10-day forecast for Port Lavaca, TX: 76° to 95°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
95°
Best day: Sunday, August 16
93° · 0.04 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1089° / 76°0.01
Morning81°feels 86°
Afternoon83°feels 84°
Evening85°feels 94°
Overnight80°feels 80°
89 °
Port Lavaca, Monday, 10 August
Light rain. High 89°, low 76°.
Pressure30.03 inHg
Wind11.6 mph SE
Humidity53%
Visibility6.2 mi
Dew point72°
Tue, 1193° / 80°0
Morning83°feels 90°
Afternoon93°feels 102°
Evening84°feels 93°
Overnight82°feels 89°
93 °
Port Lavaca, Tuesday, 11 August
Clear. High 93°, low 80°.
Pressure30.06 inHg
Wind14.5 mph SE
Humidity54%
Visibility6.2 mi
Dew point73°
Wed, 1293° / 81°0
Morning84°feels 91°
Afternoon93°feels 102°
Evening84°feels 91°
Overnight83°feels 90°
93 °
Port Lavaca, Wednesday, 12 August
Clear. High 93°, low 81°.
Pressure29.97 inHg
Wind16.6 mph S
Humidity53%
Visibility6.2 mi
Dew point73°
Thu, 1392° / 82°0.01
Morning83°feels 90°
Afternoon91°feels 101°
Evening86°feels 95°
Overnight82°feels 88°
92 °
Port Lavaca, Thursday, 13 August
Light rain. High 92°, low 82°.
Pressure29.94 inHg
Wind17.5 mph S
Humidity57%
Visibility—
Dew point73°
Fri, 1493° / 81°0
Morning84°feels 91°
Afternoon92°feels 101°
Evening87°feels 96°
Overnight83°feels 91°
93 °
Port Lavaca, Friday, 14 August
Overcast. High 93°, low 81°.
Pressure30.03 inHg
Wind15 mph SE
Humidity52%
Visibility—
Dew point71°
Sat, 1593° / 81°0.04
Morning84°feels 91°
Afternoon91°feels 99°
Evening86°feels 95°
Overnight82°feels 89°
93 °
Port Lavaca, Saturday, 15 August
Light rain. High 93°, low 81°.
Pressure30.12 inHg
Wind15.3 mph SE
Humidity51%
Visibility—
Dew point70°
Sun, 1695° / 79°0
Morning83°feels 85°
Afternoon94°feels 97°
Evening86°feels 90°
Overnight81°feels 84°
95 °
Port Lavaca, Sunday, 16 August
Clear. High 95°, low 79°.
Pressure30.12 inHg
Wind14.4 mph SE
Humidity38%
Visibility—
Dew point64°
Mon, 1795° / 79°0
Morning85°feels 90°
Afternoon93°feels 99°
Evening86°feels 93°
Overnight82°feels 87°
95 °
Port Lavaca, Monday, 17 August
Overcast. High 95°, low 79°.
Pressure30.06 inHg
Wind14.2 mph SE
Humidity43%
Visibility—
Dew point67°
Tue, 1895° / 79°0
Morning83°feels 84°
Afternoon93°feels 97°
Evening85°feels 89°
Overnight81°feels 84°
95 °
Port Lavaca, Tuesday, 18 August
Overcast. High 95°, low 79°.
Pressure30.00 inHg
Wind15.1 mph SE
Humidity41%
Visibility—
Dew point65°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Port Lavaca, TX around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.