National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Angleton / Lake Jackson, Brazoria County Airport (KLBX)

Lat: 29.12°NLon: 95.46°WElev: 20ft.

Fair

77°F

25°C

Humidity 94%
Wind Speed S 3 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Aug 11:53 pm CDT
Extended Forecast for

3 Miles E Sweeny TX

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 76. South wind around 5 mph becoming calm.

    Low: 76 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 94. Heat index values as high as 105. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 94 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light in the evening.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Heat index values as high as 104. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light in the evening.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 76. South wind around 5 mph becoming calm.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 94. Heat index values as high as 105. Light south wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light in the evening.
Wednesday
Sunny, with a high near 93. Heat index values as high as 104. Light southeast wind becoming south 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph becoming light in the evening.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 75.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 76.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Sweeny TX
 29.04°N 95.65°W (Elev. 20 ft)
Last Update:
11:06 pm CDT Aug 3, 2026
Forecast Valid:
12am CDT Aug 4, 2026-6pm CDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation