Weather in Las Mercedes, PR
Las Mercedes, Sunday, 9 August, 08:31
Overcast. Feels like 88°. High 89°, low 78°.
Monthly outlook for Las Mercedes, PR: average high 88°, average low 74.8°. That is 1.9° above the climate normal for August. Precipitation is expected on 9 days (about 1.0 inches), against a normal of 13 days and 2.8 inches. The warmest day looks like 10 August (90.5°), the coolest 20 August (71.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 87.8° | 84.5° | +1.8° |
| 19 August – 28 August | 88.4° | 84.6° | +2.1° |
| 29 August – 7 September | at normal | 84.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Las Piedras (0 mi).
0.01
Las Mercedes, Monday, 10 August
Light rain. High 91°, low 78°.
0.11Las Mercedes, Tuesday, 11 August
Light rain. High 87°, low 74°.
0.24Las Mercedes, Wednesday, 12 August
Light rain. High 86°, low 75°.
0.06Las Mercedes, Thursday, 13 August
Light rain. High 86°, low 76°.
0.08Las Mercedes, Friday, 14 August
Light rain. High 86°, low 76°.
0.07Las Mercedes, Saturday, 15 August
Light rain. High 87°, low 75°.
0.03Las Mercedes, Sunday, 16 August
Light rain. High 88°, low 74°.
0Las Mercedes, Monday, 17 August
Light rain. High 89°, low 74°.
0.01Las Mercedes, Tuesday, 18 August
Light rain. High 89°, low 73°.
0Las Mercedes, Wednesday, 19 August
Light rain. High 90°, low 74°.
0
Las Mercedes, Thursday, 20 August
Mostly clear. High 90°, low 72°.
0.07Las Mercedes, Friday, 21 August
Light rain. High 88°, low 72°.
0.02Las Mercedes, Saturday, 22 August
Light rain. High 89°, low 75°.
0.11Las Mercedes, Sunday, 23 August
Light rain. High 87°, low 74°.
0.14Las Mercedes, Monday, 24 August
Light rain. High 87°, low 76°.
0.16Las Mercedes, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15Las Mercedes, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Las Mercedes, Thursday, 27 August
Climate normal for this date — 60-year average.
0.24Las Mercedes, Friday, 28 August
Climate normal for this date — 60-year average.
0.14Las Mercedes, Saturday, 29 August
Climate normal for this date — 60-year average.
0.26Las Mercedes, Sunday, 30 August
Climate normal for this date — 60-year average.
0.17Las Mercedes, Monday, 31 August
Climate normal for this date — 60-year average.
0.16Las Mercedes, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.17Las Mercedes, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15Las Mercedes, Thursday, 3 September
Climate normal for this date — 60-year average.
0.16Las Mercedes, Friday, 4 September
Climate normal for this date — 60-year average.
0.29Las Mercedes, Saturday, 5 September
Climate normal for this date — 60-year average.
0.2Las Mercedes, Sunday, 6 September
Climate normal for this date — 60-year average.
0.17Las Mercedes, Monday, 7 September
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 Las Mercedes, 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 Las Mercedes, 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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