Weather in Mariana, PR
Mariana, Monday, 12 October, 02:21
Partly cloudy. Feels like 77°. High 88°, low 76°.
Monthly outlook for Mariana, PR: average high 86.7°, average low 73.8°. That is 0.4° above the climate normal for October. Precipitation is expected on 12 days (about 2.4 inches), against a normal of 13 days and 3.1 inches. The warmest day looks like 14 October (88.1°), the coolest 24 October (71.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 86.8° | 86.1° | +0.4° |
| 22 October – 31 October | 86.4° | 85.3° | +0.6° |
| 1 November – 10 November | at normal | 84.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Trujillo Alto (4 mi).
0.26
Mariana, Tuesday, 13 October
Heavy rain. High 86°, low 74°.
0.22Mariana, Wednesday, 14 October
Rain. High 88°, low 73°.
0.04Mariana, Thursday, 15 October
Light rain. High 88°, low 73°.
0.02Mariana, Friday, 16 October
Light rain. High 87°, low 75°.
0.01Mariana, Saturday, 17 October
Light rain. High 87°, low 74°.
0.04Mariana, Sunday, 18 October
Light rain. High 87°, low 75°.
0.07Mariana, Monday, 19 October
Light rain. High 87°, low 75°.
0.85Mariana, Tuesday, 20 October
Rain. High 86°, low 72°.
0.17Mariana, Wednesday, 21 October
Light rain. High 85°, low 73°.
0.08Mariana, Thursday, 22 October
Light rain. High 87°, low 73°.
0.26Mariana, Friday, 23 October
Light rain. High 83°, low 73°.
0.11Mariana, Saturday, 24 October
Light rain. High 87°, low 72°.
0.17Mariana, Sunday, 25 October
Light rain. High 87°, low 73°.
0
Mariana, Monday, 26 October
Clear. High 87°, low 75°.
0.02Mariana, Tuesday, 27 October
Light rain. High 87°, low 75°.
0.19Mariana, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.19Mariana, Thursday, 29 October
Climate normal for this date — 60-year average.
0.19Mariana, Friday, 30 October
Climate normal for this date — 60-year average.
0.24Mariana, Saturday, 31 October
Climate normal for this date — 60-year average.
0.23Mariana, Sunday, 1 November
Climate normal for this date — 60-year average.
0.17Mariana, Monday, 2 November
Climate normal for this date — 60-year average.
0.17Mariana, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.19Mariana, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.18Mariana, Thursday, 5 November
Climate normal for this date — 60-year average.
0.2Mariana, Friday, 6 November
Climate normal for this date — 60-year average.
0.24Mariana, Saturday, 7 November
Climate normal for this date — 60-year average.
0.22Mariana, Sunday, 8 November
Climate normal for this date — 60-year average.
0.24Mariana, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Mariana, Tuesday, 10 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 Mariana, 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 Mariana, 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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