Current Weather Forecast for San Isidro

TX 78588  |   8:22am

Weather Conditions

72°

Feels Like 72°

Sunny

67° 100°

1

UV Index

Good

Air Quality

SE 1 mph

Wind

0 in

rain

Today

Wed 7/30

100°

Highest Temperature

2%

Sunny to partly cloudy. High around 100F. Winds SSE at 10 to 15 mph.

Tonight

Wed 7/30

75°

Lowest Temperature

8%

Some clouds. Low near 75F. Winds SSE at 10 to 15 mph.

Tomorrow

Thu 7/31

100°

Highest Temperature

9%

A few passing clouds, otherwise generally sunny. High near 100F. Winds SSE at 10 to 15 mph.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in San Isidro

Hourly Weather Forecast & Temperature

9AM

2%

75°

Feels Like 75°

Sunny

SSE 3 mph

Wind

1018 mb

Pressure

90%

Humidity

2

UV Index

10mi

Visibility

19%

Cloud Cover

10AM

1%

81°

Feels Like 86°

Sunny

S 4 mph

Wind

1018 mb

Pressure

73%

Humidity

4

UV Index

10mi

Visibility

0%

Cloud Cover

11AM

86°

Feels Like 91°

Sunny

S 5 mph

Wind

1017 mb

Pressure

58%

Humidity

7

UV Index

10mi

Visibility

0%

Cloud Cover

12PM

91°

Feels Like 95°

Mostly Sunny

SSE 6 mph

Wind

1017 mb

Pressure

45%

Humidity

10

UV Index

10mi

Visibility

26%

Cloud Cover

1PM

93°

Feels Like 97°

Mostly Sunny

SSE 7 mph

Wind

1016 mb

Pressure

39%

Humidity

11

UV Index

10mi

Visibility

24%

Cloud Cover

2PM

96°

Feels Like 100°

Mostly Sunny

SE 7 mph

Wind

1015 mb

Pressure

35%

Humidity

11

UV Index

10mi

Visibility

24%

Cloud Cover

3PM

97°

Feels Like 102°

Partly Cloudy

SE 8 mph

Wind

1015 mb

Pressure

34%

Humidity

10

UV Index

10mi

Visibility

30%

Cloud Cover

4PM

98°

Feels Like 103°

Partly Cloudy

SE 9 mph

Wind

1014 mb

Pressure

33%

Humidity

8

UV Index

10mi

Visibility

43%

Cloud Cover

5PM

98°

Feels Like 103°

Mostly Cloudy

SE 9 mph

Wind

1013 mb

Pressure

34%

Humidity

4

UV Index

10mi

Visibility

65%

Cloud Cover

6PM

98°

Feels Like 103°

Mostly Cloudy

ESE 11 mph

Wind

1013 mb

Pressure

36%

Humidity

2

UV Index

10mi

Visibility

60%

Cloud Cover

7PM

95°

Feels Like 102°

Partly Cloudy

ESE 13 mph

Wind

1013 mb

Pressure

41%

Humidity

1

UV Index

10mi

Visibility

46%

Cloud Cover

8PM

92°

Feels Like 99°

Partly Cloudy

ESE 12 mph

Wind

1013 mb

Pressure

48%

Humidity

0

UV Index

10mi

Visibility

53%

Cloud Cover

Wed 7/30

Wed

2%

67°

100°

Plenty of sun. Highs 98 to 102F and lows in the mid 70s.

103°

Feels Like

SSE 11 mph

Wind

52%

Humidity

11

UV Index

6:57 AM

Sunrise

8:22 PM

Sunset

Thu 7/31

Thu

9%

75°

100°

Mostly sunny. Highs 98 to 102F and lows in the mid 70s.

105°

Feels Like

SSE 12 mph

Wind

56%

Humidity

11

UV Index

6:58 AM

Sunrise

8:22 PM

Sunset

Fri 8/1

Fri

9%

74°

102°

More sun than clouds. Highs 100 to 104F and lows in the mid 70s.

106°

Feels Like

SSE 12 mph

Wind

55%

Humidity

11

UV Index

6:58 AM

Sunrise

8:21 PM

Sunset

Sat 8/2

Sat

7%

76°

103°

A few clouds. Highs 101 to 105F and lows in the mid 70s.

107°

Feels Like

SSE 11 mph

Wind

52%

Humidity

11

UV Index

6:59 AM

Sunrise

8:20 PM

Sunset

Sun 8/3

Sun

7%

76°

104°

Abundant sunshine. Highs 102 to 106F and lows in the mid 70s.

108°

Feels Like

SSE 11 mph

Wind

51%

Humidity

11

UV Index

6:59 AM

Sunrise

8:20 PM

Sunset

Mon 8/4

Mon

7%

76°

103°

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

108°

Feels Like

SE 14 mph

Wind

53%

Humidity

11

UV Index

7:00 AM

Sunrise

8:19 PM

Sunset

Tue 8/5

Tue

7%

76°

101°

Mostly sunny. Highs 99 to 103F and lows in the mid 70s.

106°

Feels Like

SE 14 mph

Wind

56%

Humidity

11

UV Index

7:00 AM

Sunrise

8:18 PM

Sunset

Wed 8/6

Wed

8%

76°

102°

More sun than clouds. Highs 100 to 104F and lows in the mid 70s.

107°

Feels Like

SE 14 mph

Wind

55%

Humidity

11

UV Index

7:01 AM

Sunrise

8:17 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

Life-threatening heat dome broils millions across eastern US as records tumble

Nearly 160 million people across more than 25 states are under either an Extreme Heat Warning or Heat Advisory, from Florida to New England, and west through the Midwest and Mississippi Valley.

Daily Weather Update from FOX Weather: Derecho blasts Plains with destructive winds as massive heat dome peaks

Top weather news for Tuesday, July 29, 2025: A destructive derecho snapped trees and knocked out power to tens of thousands of people as it tore across portions of the northern Plains and Upper Midwest with hurricane-force wind gusts late Monday night and into early Tuesday morning.

Watch: Lightning strikes hood of truck during Texas storm

A truck was struck by lightning during an intense thunderstorm in Texas last week, and the entire thing was caught on video.

Bryan Norcross: Watching the Gulf while Atlantic struggles to wake up

The weak disturbance moving across the northern Gulf is being stretched by hostile upper-level winds. The National Hurricane Center is giving it a slight chance of developing a circulation and becoming a tropical depression.

Load More Stories