San Juan, TX Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Juan, TX in one place.
A slight chance of rain showers before 9am. Mostly sunny, with a high near 81. Heat index values as high as 83. North northeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
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: Nov 6, 2026 9:26 AM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for San Juan, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 9:26 AM CST
- Forecast office
- CRP
- Source
- NOAA / NWS
Daily Outlook
This Week in San Juan
Today looks like the warmest upcoming period in San Juan at 81 degrees F.
Sunday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Sunday at about 21 mph ENE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 6, 2026 9:26 AM CST
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- CRP
- Radar station
- KCRP
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 65. North northeast wind 3 to 9 mph.
A slight chance of rain showers after 3pm. Partly sunny, with a high near 80. Heat index values as high as 83. East northeast wind 9 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind 15 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 74. East northeast wind around 21 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and thunderstorms likely. Mostly cloudy, with a low around 59. Northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 70. Northeast wind 12 to 17 mph. Chance of precipitation is 70%.
A slight chance of rain showers. Mostly cloudy, with a low around 59. North northeast wind 6 to 10 mph. Chance of precipitation is 20%.
Mostly cloudy, with a high near 74. North northeast wind around 8 mph.
Mostly cloudy, with a low around 62.
A slight chance of rain showers. Mostly cloudy, with a high near 77. Chance of precipitation is 20%.
A chance of rain showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Partly sunny, with a high near 79.
Partly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 6
|
Slight Chance Rain Showers then Mostly Sunny
|
81°F |
8 to 14 mph
NNE
|
|
Tonight
Nov 6
|
Partly Cloudy
|
65°F |
3 to 9 mph
NNE
|
|
Saturday
Nov 7
|
Partly Sunny then Slight Chance Rain Showers
|
80°F |
9 to 17 mph
ENE
|
|
Saturday Night
Nov 7
|
Chance Showers And Thunderstorms
|
67°F |
15 to 18 mph
E
|
|
Sunday
Nov 8
|
Showers And Thunderstorms Likely
|
74°F |
21 mph
ENE
|
|
Sunday Night
Nov 8
|
Showers And Thunderstorms Likely
|
59°F |
15 to 20 mph
NE
|
|
Monday
Nov 9
|
Showers And Thunderstorms Likely
|
70°F |
12 to 17 mph
NE
|
|
Monday Night
Nov 9
|
Slight Chance Rain Showers
|
59°F |
6 to 10 mph
NNE
|
|
Tuesday
Nov 10
|
Mostly Cloudy
|
74°F |
8 mph
NNE
|
|
Tuesday Night
Nov 10
|
Mostly Cloudy
|
62°F |
1 to 6 mph
NNE
|
|
Veterans Day
Nov 11
|
Slight Chance Rain Showers
|
77°F |
6 mph
NE
|
|
Wednesday Night
Nov 11
|
Chance Rain Showers
|
62°F |
2 to 6 mph
NNE
|
|
Thursday
Nov 12
|
Partly Sunny
|
79°F |
9 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
59°F |
6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Juan.