Weather in San Antonio, PR
San Antonio, Saturday, 8 August, 17:39
Mostly clear. Feels like 98°. High 91°, low 77°.
Monthly outlook for San Antonio, PR: average high 90.9°, average low 77.8°. That is 1.1° above the climate normal for August. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 9 days and 1.7 inches. The warmest day looks like 21 August (93.6°), the coolest 23 August (75.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 90.5° | 88.8° | +0.9° |
| 18 August – 27 August | 91.5° | 88.8° | +1.5° |
| 28 August – 6 September | at normal | 88.6° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Campanilla (4 mi).
0.01
San Antonio, Sunday, 9 August
Light rain. High 91°, low 77°.
0
San Antonio, Monday, 10 August
Partly cloudy. High 91°, low 78°.
0.02San Antonio, Tuesday, 11 August
Light rain. High 91°, low 78°.
0San Antonio, Wednesday, 12 August
Partly cloudy. High 93°, low 78°.
0.01San Antonio, Thursday, 13 August
Light rain. High 91°, low 78°.
0.01San Antonio, Friday, 14 August
Light rain. High 90°, low 78°.
0.02San Antonio, Saturday, 15 August
Light rain. High 90°, low 80°.
0.03San Antonio, Sunday, 16 August
Light rain. High 90°, low 79°.
0.08San Antonio, Monday, 17 August
Light rain. High 89°, low 79°.
0.42San Antonio, Tuesday, 18 August
Rain. High 86°, low 78°.
0.05San Antonio, Wednesday, 19 August
Light rain. High 92°, low 76°.
0.01San Antonio, Thursday, 20 August
Light rain. High 93°, low 78°.
0
San Antonio, Friday, 21 August
Overcast. High 94°, low 77°.
0San Antonio, Saturday, 22 August
Partly cloudy. High 91°, low 78°.
0San Antonio, Sunday, 23 August
Light rain. High 92°, low 76°.
0.13San Antonio, Monday, 24 August
Climate normal for this date — 60-year average.
0.09San Antonio, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.1San Antonio, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09San Antonio, Thursday, 27 August
Climate normal for this date — 60-year average.
0.14San Antonio, Friday, 28 August
Climate normal for this date — 60-year average.
0.1San Antonio, Saturday, 29 August
Climate normal for this date — 60-year average.
0.19San Antonio, Sunday, 30 August
Climate normal for this date — 60-year average.
0.12San Antonio, Monday, 31 August
Climate normal for this date — 60-year average.
0.13San Antonio, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11San Antonio, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1San Antonio, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1San Antonio, Friday, 4 September
Climate normal for this date — 60-year average.
0.2San Antonio, Saturday, 5 September
Climate normal for this date — 60-year average.
0.18San Antonio, 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 San Antonio, 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 San Antonio, 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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