Weather in Port Arthur, TX
Port Arthur, Tuesday, 10 November, 05:18
Overcast. Feels like 61°. High 75°, low 59°.
Monthly outlook for Port Arthur, TX: average high 68.4°, average low 55.4°. That is 0.6° above the climate normal for November. Precipitation is expected on 2 days (about 4.7 inches), against a normal of 4 days and 2.2 inches. The warmest day looks like 16 November (78.8°), the coolest 24 November (39.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 72.2° | 68° | +2.4° |
| 20 November – 29 November | 62.1° | 65.7° | -2° |
| 30 November – 9 December | at normal | 63.1° | — |
November records over 66 years
0.26
Port Arthur, Wednesday, 11 November
Rain. High 75°, low 60°.
0
Port Arthur, Thursday, 12 November
Clear. High 73°, low 61°.
0Port Arthur, Friday, 13 November
Clear. High 70°, low 57°.
0Port Arthur, Saturday, 14 November
Clear. High 66°, low 58°.
0.03Port Arthur, Sunday, 15 November
Light rain. High 66°, low 58°.
0Port Arthur, Monday, 16 November
Overcast. High 79°, low 63°.
0Port Arthur, Tuesday, 17 November
Clear. High 73°, low 56°.
0Port Arthur, Wednesday, 18 November
Clear. High 72°, low 56°.
0Port Arthur, Thursday, 19 November
Overcast. High 73°, low 63°.
4.4Port Arthur, Friday, 20 November
Heavy rain. High 71°, low 67°.
0Port Arthur, Saturday, 21 November
Overcast. High 65°, low 53°.
0.01Port Arthur, Sunday, 22 November
Light rain. High 55°, low 48°.
0Port Arthur, Monday, 23 November
Clear. High 58°, low 42°.
0Port Arthur, Tuesday, 24 November
Clear. High 61°, low 39°.
0Port Arthur, Wednesday, 25 November
Clear. High 62°, low 46°.
0.21
Port Arthur, Thursday, 26 November
Climate normal for this date — 60-year average.
0.29Port Arthur, Friday, 27 November
Climate normal for this date — 60-year average.
0.2
Port Arthur, Saturday, 28 November
Climate normal for this date — 60-year average.
0.1Port Arthur, Sunday, 29 November
Climate normal for this date — 60-year average.
0.13Port Arthur, Monday, 30 November
Climate normal for this date — 60-year average.
0.11Port Arthur, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.13Port Arthur, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.21Port Arthur, Thursday, 3 December
Climate normal for this date — 60-year average.
0.2Port Arthur, Friday, 4 December
Climate normal for this date — 60-year average.
0.15Port Arthur, Saturday, 5 December
Climate normal for this date — 60-year average.
0.18Port Arthur, Sunday, 6 December
Climate normal for this date — 60-year average.
0.08Port Arthur, Monday, 7 December
Climate normal for this date — 60-year average.
0.15Port Arthur, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.17Port Arthur, Wednesday, 9 December
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Port Arthur, TX are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Port Arthur, TX since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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