Current Weather Forecast for San Juan

TX 78589  |   4:36pm

Weather Conditions

56°

Feels Like 52°

Cloudy

51° 75° WIND ADVISORY

WIND ADVISORY

0

UV Index

Good

Air Quality

NNW 16 mph

Wind

0 in

rain

Tonight

Mon 12/29

47°

Lowest Temperature

1%

Mostly cloudy. Low 47F. Winds N at 10 to 20 mph.

Tomorrow

Tue 12/30

62°

Highest Temperature

Cloudy skies early, then partly cloudy in the afternoon. High 62F. Winds N at 10 to 15 mph.

Tomorrow night

Tue 12/30

43°

Lowest Temperature

1%

Partly cloudy. Low 43F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in San Juan

Hourly Weather Forecast & Temperature

5PM

55°

Feels Like 51°

WIND ADVISORY

Cloudy

N 16 mph

Wind

1030 mb

Pressure

20%

Humidity

0

UV Index

10mi

Visibility

98%

Cloud Cover

6PM

1%

54°

Feels Like 51°

WIND ADVISORY

Cloudy

NNW 14 mph

Wind

1031 mb

Pressure

22%

Humidity

0

UV Index

10mi

Visibility

100%

Cloud Cover

7PM

53°

Feels Like 49°

Cloudy

NNW 13 mph

Wind

1031 mb

Pressure

24%

Humidity

0

UV Index

10mi

Visibility

96%

Cloud Cover

8PM

53°

Feels Like 49°

Cloudy

NNW 13 mph

Wind

1032 mb

Pressure

26%

Humidity

0

UV Index

10mi

Visibility

94%

Cloud Cover

9PM

52°

Feels Like 48°

Cloudy

NNW 12 mph

Wind

1032 mb

Pressure

25%

Humidity

0

UV Index

10mi

Visibility

91%

Cloud Cover

10PM

52°

Feels Like 48°

Cloudy

NNW 12 mph

Wind

1032 mb

Pressure

27%

Humidity

0

UV Index

10mi

Visibility

83%

Cloud Cover

11PM

52°

Feels Like 48°

Mostly Cloudy

NNW 11 mph

Wind

1033 mb

Pressure

27%

Humidity

0

UV Index

10mi

Visibility

75%

Cloud Cover

12AM

52°

Feels Like 48°

Mostly Cloudy

NNW 11 mph

Wind

1033 mb

Pressure

27%

Humidity

0

UV Index

10mi

Visibility

73%

Cloud Cover

1AM

52°

Feels Like 48°

Mostly Cloudy

N 11 mph

Wind

1032 mb

Pressure

27%

Humidity

0

UV Index

10mi

Visibility

71%

Cloud Cover

2AM

51°

Feels Like 47°

Mostly Cloudy

N 11 mph

Wind

1032 mb

Pressure

29%

Humidity

0

UV Index

10mi

Visibility

70%

Cloud Cover

3AM

50°

Feels Like 46°

Cloudy

N 11 mph

Wind

1032 mb

Pressure

30%

Humidity

0

UV Index

10mi

Visibility

90%

Cloud Cover

4AM

50°

Feels Like 46°

Mostly Cloudy

N 11 mph

Wind

1032 mb

Pressure

31%

Humidity

0

UV Index

10mi

Visibility

75%

Cloud Cover

Mon 12/29

Mon

1%

51°

75°

WIND ADVISORY

Mainly cloudy. Lows overnight in the upper 40s.

44°

Feels Like

N 16 mph

Wind

27%

Humidity

0

UV Index

7:19 AM

Sunrise

5:50 PM

Sunset

Tue 12/30

Tue

47°

62°

Morning clouds followed by afternoon sun. Highs in the low 60s and lows in the low 40s.

43°

Feels Like

N 11 mph

Wind

25%

Humidity

5

UV Index

7:19 AM

Sunrise

5:51 PM

Sunset

Wed 12/31

Wed

1%

43°

72°

Abundant sunshine. Highs in the low 70s and lows in the upper 40s.

72°

Feels Like

SE 7 mph

Wind

30%

Humidity

5

UV Index

7:20 AM

Sunrise

5:51 PM

Sunset

Thu 1/1

Thu

5%

49°

81°

Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.

81°

Feels Like

SSE 13 mph

Wind

58%

Humidity

4

UV Index

7:20 AM

Sunrise

5:52 PM

Sunset

Fri 1/2

Fri

6%

59°

88°

Abundant sunshine. Highs in the upper 80s and lows in the low 60s.

88°

Feels Like

S 9 mph

Wind

55%

Humidity

5

UV Index

7:20 AM

Sunrise

5:53 PM

Sunset

Sat 1/3

Sat

9%

60°

86°

Partly cloudy. Highs in the mid 80s and lows in the low 60s.

86°

Feels Like

N 8 mph

Wind

56%

Humidity

5

UV Index

7:20 AM

Sunrise

5:53 PM

Sunset

Sun 1/4

Sun

8%

61°

85°

Times of sun and clouds. Highs in the mid 80s and lows in the mid 60s.

85°

Feels Like

SE 12 mph

Wind

63%

Humidity

5

UV Index

7:21 AM

Sunrise

5:54 PM

Sunset

Mon 1/5

Mon

8%

65°

86°

Mostly sunny. Highs in the mid 80s and lows in the mid 60s.

86°

Feels Like

SSE 10 mph

Wind

64%

Humidity

5

UV Index

7:21 AM

Sunrise

5:55 PM

Sunset

Need to see beyond 12 Hours?

Find more forecast on the FREE FOX WEATHER App

GO TO APP STORE

Latest Stories from Texas

Year in review: Shocking satellite images of extreme weather seen from space

As 2025 comes to an end, it’s time to look back at a year that was defined by nature’s extremes. Here are five of the most significant weather events of 2025 that satellites were able to capture in action.

Six killed in Galveston, Texas plane crash amid foggy conditions

Five people were killed after a plane crashed near the causeway in Galveston County, Texas on Monday as foggy conditions affected the area.

Christmas weather outlook: Millions to see 'nice' forecast with a touch of 'naughty' across nation

Naughty or nice, how will the weather be in your region on Christmas Day?

Colorado fire weather threat deemed 'Particularly Dangerous Situation' by National Weather Service

The National Weather Service (NWS) issued a rare 'Particularly Dangerous Situation' Fire Weather Warning for some areas along the Front Range of the Rocky Mountains Friday.

Load More Stories