Weather in Sierra Brava, PR
Sierra Brava, Monday, 9 November, 13:30
Heavy rain. Feels like 99°. High 87°, low 75°.
Monthly outlook for Sierra Brava, PR: average high 86.8°, average low 74.1°. That is 1.8° above the climate normal for November. Precipitation is expected on 10 days (about 2.5 inches), against a normal of 10 days and 2.2 inches. The warmest day looks like 10 November (91.6°), the coolest 19 November (71.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 88.6° | 83.8° | +2.6° |
| 19 November – 28 November | 83.9° | 83.2° | +0.4° |
| 29 November – 8 December | at normal | 82.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Guaynabo (3 mi).
0.11Sierra Brava, Tuesday, 10 November
Light rain. High 92°, low 75°.
0.08Sierra Brava, Wednesday, 11 November
Light rain. High 89°, low 75°.
0.1Sierra Brava, Thursday, 12 November
Rain. High 90°, low 76°.
0
Sierra Brava, Friday, 13 November
Mostly clear. High 89°, low 78°.
0.02Sierra Brava, Saturday, 14 November
Light rain. High 89°, low 76°.
0Sierra Brava, Sunday, 15 November
Light rain. High 87°, low 75°.
0Sierra Brava, Monday, 16 November
Mostly clear. High 88°, low 73°.
0.08Sierra Brava, Tuesday, 17 November
Light rain. High 87°, low 73°.
0
Sierra Brava, Wednesday, 18 November
Overcast. High 87°, low 73°.
0.76Sierra Brava, Thursday, 19 November
Rain. High 84°, low 72°.
0
Sierra Brava, Friday, 20 November
Partly cloudy. High 85°, low 73°.
0.17Sierra Brava, Saturday, 21 November
Light rain. High 85°, low 74°.
0.54Sierra Brava, Sunday, 22 November
Rain. High 79°, low 74°.
0.17Sierra Brava, Monday, 23 November
Light rain. High 84°, low 73°.
0.04Sierra Brava, Tuesday, 24 November
Light rain. High 86°, low 73°.
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.
0.07Sierra Brava, Monday, 30 November
Climate normal for this date — 60-year average.
0.09Sierra Brava, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.08Sierra Brava, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.07Sierra Brava, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Sierra Brava, Friday, 4 December
Climate normal for this date — 60-year average.
0.09Sierra Brava, Saturday, 5 December
Climate normal for this date — 60-year average.
0.07Sierra Brava, Sunday, 6 December
Climate normal for this date — 60-year average.
0.08Sierra Brava, Monday, 7 December
Climate normal for this date — 60-year average.
0.06Sierra Brava, Tuesday, 8 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 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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