Weather in Port Isabel, TX
Port Isabel, Saturday, 14 November, 12:43
Mostly clear. Feels like 84°. High 82°, low 65°.
Monthly outlook for Port Isabel, TX: average high 76.4°, average low 69.3°. That is 1.1° above the climate normal for November. Precipitation is expected on 11 days (about 1.0 inches), against a normal of 5 days and 1.3 inches. The warmest day looks like 14 November (82.4°), the coolest 17 November (61.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 76.5° | 75.1° | +0.8° |
| 24 November – 3 December | 76.3° | 73° | +1.8° |
| 4 December – 13 December | at normal | 71.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Laguna Heights (2 mi).
0.05
Port Isabel, Sunday, 15 November
Light rain. High 81°, low 72°.
0.08Port Isabel, Monday, 16 November
Light rain. High 71°, low 62°.
0.13Port Isabel, Tuesday, 17 November
Light rain. High 68°, low 61°.
0.03Port Isabel, Wednesday, 18 November
Light rain. High 77°, low 66°.
0.07Port Isabel, Thursday, 19 November
Light rain. High 77°, low 74°.
0.07Port Isabel, Friday, 20 November
Light rain. High 78°, low 73°.
0.04Port Isabel, Saturday, 21 November
Light rain. High 78°, low 73°.
0.01Port Isabel, Sunday, 22 November
Light rain. High 77°, low 73°.
0.11Port Isabel, Monday, 23 November
Light rain. High 76°, low 71°.
0.11Port Isabel, Tuesday, 24 November
Light rain. High 77°, low 71°.
0.12Port Isabel, Wednesday, 25 November
Light rain. High 78°, low 73°.
0.05Port Isabel, Thursday, 26 November
Light rain. High 78°, low 72°.
0
Port Isabel, Friday, 27 November
Overcast. High 80°, low 75°.
0.11Port Isabel, Saturday, 28 November
Light rain. High 76°, low 65°.
0Port Isabel, Sunday, 29 November
Overcast. High 69°, low 62°.
0.07
Port Isabel, Monday, 30 November
Climate normal for this date — 60-year average.
0.07Port Isabel, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09
Port Isabel, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Port Isabel, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Port Isabel, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Port Isabel, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Port Isabel, Sunday, 6 December
Climate normal for this date — 60-year average.
0.06Port Isabel, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Port Isabel, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.08Port Isabel, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.08Port Isabel, Thursday, 10 December
Climate normal for this date — 60-year average.
0.06Port Isabel, Friday, 11 December
Climate normal for this date — 60-year average.
0.04Port Isabel, Saturday, 12 December
Climate normal for this date — 60-year average.
0.06Port Isabel, Sunday, 13 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 Isabel, 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 Isabel, 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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