Southeast wind 13 to 16 mph, with gusts as high as 26 mph.
Partly sunny, with a high near 90. Southeast wind 13 to 17 mph, with gusts as high as 29 mph.
Partly cloudy, with a low around 73. Southeast wind around 17 mph, with gusts as high as 29 mph.
Partly sunny, with a high near 91. Southeast wind 16 to 20 mph, with gusts as high as 32 mph.
Partly cloudy, with a low around 73.
Partly sunny, with a high near 92.
Mostly cloudy, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Chance Showers And Thunderstorms
|
82°F |
5 to 12 mph
ESE
|
|
Friday Night
Apr 10
|
Slight Chance Showers And Thunderstorms
|
70°F |
6 to 12 mph
ESE
|
|
Saturday
Apr 11
|
Chance Rain Showers
|
86°F |
6 to 15 mph
ESE
|
|
Saturday Night
Apr 11
|
Chance Rain Showers then Mostly Cloudy
|
72°F |
12 to 15 mph
SE
|
|
Sunday
Apr 12
|
Partly Sunny
|
87°F |
12 to 17 mph
SE
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
73°F |
13 to 16 mph
SE
|
|
Monday
Apr 13
|
Partly Sunny
|
90°F |
13 to 17 mph
SE
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
73°F |
17 mph
SE
|
|
Tuesday
Apr 14
|
Partly Sunny
|
91°F |
16 to 20 mph
SE
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
73°F |
14 to 17 mph
SE
|
|
Wednesday
Apr 15
|
Partly Sunny
|
92°F |
14 to 17 mph
SE
|
|
Wednesday Night
Apr 15
|
Mostly Cloudy
|
72°F |
10 to 15 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Juan.