Live Weather & Forecast
Weather in San Juan
Texas, United States · Real-time conditions & 3-day outlook
29°C
Feels like 31°C
84°F / Feels 88°F
Overcast
San Juan, Texas
🌞 Daytime
Updated: 2026-04-12 17:30
Humidity
65%
Wind
31 km/h SE
Wind Gust
36.8 km/h
Pressure
1014 mb
Visibility
16 km
UV Index
2.3
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
21.5°C
Wind Degree
142°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
147.9 μg/m³
NO₂
4.7 μg/m³
O₃
72 μg/m³
SO₂
1.8 μg/m³
PM 2.5
7.3 μg/m³
PM 10
9.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for San Juan, Texas
12 AM
24°
Cloudy
1 AM
24°
Overcast
2 AM
24°
Overcast
3 AM
24°
Overcast
4 AM
24°
Overcast
5 AM
24°
Patchy rain nearby
6 AM
24°
Patchy rain nearby
7 AM
24°
Partly Cloudy
8 AM
24°
Cloudy
9 AM
24°
Overcast
10 AM
25°
Overcast
11 AM
26°
Patchy rain nearby
12 PM
26°
Patchy rain nearby
1 PM
27°
Overcast
2 PM
29°
Partly Cloudy
3 PM
29°
Partly Cloudy
4 PM
30°
Partly Cloudy
5 PM
29°
Overcast
6 PM
29°
Sunny
7 PM
28°
Sunny
8 PM
27°
Clear
9 PM
26°
Patchy rain nearby
10 PM
25°
Patchy rain nearby
11 PM
25°
Patchy rain nearby
3-Day Forecast
Daily overview for San Juan, Texas
Today
Patchy rain nearby
30°
/
23°
🌧️ 86% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 32 km/h
🌧️ Total precip: 0.21 mm
☀️ UV Index: 1.5
🌅 Sunrise: 07:12 AM
🌇 Sunset: 07:55 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
34°
/
23°
🌧️ 87% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 29.9 km/h
🌧️ Total precip: 0.13 mm
☀️ UV Index: 1.7
🌅 Sunrise: 07:11 AM
🌇 Sunset: 07:56 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
33°
/
23°
🌧️ 0% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 34.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.2
🌅 Sunrise: 07:10 AM
🌇 Sunset: 07:56 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit San Juan
Plan your trip to San Juan, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in San Juan?
Current conditions in San Juan: Overcast, temperature 29°C, humidity 65%.
What is the best time to visit San Juan?
The best time to visit San Juan is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in San Juan?
San Juan is located at approximately 26.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in San Juan?
The wettest period in San Juan is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to San Juan?
For visits to San Juan during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is San Juan in?
San Juan is located in United States, in the state of Texas.
What are the public holidays in San Juan in 2026?
View the 2026 public holidays for San Juan on our Holidays page.
What are the GPS coordinates used for the weather forecast in San Juan?
The weather forecast for San Juan uses coordinates 26.1892, -98.1553.