Port Lavaca, TX Weather Forecast and Current Conditions (77979)
Feels Like 100°F
Current Weather
Feels Like 100°F
Forecast at a Glance
This Date in Weather History
1961 - Hurricane Esther was seeded by Navy planes in the inaugural experiment of what was to formally become Project STORMFURY next year. Esther was the first hurricane to be initially detected by satellite. On Sept. 10th, TIROS III imaged an area of disturbed weather a hundred miles southwest of the Cabo Verde Islands.
More on this and other weather history
Port Lavaca 7 Day Weather Forecast Details
Tuesday Sep 16
Day: A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 91. Heat index values as high as 96. East southeast wind 12 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Night: Mostly clear, with a low around 74. Heat index values as high as 92. East wind 5 to 15 mph, with gusts as high as 18 mph.
Wednesday Sep 17
Day: Sunny, with a high near 91. Heat index values as high as 98. East northeast wind 5 to 13 mph.
Night: Partly cloudy, with a low around 75. Heat index values as high as 97. Southeast wind 5 to 12 mph.
Thursday Sep 18
Day: Sunny, with a high near 91. East southeast wind 5 to 14 mph, with gusts as high as 20 mph.
Night: Mostly clear, with a low around 74. East southeast wind 5 to 14 mph, with gusts as high as 20 mph.
Friday Sep 19
Day: A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 91. East wind 5 to 12 mph. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. East southeast wind 3 to 12 mph. Chance of precipitation is 20%.
Saturday Sep 20
Day: A slight chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 90. East wind 3 to 10 mph. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms. Mostly clear, with a low around 75. Chance of precipitation is 30%.
Sunday Sep 21
Day: A chance of showers and thunderstorms. Sunny, with a high near 90. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Chance of precipitation is 30%.
Monday Sep 22
Day: A chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Sunny, with a high near 91. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sun & Moon Monthly
Sunrise 7:13 AM
Sunset 7:31 PM
Last Light 7:55 PM
Moonset 4:36 PM
Close Tide Stations
Port Lavaca
(2 miles away)
Contiguous United States Extremes
Mon's High Temperature
110 at Death Valley, CA
Tue's Low Temperature
21 at 14 Miles West-southwest Of Mackay, ID
Weather Folklore
When smoke rises but not too high, clouds won't grow and you'll keep dry.
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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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