Current Weather Forecast for San Juan

TX 78589  |   6:00am

Weather Conditions

81°

Feels Like 89°

Partly Cloudy

80° 101° SPECIAL WEATHER STATEMENT

SPECIAL WEATHER STATEMENT

0

UV Index

Moderate

Air Quality

SE 6 mph

Wind

0 in

rain

Today

Sun 8/16

101°

Highest Temperature

15%

Partly cloudy. Hot. High 101F. Winds SE at 10 to 20 mph.

Tonight

Sun 8/16

78°

Lowest Temperature

7%

A few passing clouds. Low 78F. SE winds at 15 to 25 mph, decreasing to 5 to 10 mph.

Tomorrow

Mon 8/17

99°

Highest Temperature

42%

Partly cloudy with afternoon showers or thunderstorms. Hot. High 99F. Winds SE at 10 to 20 mph. Chance of rain 40%.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in San Juan

Hourly Weather Forecast & Temperature

7AM

4%

81°

Feels Like 89°

SPECIAL WEATHER STATEMENT

Partly Cloudy

SE 6 mph

Wind

1018 mb

Pressure

87%

Humidity

0

UV Index

10mi

Visibility

46%

Cloud Cover

8AM

4%

82°

Feels Like 91°

SPECIAL WEATHER STATEMENT

Partly Cloudy

ESE 6 mph

Wind

1018 mb

Pressure

87%

Humidity

0

UV Index

10mi

Visibility

41%

Cloud Cover

9AM

2%

85°

Feels Like 96°

SPECIAL WEATHER STATEMENT

Partly Cloudy

SE 9 mph

Wind

1019 mb

Pressure

77%

Humidity

1

UV Index

10mi

Visibility

43%

Cloud Cover

10AM

1%

88°

Feels Like 100°

SPECIAL WEATHER STATEMENT

Partly Cloudy

SE 10 mph

Wind

1019 mb

Pressure

68%

Humidity

3

UV Index

10mi

Visibility

51%

Cloud Cover

11AM

2%

92°

Feels Like 103°

SPECIAL WEATHER STATEMENT

Partly Cloudy

SE 10 mph

Wind

1019 mb

Pressure

57%

Humidity

7

UV Index

10mi

Visibility

30%

Cloud Cover

12PM

2%

95°

Feels Like 106°

SPECIAL WEATHER STATEMENT

Partly Cloudy

SE 11 mph

Wind

1019 mb

Pressure

50%

Humidity

10

UV Index

10mi

Visibility

37%

Cloud Cover

1PM

16%

97°

Feels Like 108°

SPECIAL WEATHER STATEMENT

Partly Cloudy

SE 11 mph

Wind

1018 mb

Pressure

45%

Humidity

11

UV Index

10mi

Visibility

31%

Cloud Cover

2PM

3%

99°

Feels Like 109°

SPECIAL WEATHER STATEMENT

Partly Cloudy

ESE 12 mph

Wind

1017 mb

Pressure

41%

Humidity

11

UV Index

10mi

Visibility

49%

Cloud Cover

3PM

14%

99°

Feels Like 109°

SPECIAL WEATHER STATEMENT

Partly Cloudy

ESE 14 mph

Wind

1017 mb

Pressure

41%

Humidity

9

UV Index

10mi

Visibility

58%

Cloud Cover

4PM

6%

99°

Feels Like 110°

SPECIAL WEATHER STATEMENT

Partly Cloudy

ESE 14 mph

Wind

1016 mb

Pressure

41%

Humidity

7

UV Index

10mi

Visibility

51%

Cloud Cover

5PM

1%

99°

Feels Like 109°

SPECIAL WEATHER STATEMENT

Partly Cloudy

ESE 16 mph

Wind

1015 mb

Pressure

41%

Humidity

4

UV Index

10mi

Visibility

43%

Cloud Cover

6PM

1%

97°

Feels Like 106°

SPECIAL WEATHER STATEMENT

Partly Cloudy

ESE 17 mph

Wind

1015 mb

Pressure

42%

Humidity

2

UV Index

10mi

Visibility

47%

Cloud Cover

Sun 8/16

Sun

15%

80°

101°

SPECIAL WEATHER STATEMENT

Partly cloudy. Highs 99 to 103F and lows in the upper 70s.

110°

Feels Like

SE 17 mph

Wind

59%

Humidity

11

UV Index

7:05 AM

Sunrise

8:07 PM

Sunset

Mon 8/17

Mon

42%

78°

99°

Afternoon showers and thunderstorms. Highs in the upper 90s and lows in the upper 70s.

109°

Feels Like

SE 14 mph

Wind

59%

Humidity

11

UV Index

7:05 AM

Sunrise

8:06 PM

Sunset

Tue 8/18

Tue

7%

78°

103°

Sunshine. Highs 101 to 105F and lows in the upper 70s.

107°

Feels Like

SSE 16 mph

Wind

50%

Humidity

11

UV Index

7:06 AM

Sunrise

8:05 PM

Sunset

Wed 8/19

Wed

7%

78°

102°

Partly cloudy. Highs 100 to 104F and lows in the low 80s.

109°

Feels Like

SSE 17 mph

Wind

53%

Humidity

11

UV Index

7:06 AM

Sunrise

8:05 PM

Sunset

Thu 8/20

Thu

7%

80°

103°

Plenty of sun. Highs 101 to 105F and lows in the low 80s.

110°

Feels Like

SSE 18 mph

Wind

51%

Humidity

11

UV Index

7:07 AM

Sunrise

8:04 PM

Sunset

Fri 8/21

Fri

7%

80°

104°

Mix of sun and clouds. Highs 102 to 106F and lows in the upper 70s.

108°

Feels Like

SSE 16 mph

Wind

50%

Humidity

11

UV Index

7:07 AM

Sunrise

8:03 PM

Sunset

Sat 8/22

Sat

7%

78°

104°

Plenty of sun. Highs 102 to 106F and lows in the upper 70s.

107°

Feels Like

SSE 16 mph

Wind

49%

Humidity

11

UV Index

7:08 AM

Sunrise

8:02 PM

Sunset

Sun 8/23

Sun

7%

78°

103°

Mostly sunny. Highs 101 to 105F and lows in the upper 70s.

108°

Feels Like

SSE 15 mph

Wind

51%

Humidity

11

UV Index

7:08 AM

Sunrise

8:01 PM

Sunset

Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.

Download the App

Looking for homes in this area?

• 2701 Melanie Dr, Pharr, TX 78577
• 2112 S Lake Texoma St, San Juan, TX 78589
• 206 W Hazel St, San Juan, TX 78589

Sponsored by Redfin. Housing data supplied by Redfin independent of FOX Weather.

Latest Stories from Texas

Over 150 invasive lionfish speared from Gulf coral reef during diving research expedition

A diving research expedition, called the Lionfish Invitational, caught more than 150 invasive lionfish on a multi-day excursion 120 miles into the Gulf to spear hunt and study lionfish.

Potentially life-threatening fungus rapidly spreading across the US with limited treatment options

A deadly fungus is spreading rapidly across the globe, raising alarm among health experts as treatment options remain limited.

Hidden hazard: How to stay safe from harmful algal blooms this summer

As millions of Americans head to beaches, lakes and other bodies of water this summer, health officials are warning about harmful algal blooms that can pose serious health risks to people and pets.

The top 10 worst states for battling mosquitos thanks to heat and humidity

Outside ranked the 10 worst states for mosquitoes in 2026. Here's where the biting pests thrive most, and the climate and landscapes that help fuel their populations.

Load More Stories