Weather forecast for 10 days
San Juan, TX

Weather forecast for the weekend

Saturday, May 17.

Mostly Sunny
6:43 am

8:14 pm
CDT
Mostly Sunny
99°F / 79°F
  • Wind: 19mph SE
  • Humidity: 58%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 11
On Saturday, May 17, sun-filled skies will remain for most of the day.
The predicted temperature range extends from a high of a steamy 98.6°F to a low of a temperate 78.8°F.
The forecast high is higher and more aligned with what is typical in June than in May.
Sunrise will be at 6:43 am and sunset at 8:14 pm; the daylight will last for 13h and 31min.

Sunday, May 18.

Partly Cloudy
6:43 am

8:15 pm
CDT
Partly Cloudy
99°F / 79°F
  • Wind: 20mph SSE
  • Humidity: 58%
  • Precip. probability: 6%
  • Precipitation: 0"
  • UV index: 11
On Sunday, May 18, occasional clouds will pass by, but expect bright spells.
Temperature fluctuations between a sweltering 98.6°F and a temperate 78.8°F are predicted.
The expected high is higher and consistent with June's normal of 95.5°F rather than May's.
Sunrise will be at 6:43 am and sunset at 8:15 pm; the daylight will last for 13h and 32min.

Frequently asked questions

What is the weather forecast for San Juan for Saturday?
On Saturday, in San Juan, dry and sunny weather is expected throughout the day.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 98.6°F, while the lowest temperature will be 78.8°F.
What is the weather forecast for San Juan for Sunday?
On Sunday, some passing clouds may drift through, but the sun will shine at times.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 98.6°F, while the lowest temperature will be 78.8°F.
What is the weather forecast for San Juan for the next ten days?
In San Juan, a combination of cloud-filled and sunny weather is predicted for the next ten days.
How hot will it be in the next ten days?
The maximum temperature will range between 96.8°F and 102.2°F, while the minimum temperature will be between 75.2°F and 80.6°F.
Including the humidity's impact, the maximum feel-like temperature will range between 109.4°F and 127.4°F.
What will be the hottest and the coldest days?
With the maximum temperature of 102.2°F, Thursday will be the hottest day. The coldest day will be next Thursday, with a maximum of 96.8°F.

Long-term weather forecast

TueMay 13.
  • 99°F
  • 75°F
Sunny / Wind
Sunny / Wind
  • Wind: 20mph SSE
  • Humidity: 45%
  • UV index: 11
  • Precip. probability: 2%
  • Precipitation: 0"
  • 6:45 am 8:12 pm CDT
WedMay 14.
  • 100°F
  • 77°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Wind: 21mph SSE
  • Humidity: 53%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:45 am 8:12 pm CDT
ThuMay 15.
  • 102°F
  • 77°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 23mph SSE
  • Humidity: 48%
  • UV index: 11
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:44 am 8:13 pm CDT
FriMay 16.
  • 99°F
  • 79°F
Mostly Sunny
Mostly Sunny
  • Wind: 20mph SSE
  • Humidity: 58%
  • UV index: 11
  • Precip. probability: 8%
  • Precipitation: 0"
  • 6:44 am 8:13 pm CDT
SatMay 17.
  • 99°F
  • 79°F
Mostly Sunny
Mostly Sunny
  • Wind: 19mph SE
  • Humidity: 58%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:43 am 8:14 pm CDT
SunMay 18.
  • 99°F
  • 79°F
Partly Cloudy
Partly Cloudy
  • Wind: 20mph SSE
  • Humidity: 58%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:43 am 8:15 pm CDT
MonMay 19.
  • 99°F
  • 81°F
Partly Cloudy / Wind
Partly Cloudy / Wind
  • Wind: 21mph SSE
  • Humidity: 60%
  • UV index: 11
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:42 am 8:15 pm CDT
TueMay 20.
  • 100°F
  • 81°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 17mph SSE
  • Humidity: 57%
  • UV index: 11
  • Precip. probability: 10%
  • Precipitation: 0"
  • 6:42 am 8:16 pm CDT
WedMay 21.
  • 99°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph SE
  • Humidity: 59%
  • UV index: 10
  • Precip. probability: 20%
  • Precipitation: 0"
  • 6:41 am 8:16 pm CDT
ThuMay 22.
  • 97°F
  • 77°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph ESE
  • Humidity: 60%
  • UV index: 11
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:41 am 8:17 pm CDT
Conditions over the next ten days suggest that a combination of overcast and dry and sunny weather is anticipated.
Rainfall is not forecasted in San Juan in the upcoming days.
Temperature variation will be minimal across the forecast window. The maximum temperature will vary between 96.8°F and 102.2°F, while the nighttime low will be also mostly stable, as the minimum temperature is expected to range between 75.2°F and 80.6°F.
Expect the hottest day on Thursday, with temperatures peaking at 102.2°F; the coldest day will be next Thursday, with a maximum of 96.8°F.
Including the humidity's impact, the maximum feel-like temperature may increase significantly and range between a scorching 109.4°F and a searing 127.4°F.
Updated: May 13, 2025 @ 06:15:40 UTC
Published by: Weather Atlas | About Us
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