Weather in Sierra Bayamón, PR
Sierra Bayamón, Thursday, 22 October, 03:30
Overcast. Feels like 80°. High 90°, low 78°.
Monthly outlook for Sierra Bayamón, PR: average high 88.7°, average low 76.2°. That is 1.8° above the climate normal for October. Precipitation is expected on 7 days (about 1.3 inches), against a normal of 11 days and 2.6 inches. The warmest day looks like 30 October (91.2°), the coolest 3 November (74.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 89.3° | 85.8° | +1.9° |
| 1 November – 10 November | 87.6° | 84.7° | +1.6° |
| 11 November – 20 November | at normal | 84.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Bayamón (2 mi).
0.02
Sierra Bayamón, Friday, 23 October
Light rain. High 88°, low 77°.
0.11Sierra Bayamón, Saturday, 24 October
Rain. High 87°, low 77°.
0.04Sierra Bayamón, Sunday, 25 October
Light rain. High 89°, low 77°.
0
Sierra Bayamón, Monday, 26 October
Partly cloudy. High 91°, low 77°.
0.02Sierra Bayamón, Tuesday, 27 October
Light rain. High 89°, low 76°.
0.02Sierra Bayamón, Wednesday, 28 October
Light rain. High 88°, low 76°.
0Sierra Bayamón, Thursday, 29 October
Overcast. High 91°, low 76°.
0Sierra Bayamón, Friday, 30 October
Overcast. High 91°, low 76°.
0.08Sierra Bayamón, Saturday, 31 October
Light rain. High 90°, low 76°.
0.15Sierra Bayamón, Sunday, 1 November
Light rain. High 88°, low 75°.
0.2Sierra Bayamón, Monday, 2 November
Light rain. High 88°, low 75°.
0.28Sierra Bayamón, Tuesday, 3 November
Rain. High 87°, low 75°.
0.14Sierra Bayamón, Wednesday, 4 November
Light rain. High 86°, low 76°.
0.03Sierra Bayamón, Thursday, 5 November
Light rain. High 88°, low 76°.
0.02Sierra Bayamón, Friday, 6 November
Light rain. High 88°, low 75°.
0.2Sierra Bayamón, Saturday, 7 November
Climate normal for this date — 60-year average.
0.19Sierra Bayamón, Sunday, 8 November
Climate normal for this date — 60-year average.
0.2Sierra Bayamón, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Sierra Bayamón, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Sierra Bayamón, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15Sierra Bayamón, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13Sierra Bayamón, Friday, 13 November
Climate normal for this date — 60-year average.
0.11Sierra Bayamón, Saturday, 14 November
Climate normal for this date — 60-year average.
0.12Sierra Bayamón, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13Sierra Bayamón, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Sierra Bayamón, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Sierra Bayamón, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.15Sierra Bayamón, Thursday, 19 November
Climate normal for this date — 60-year average.
0.13Sierra Bayamón, Friday, 20 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 Bayamón, 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 Bayamón, 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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