Weather in Santiago, PR
Santiago, Saturday, 8 August, 21:13
Clear. Feels like 88°. High 90°, low 76°.
Monthly outlook for Santiago, PR: average high 87°, average low 76.9°. That is 0.9° above the climate normal for August. Precipitation is expected on 7 days (about 1.8 inches), against a normal of 11 days and 2.2 inches. The warmest day looks like 10 August (91°), the coolest 9 August (75.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 87.7° | 85.4° | +1.2° |
| 18 August – 27 August | 86° | 85.2° | +0.4° |
| 28 August – 6 September | at normal | 84.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Aceitunas (3 mi).
0.01
Santiago, Sunday, 9 August
Light rain. High 90°, low 76°.
0
Santiago, Monday, 10 August
Clear. High 91°, low 77°.
0.33Santiago, Tuesday, 11 August
Rain. High 86°, low 77°.
0.16Santiago, Wednesday, 12 August
Light rain. High 87°, low 76°.
0
Santiago, Thursday, 13 August
Overcast. High 90°, low 77°.
0Santiago, Friday, 14 August
Overcast. High 87°, low 76°.
0
Santiago, Saturday, 15 August
Mostly clear. High 85°, low 79°.
0Santiago, Sunday, 16 August
Overcast. High 86°, low 78°.
0.23Santiago, Monday, 17 August
Light rain. High 85°, low 78°.
0.67Santiago, Tuesday, 18 August
Rain. High 86°, low 78°.
0.04Santiago, Wednesday, 19 August
Light rain. High 86°, low 78°.
0.01Santiago, Thursday, 20 August
Light rain. High 86°, low 78°.
0Santiago, Friday, 21 August
Light rain. High 86°, low 76°.
0.21Santiago, Saturday, 22 August
Rain. High 86°, low 76°.
0Santiago, Sunday, 23 August
Mostly clear. High 86°, low 76°.
0.19Santiago, Monday, 24 August
Climate normal for this date — 60-year average.
0.12Santiago, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16Santiago, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12Santiago, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15Santiago, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Santiago, Saturday, 29 August
Climate normal for this date — 60-year average.
0.2Santiago, Sunday, 30 August
Climate normal for this date — 60-year average.
0.15Santiago, Monday, 31 August
Climate normal for this date — 60-year average.
0.15Santiago, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.14Santiago, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12Santiago, Thursday, 3 September
Climate normal for this date — 60-year average.
0.13Santiago, Friday, 4 September
Climate normal for this date — 60-year average.
0.23Santiago, Saturday, 5 September
Climate normal for this date — 60-year average.
0.17Santiago, Sunday, 6 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 Santiago, 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 Santiago, 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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