Weather in Sierra Brava, PR
Sierra Brava, Saturday, 31 October, 10:13
Partly cloudy. Feels like 97°. High 88°, low 75°.
Monthly outlook for Sierra Brava, PR: average high 88.8°, average low 74.3°. That is 2.5° above the climate normal for October. Precipitation is expected on 8 days (about 1.8 inches), against a normal of 10 days and 2.4 inches. The warmest day looks like 10 November (91.9°), the coolest 14 November (72.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 88.1° | 84.6° | +1.9° |
| 10 November – 19 November | 89.9° | 83.8° | +3.4° |
| 20 November – 29 November | at normal | 83° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Guaynabo (3 mi).
0.3
Sierra Brava, Sunday, 1 November
Rain. High 87°, low 75°.
0.23Sierra Brava, Monday, 2 November
Rain. High 86°, low 74°.
0.06Sierra Brava, Tuesday, 3 November
Light rain. High 88°, low 75°.
0.39Sierra Brava, Wednesday, 4 November
Rain. High 88°, low 74°.
0.52Sierra Brava, Thursday, 5 November
Rain. High 86°, low 75°.
0.08Sierra Brava, Friday, 6 November
Light rain. High 88°, low 74°.
0.03Sierra Brava, Saturday, 7 November
Light rain. High 90°, low 75°.
0
Sierra Brava, Sunday, 8 November
Overcast. High 90°, low 75°.
0Sierra Brava, Monday, 9 November
Light rain. High 90°, low 75°.
0
Sierra Brava, Tuesday, 10 November
Clear. High 92°, low 75°.
0.05Sierra Brava, Wednesday, 11 November
Light rain. High 91°, low 74°.
0Sierra Brava, Thursday, 12 November
Overcast. High 90°, low 74°.
0Sierra Brava, Friday, 13 November
Overcast. High 90°, low 73°.
0Sierra Brava, Saturday, 14 November
Partly cloudy. High 88°, low 72°.
0Sierra Brava, Sunday, 15 November
Overcast. High 89°, low 73°.
0.13Sierra Brava, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Sierra Brava, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.14Sierra Brava, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.13Sierra Brava, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Sierra Brava, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Sierra Brava, Saturday, 21 November
Climate normal for this date — 60-year average.
0.19Sierra Brava, Sunday, 22 November
Climate normal for this date — 60-year average.
0.13Sierra Brava, Monday, 23 November
Climate normal for this date — 60-year average.
0.1Sierra Brava, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.09Sierra Brava, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.1
Sierra Brava, Thursday, 26 November
Climate normal for this date — 60-year average.
0.07Sierra Brava, Friday, 27 November
Climate normal for this date — 60-year average.
0.07Sierra Brava, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Sierra Brava, Sunday, 29 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 Sierra Brava, 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 Sierra Brava, 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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