Weather in San Luis, PR
San Luis, Saturday, 17 October, 05:39
Mostly clear. Feels like 86°. High 88°, low 78°.
Monthly outlook for San Luis, PR: average high 84.1°, average low 75.9°. That is 0.2° above the climate normal for October. Precipitation is expected on 16 days (about 3.3 inches), against a normal of 14 days and 3.6 inches. The warmest day looks like 18 October (87.7°), the coolest 21 October (70.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 84.5° | 83.9° | +0.3° |
| 27 October – 5 November | 83.6° | 83.3° | +0.2° |
| 6 November – 15 November | at normal | 82.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Naguabo (2 mi).
0.1
San Luis, Sunday, 18 October
Light rain. High 88°, low 75°.
0.07San Luis, Monday, 19 October
Light rain. High 84°, low 72°.
0.09San Luis, Tuesday, 20 October
Light rain. High 83°, low 73°.
0.08San Luis, Wednesday, 21 October
Light rain. High 84°, low 71°.
0.25San Luis, Thursday, 22 October
Light rain. High 84°, low 73°.
0.56San Luis, Friday, 23 October
Rain. High 83°, low 78°.
0.92San Luis, Saturday, 24 October
Rain. High 82°, low 79°.
0.22San Luis, Sunday, 25 October
Light rain. High 84°, low 78°.
0.04San Luis, Monday, 26 October
Light rain. High 85°, low 79°.
0.15San Luis, Tuesday, 27 October
Light rain. High 85°, low 78°.
0.06San Luis, Wednesday, 28 October
Light rain. High 85°, low 77°.
0.15San Luis, Thursday, 29 October
Light rain. High 84°, low 76°.
0.11San Luis, Friday, 30 October
Light rain. High 84°, low 75°.
0.07San Luis, Saturday, 31 October
Light rain. High 84°, low 76°.
0.36San Luis, Sunday, 1 November
Light rain. High 81°, low 76°.
0.21San Luis, Monday, 2 November
Climate normal for this date — 60-year average.
0.2San Luis, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.23San Luis, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.26San Luis, Thursday, 5 November
Climate normal for this date — 60-year average.
0.24San Luis, Friday, 6 November
Climate normal for this date — 60-year average.
0.3San Luis, Saturday, 7 November
Climate normal for this date — 60-year average.
0.28San Luis, Sunday, 8 November
Climate normal for this date — 60-year average.
0.3San Luis, Monday, 9 November
Climate normal for this date — 60-year average.
0.25San Luis, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.27San Luis, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.28San Luis, Thursday, 12 November
Climate normal for this date — 60-year average.
0.19San Luis, Friday, 13 November
Climate normal for this date — 60-year average.
0.17San Luis, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15San Luis, Sunday, 15 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 San Luis, PR 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 San Luis, PR 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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