Weather in Sierra Brava, PR
Sierra Brava, Friday, 13 November, 22:55
Mostly clear. Feels like 92°. High 88°, low 79°.
Monthly outlook for Sierra Brava, PR: average high 87.7°, average low 75.3°. That is 2.4° above the climate normal for November. Precipitation is expected on 7 days (about 1.0 inches), against a normal of 9 days and 1.8 inches. The warmest day looks like 15 November (89.8°), the coolest 16 November (74.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 87.7° | 83.6° | +2.3° |
| 23 November – 2 December | 87.7° | 82.9° | +2.7° |
| 3 December – 12 December | at normal | 82.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Guaynabo (3 mi).
0
Sierra Brava, Saturday, 14 November
Mostly clear. High 89°, low 80°.
0
Sierra Brava, Sunday, 15 November
Overcast. High 90°, low 76°.
0.16
Sierra Brava, Monday, 16 November
Rain. High 87°, low 74°.
0.03Sierra Brava, Tuesday, 17 November
Light rain. High 87°, low 75°.
0.27Sierra Brava, Wednesday, 18 November
Rain. High 88°, low 74°.
0.1Sierra Brava, Thursday, 19 November
Light rain. High 84°, low 74°.
0Sierra Brava, Friday, 20 November
Overcast. High 87°, low 74°.
0.11Sierra Brava, Saturday, 21 November
Light rain. High 89°, low 74°.
0.01Sierra Brava, Sunday, 22 November
Light rain. High 88°, low 74°.
0.01Sierra Brava, Monday, 23 November
Light rain. High 88°, low 76°.
0.03Sierra Brava, Tuesday, 24 November
Light rain. High 89°, low 75°.
0.15Sierra Brava, Wednesday, 25 November
Light rain. High 87°, low 74°.
0.04Sierra Brava, Thursday, 26 November
Light rain. High 87°, low 74°.
0.04Sierra Brava, Friday, 27 November
Light rain. High 87°, low 75°.
0.01Sierra Brava, Saturday, 28 November
Light rain. High 88°, low 75°.
0.07
Sierra 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.
0.07Sierra Brava, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.07Sierra Brava, Thursday, 10 December
Climate normal for this date — 60-year average.
0.07Sierra Brava, Friday, 11 December
Climate normal for this date — 60-year average.
0.06Sierra Brava, Saturday, 12 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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