Weather in Port Arthur, TX
Port Arthur, Friday, 13 November, 03:01
Clear. Feels like 49°. High 75°, low 50°.
Monthly outlook for Port Arthur, TX: average high 65.6°, average low 52.1°. That is 0.5° below the climate normal for November. Precipitation is expected on 4 days (about 3.5 inches), against a normal of 5 days and 2.6 inches. The warmest day looks like 13 November (75.2°), the coolest 25 November (32.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 69.9° | 67.2° | +1.5° |
| 23 November – 2 December | 58.4° | 64.7° | -3.5° |
| 3 December – 12 December | at normal | 62.6° | — |
November records over 66 years
0
Port Arthur, Saturday, 14 November
Clear. High 65°, low 53°.
1.57
Port Arthur, Sunday, 15 November
Heavy rain. High 63°, low 58°.
0.06Port Arthur, Monday, 16 November
Light rain. High 64°, low 55°.
0
Port Arthur, Tuesday, 17 November
Overcast. High 67°, low 57°.
0
Port Arthur, Wednesday, 18 November
Partly cloudy. High 72°, low 63°.
0Port Arthur, Thursday, 19 November
Overcast. High 71°, low 59°.
0Port Arthur, Friday, 20 November
Light rain. High 75°, low 58°.
0Port Arthur, Saturday, 21 November
Overcast. High 73°, low 64°.
0.08Port Arthur, Sunday, 22 November
Light rain. High 74°, low 68°.
1.76Port Arthur, Monday, 23 November
Heavy rain. High 74°, low 66°.
0Port Arthur, Tuesday, 24 November
Overcast. High 64°, low 42°.
0Port Arthur, Wednesday, 25 November
Clear. High 49°, low 33°.
0Port Arthur, Thursday, 26 November
Overcast. High 50°, low 35°.
0Port Arthur, Friday, 27 November
Clear. High 55°, low 34°.
0Port Arthur, Saturday, 28 November
Clear. High 59°, low 40°.
0.1Port Arthur, Sunday, 29 November
Climate normal for this date — 60-year average.
0.13
Port 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.
0.13Port Arthur, Thursday, 10 December
Climate normal for this date — 60-year average.
0.17Port Arthur, Friday, 11 December
Climate normal for this date — 60-year average.
0.14Port Arthur, Saturday, 12 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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