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 Port Arthur Weather Forecast Summary |
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Today
Oct 13th
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Wednesday
Oct 14th
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Thursday
Oct 15th
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Friday
Oct 16th
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Saturday
Oct 17th
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Mostly Sunny |
Sunny |
Sunny |
Sunny |
Mostly Sunny |
87°F
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90°F
72°F |
89°F
70°F |
89°F
69°F |
78°F
60°F |
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| Port Arthur Detailed Weather Forecast |
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| Tuesday, October 13th, 2026 |
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Evening |
Temperature: 77°F |
| Clear with a slight chance of showers. |
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| Wednesday, October 14th, 2026 |
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Overnight |
Temperature: 75°F |
| Clear. |
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Morning |
Temperature: 78°F |
| Sunny. |
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Afternoon |
Temperature: 88°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 73°F |
| Clear. |
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| Thursday, October 15th, 2026 |
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Overnight |
Temperature: 71°F |
| Clear. |
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Morning |
Temperature: 76°F |
| Sunny. |
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Afternoon |
Temperature: 88°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 75°F |
| Clear. Slight chance of a thunderstorm. |
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| Friday, October 16th, 2026 |
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Overnight |
Temperature: 70°F |
| Clear. Slight chance of a thunderstorm. |
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Morning |
Temperature: 74°F |
| Sunny. |
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Afternoon |
Temperature: 88°F |
| Sunny. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 79°F |
| Clear with cloudy periods. Windy at times. |
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| Saturday, October 17th, 2026 |
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Overnight |
Temperature: 67°F |
| Clear. Windy at times. |
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Morning |
Temperature: 63°F |
| Mostly sunny. Windy at times. |
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Afternoon |
Temperature: 77°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 66°F |
| Mostly clear. |
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| Sunday, October 18th, 2026 |
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Overnight |
Temperature: 59°F |
| Clear. |
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Morning |
Temperature: 63°F |
| Mostly sunny. |
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Afternoon |
Temperature: 81°F |
| Mostly sunny. |
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Evening |
Temperature: 70°F |
| Clear. |
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| Monday, October 19th, 2026 |
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Overnight |
Temperature: 68°F |
| Mostly cloudy. |
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Morning |
Temperature: 71°F |
| A mix of cloud and sun. Windy at times. |
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Afternoon |
Temperature: 79°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 75°F |
| Mostly cloudy. Windy at times. |
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| Tuesday, October 20th, 2026 |
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Overnight |
Temperature: 71°F |
| A mix of cloudy and clear skies. Windy at times. |
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Morning |
Temperature: 73°F |
| Mostly cloudy with showers likely. Windy at times. |
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Afternoon |
Temperature: 76°F |
| Mostly cloudy with showers likely. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 73°F |
| A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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| Wednesday, October 21st, 2026 |
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Overnight |
Temperature: 73°F |
| A mix of cloudy and clear skies. |
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Morning |
Temperature: 75°F |
| Cloudy with sunny periods. Windy at times. |
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Afternoon |
Temperature: 83°F |
| A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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Evening |
Temperature: 75°F |
| A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
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