Current Weather Forecast for Sullivan City

TX 78595  |   3:00pm

Weather Conditions

101°

Feels Like 108°

Partly Cloudy

78° 101°

11

UV Index

Moderate

Air Quality

SE 18 mph

Wind

0 in

rain

Today

Mon 8/10

101°

Highest Temperature

15%

Sunshine and clouds mixed. A stray shower or thunderstorm is possible. High 101F. Winds SE at 15 to 25 mph.

Tonight

Mon 8/10

79°

Lowest Temperature

15%

Partly cloudy skies. A stray shower or thunderstorm is possible. Low 79F. Winds SE at 15 to 25 mph.

Tomorrow

Tue 8/11

104°

Highest Temperature

15%

Sun and a few passing clouds. A stray shower or thunderstorm is possible. High 104F. Winds SE at 15 to 25 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Sullivan City

Hourly Weather Forecast & Temperature

4PM

15%

101°

Feels Like 109°

Partly Cloudy

SE 18 mph

Wind

1013 mb

Pressure

33%

Humidity

7

UV Index

10mi

Visibility

54%

Cloud Cover

5PM

15%

100°

Feels Like 108°

Partly Cloudy

SE 19 mph

Wind

1013 mb

Pressure

35%

Humidity

5

UV Index

10mi

Visibility

49%

Cloud Cover

6PM

15%

98°

Feels Like 105°

Partly Cloudy

SE 18 mph

Wind

1013 mb

Pressure

36%

Humidity

2

UV Index

10mi

Visibility

47%

Cloud Cover

7PM

15%

96°

Feels Like 103°

Partly Cloudy/Wind

SE 20 mph

Wind

1013 mb

Pressure

40%

Humidity

1

UV Index

10mi

Visibility

35%

Cloud Cover

8PM

15%

93°

Feels Like 100°

Partly Cloudy

SE 19 mph

Wind

1014 mb

Pressure

47%

Humidity

0

UV Index

10mi

Visibility

40%

Cloud Cover

9PM

15%

90°

Feels Like 97°

Partly Cloudy

SE 17 mph

Wind

1014 mb

Pressure

54%

Humidity

0

UV Index

10mi

Visibility

40%

Cloud Cover

10PM

1%

87°

Feels Like 94°

Partly Cloudy

SE 16 mph

Wind

1015 mb

Pressure

61%

Humidity

0

UV Index

10mi

Visibility

30%

Cloud Cover

11PM

2%

85°

Feels Like 93°

Mostly Clear

SE 15 mph

Wind

1016 mb

Pressure

67%

Humidity

0

UV Index

10mi

Visibility

25%

Cloud Cover

12AM

4%

84°

Feels Like 92°

Partly Cloudy

SE 14 mph

Wind

1016 mb

Pressure

72%

Humidity

0

UV Index

10mi

Visibility

30%

Cloud Cover

1AM

4%

83°

Feels Like 91°

Partly Cloudy

SE 13 mph

Wind

1016 mb

Pressure

75%

Humidity

0

UV Index

10mi

Visibility

38%

Cloud Cover

2AM

5%

82°

Feels Like 90°

Partly Cloudy

SE 11 mph

Wind

1016 mb

Pressure

79%

Humidity

0

UV Index

10mi

Visibility

43%

Cloud Cover

3AM

5%

82°

Feels Like 89°

Partly Cloudy

SE 11 mph

Wind

1015 mb

Pressure

81%

Humidity

0

UV Index

10mi

Visibility

51%

Cloud Cover

Mon 8/10

Mon

15%

78°

101°

Mix of sun and clouds. Highs 99 to 103F and lows in the upper 70s.

108°

Feels Like

SE 18 mph

Wind

35%

Humidity

11

UV Index

7:04 AM

Sunrise

8:14 PM

Sunset

Tue 8/11

Tue

15%

79°

104°

Mostly sunny. Highs 102 to 106F and lows in the upper 70s.

111°

Feels Like

SE 19 mph

Wind

52%

Humidity

11

UV Index

7:04 AM

Sunrise

8:13 PM

Sunset

Wed 8/12

Wed

6%

79°

105°

Sunny and windy. Highs 103 to 107F and lows in the upper 70s.

109°

Feels Like

SSE 20 mph

Wind

48%

Humidity

11

UV Index

7:05 AM

Sunrise

8:12 PM

Sunset

Thu 8/13

Thu

6%

79°

103°

Mostly sunny and windy. Highs 101 to 105F and lows in the low 80s.

111°

Feels Like

SE 21 mph

Wind

51%

Humidity

11

UV Index

7:05 AM

Sunrise

8:12 PM

Sunset

Fri 8/14

Fri

13%

80°

101°

Times of sun and clouds. Highs 99 to 103F and lows in the low 80s.

109°

Feels Like

SE 20 mph

Wind

52%

Humidity

11

UV Index

7:06 AM

Sunrise

8:11 PM

Sunset

Sat 8/15

Sat

6%

80°

103°

Times of sun and clouds. Highs 101 to 105F and lows in the upper 70s.

107°

Feels Like

SE 18 mph

Wind

50%

Humidity

11

UV Index

7:06 AM

Sunrise

8:10 PM

Sunset

Sun 8/16

Sun

19%

79°

103°

More sun than clouds. Highs 101 to 105F and lows in the upper 70s.

110°

Feels Like

SE 15 mph

Wind

55%

Humidity

11

UV Index

7:06 AM

Sunrise

8:09 PM

Sunset

Mon 8/17

Mon

9%

79°

103°

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

108°

Feels Like

SE 16 mph

Wind

52%

Humidity

11

UV Index

7:07 AM

Sunrise

8:08 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?

• 667 West Expressway 83, Sullivan City, TX 78595
• 640 E 4th ST, Harlingen, TX 78552
• 805 Amarillo Dr, Sullivan City, TX 78595

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

Latest Stories from Texas

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.

Bryan Norcross: The Atlantic goes quiet after Bertha fades away

The remnants of former Tropical Storm Bertha have moved into northern Mexico. It's now a weak disturbance over the mountains.

Load More Stories