Port Lavaca, TX Weather Forecast and Current Conditions (77979)
Feels Like 97°F
Current Weather
Feels Like 97°F
Forecast at a Glance
This Date in Weather History
1987 - Thunderstorms developing along a stationary front produced heavy rain across the Southern Atlantic Coast States. Up to eight inches was reported north of Charleston SC. Serious flooding was reported in Monks Corner SC. Seven cities in the northeastern U.S. reported record low temperatures for the date. Houlton ME dipped to 32 degrees.
More on this and other weather history
Port Lavaca 7 Day Weather Forecast Details
Thursday Sep 4
Day: Sunny. High near 98, with temperatures falling to around 94 in the afternoon. Heat index values as high as 107. South wind 7 to 12 mph.
Night: Mostly clear, with a low around 78. Heat index values as high as 105. South southeast wind 8 to 13 mph.
Friday Sep 5
Day: Sunny, with a high near 94. Heat index values as high as 107. South southeast wind 8 to 14 mph.
Night: Partly cloudy, with a low around 78. Heat index values as high as 102. Southeast wind 6 to 14 mph.
Saturday Sep 6
Day: A chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southeast wind 3 to 10 mph. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind 3 to 10 mph. Chance of precipitation is 50%.
Sunday Sep 7
Day: Showers and thunderstorms likely. Mostly sunny, with a high near 92. East northeast wind 5 to 12 mph. Chance of precipitation is 70%.
Night: Showers and thunderstorms likely. Partly cloudy, with a low around 75. East wind 6 to 10 mph. Chance of precipitation is 70%.
Monday Sep 8
Day: Showers and thunderstorms likely. Mostly sunny, with a high near 90. East northeast wind 8 to 13 mph. Chance of precipitation is 60%.
Night: Showers and thunderstorms likely. Mostly clear, with a low around 74. Chance of precipitation is 60%.
Tuesday Sep 9
Day: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 91. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Chance of precipitation is 30%.
Wednesday Sep 10
Day: A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 93. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73.
Sun & Moon Monthly
Sunrise 7:07 AM
Sunset 7:46 PM
Last Light 8:10 PM
Moonset 3:43 AM
Close Tide Stations
Port Lavaca
(2 miles away)
Contiguous United States Extremes
Thu's High Temperature
112 at Death Valley, CA and 16 Miles Southwest If Tecopa, CA
Thu's Low Temperature
28 at Peter Sinks, UT
Weather Folklore
If salt is sticky and gains in weight, it will rain before too late.
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About Port Lavaca, Texas
Port Lavaca ( lə-VAH-kə) is a city in Calhoun County, located in the U.S. state of Texas. The population was 12,248 at the 2010 census and 11,557 at the 2020 census. It is the county seat of Calhoun County and part of the Port Lavaca, Texas micropolitan statistical area. Port Lavaca is 130 miles (210 km) southwest of Houston.
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