San Juan, TX Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Juan, TX in one place.
Sunny, with a high near 94. East southeast wind around 10 mph.
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: Oct 15, 2026 4:26 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for San Juan, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 4:26 PM CDT
- Forecast office
- BRO
- Source
- NOAA / NWS
Daily Outlook
This Week in San Juan
This Afternoon looks like the warmest upcoming period in San Juan at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Friday Night at about 21 to 24 mph N.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 4:26 PM CDT
- Coverage
- 7 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
Mostly clear, with a low around 73. East wind 1 to 12 mph, with gusts as high as 21 mph.
A slight chance of rain showers between 2pm and 4pm. Mostly sunny. High near 85, with temperatures falling to around 78 in the afternoon. North wind 5 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Mostly cloudy, with a low around 60. North wind 21 to 24 mph, with gusts as high as 45 mph.
Mostly sunny, with a high near 74. North wind 13 to 21 mph, with gusts as high as 43 mph.
Partly cloudy, with a low around 59. North wind 3 to 12 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 80. North wind 3 to 9 mph.
Mostly cloudy, with a low around 64. North northeast wind 0 to 3 mph.
Partly sunny, with a high near 84. North northeast wind around 7 mph.
Partly cloudy, with a low around 68. North northeast wind 1 to 7 mph.
A chance of rain showers after 1pm. Mostly sunny, with a high near 89. North northeast wind 5 to 9 mph. Chance of precipitation is 30%.
A chance of rain showers before 7pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
A chance of rain showers after 1pm. Sunny, with a high near 92. Chance of precipitation is 30%.
A chance of rain showers before 7pm. Mostly clear, with a low around 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Sunny
|
94°F |
10 mph
ESE
|
|
Tonight
Oct 15
|
Mostly Clear
|
73°F |
1 to 12 mph
E
|
|
Friday
Oct 16
|
Mostly Sunny then Slight Chance Rain Showers
|
85°F |
5 to 22 mph
N
|
|
Friday Night
Oct 16
|
Mostly Cloudy
|
60°F |
21 to 24 mph
N
|
|
Saturday
Oct 17
|
Mostly Sunny
|
74°F |
13 to 21 mph
N
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
59°F |
3 to 12 mph
N
|
|
Sunday
Oct 18
|
Mostly Sunny
|
80°F |
3 to 9 mph
N
|
|
Sunday Night
Oct 18
|
Mostly Cloudy
|
64°F |
0 to 3 mph
NNE
|
|
Monday
Oct 19
|
Partly Sunny
|
84°F |
7 mph
NNE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
68°F |
1 to 7 mph
NNE
|
|
Tuesday
Oct 20
|
Mostly Sunny then Chance Rain Showers
|
89°F |
5 to 9 mph
NNE
|
|
Tuesday Night
Oct 20
|
Chance Rain Showers then Partly Cloudy
|
72°F |
2 to 9 mph
ENE
|
|
Wednesday
Oct 21
|
Sunny then Chance Rain Showers
|
92°F |
3 to 10 mph
ENE
|
|
Wednesday Night
Oct 21
|
Chance Rain Showers then Mostly Clear
|
73°F |
3 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Juan.