Weather in Sierra Brava, PR
Sierra Brava, Tuesday, 27 October, 07:13
Rain. Feels like 80°. High 91°, low 79°.
Monthly outlook for Sierra Brava, PR: average high 86.7°, average low 75.2°. That is 1.1° above the climate normal for October. Precipitation is expected on 11 days (about 3.0 inches), against a normal of 10 days and 2.6 inches. The warmest day looks like 28 October (91.5°), the coolest 11 November (73.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 87.4° | 85° | +1.3° |
| 6 November – 15 November | 85.5° | 84.1° | +0.8° |
| 16 November – 25 November | at normal | 83.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Guaynabo (3 mi).
0.04Sierra Brava, Wednesday, 28 October
Light rain. High 91°, low 78°.
0.03Sierra Brava, Thursday, 29 October
Light rain. High 91°, low 76°.
0.02Sierra Brava, Friday, 30 October
Light rain. High 89°, low 76°.
0.14Sierra Brava, Saturday, 31 October
Light rain. High 88°, low 75°.
0.31Sierra Brava, Sunday, 1 November
Rain. High 88°, low 76°.
0.32Sierra Brava, Monday, 2 November
Rain. High 86°, low 75°.
0.36Sierra Brava, Tuesday, 3 November
Rain. High 83°, low 75°.
0.54Sierra Brava, Wednesday, 4 November
Rain. High 85°, low 74°.
0.18Sierra Brava, Thursday, 5 November
Light rain. High 80°, low 74°.
0.45Sierra Brava, Friday, 6 November
Light rain. High 82°, low 74°.
0.13Sierra Brava, Saturday, 7 November
Light rain. High 87°, low 74°.
0.41Sierra Brava, Sunday, 8 November
Rain. High 86°, low 74°.
0.02Sierra Brava, Monday, 9 November
Light rain. High 86°, low 75°.
0.02Sierra Brava, Tuesday, 10 November
Light rain. High 86°, low 75°.
0Sierra Brava, Wednesday, 11 November
Light rain. High 86°, low 73°.
0.15Sierra Brava, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13Sierra Brava, Friday, 13 November
Climate normal for this date — 60-year average.
0.1Sierra Brava, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Sierra Brava, Sunday, 15 November
Climate normal for this date — 60-year average.
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.
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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