Weather in Harlingen, TX
Harlingen, Sunday, 18 October, 04:28
Partly cloudy. Feels like 55°. High 78°, low 57°.
Monthly outlook for Harlingen, TX: average high 85.4°, average low 72°. That is 1.6° above the climate normal for October. Precipitation is expected on 7 days (about 0.8 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 31 October (90.7°), the coolest 18 October (57.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 83.4° | 83.2° | +0.1° |
| 28 October – 6 November | 88.5° | 80.8° | +4.3° |
| 7 November – 16 November | at normal | 78.5° | — |
October records over 66 years
0
Harlingen, Monday, 19 October
Overcast. High 83°, low 65°.
0
Harlingen, Tuesday, 20 October
Mostly clear. High 87°, low 70°.
0.11
Harlingen, Wednesday, 21 October
Light rain. High 84°, low 72°.
0.06Harlingen, Thursday, 22 October
Light rain. High 83°, low 72°.
0Harlingen, Friday, 23 October
Overcast. High 85°, low 67°.
0
Harlingen, Saturday, 24 October
Partly cloudy. High 85°, low 73°.
0.14Harlingen, Sunday, 25 October
Light rain. High 83°, low 76°.
0.19Harlingen, Monday, 26 October
Light rain. High 82°, low 74°.
0.14Harlingen, Tuesday, 27 October
Light rain. High 86°, low 73°.
0
Harlingen, Wednesday, 28 October
Clear. High 85°, low 69°.
0.01Harlingen, Thursday, 29 October
Light rain. High 88°, low 72°.
0.06Harlingen, Friday, 30 October
Light rain. High 88°, low 78°.
0.02Harlingen, Saturday, 31 October
Light rain. High 91°, low 78°.
0Harlingen, Sunday, 1 November
Light rain. High 90°, low 77°.
0.1Harlingen, Monday, 2 November
Light rain. High 90°, low 78°.
0.06Harlingen, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06Harlingen, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Harlingen, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Harlingen, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Harlingen, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Harlingen, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Harlingen, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Harlingen, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Harlingen, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Harlingen, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Harlingen, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Harlingen, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03Harlingen, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Harlingen, Monday, 16 November
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 Harlingen, 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 Harlingen, 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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