Weather in San Sebastián, PR
San Sebastián, Sunday, 9 August, 05:24
Clear. Feels like 78°. High 89°, low 77°.
Monthly outlook for San Sebastián, PR: average high 92.5°, average low 73.7°. That is 4° above the climate normal for August. Precipitation is expected on 8 days (about 1.4 inches), against a normal of 11 days and 2.3 inches. The warmest day looks like 13 August (95.6°), the coolest 18 August (71.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 92.4° | 85.4° | +3.9° |
| 19 August – 28 August | 92.6° | 85.2° | +4.1° |
| 29 August – 7 September | at normal | 84.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Aceitunas (9 mi).
0.02
San Sebastián, Monday, 10 August
Light rain. High 91°, low 76°.
0.51San Sebastián, Tuesday, 11 August
Rain. High 92°, low 74°.
0.18San Sebastián, Wednesday, 12 August
Light rain. High 91°, low 73°.
0
San Sebastián, Thursday, 13 August
Mostly clear. High 96°, low 74°.
0
San Sebastián, Friday, 14 August
Clear. High 95°, low 73°.
0San Sebastián, Saturday, 15 August
Clear. High 95°, low 75°.
0.1San Sebastián, Sunday, 16 August
Light rain. High 93°, low 73°.
0.01San Sebastián, Monday, 17 August
Light rain. High 92°, low 74°.
0.08San Sebastián, Tuesday, 18 August
Light rain. High 92°, low 72°.
0.01San Sebastián, Wednesday, 19 August
Light rain. High 92°, low 72°.
0.01San Sebastián, Thursday, 20 August
Light rain. High 91°, low 73°.
0San Sebastián, Friday, 21 August
Clear. High 92°, low 72°.
0.04San Sebastián, Saturday, 22 August
Light rain. High 93°, low 74°.
0.22San Sebastián, Sunday, 23 August
Rain. High 93°, low 72°.
0.16San Sebastián, Monday, 24 August
Rain. High 94°, low 74°.
0.12San Sebastián, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.16San Sebastián, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12San Sebastián, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15San Sebastián, Friday, 28 August
Climate normal for this date — 60-year average.
0.12San Sebastián, Saturday, 29 August
Climate normal for this date — 60-year average.
0.2San Sebastián, Sunday, 30 August
Climate normal for this date — 60-year average.
0.15San Sebastián, Monday, 31 August
Climate normal for this date — 60-year average.
0.15San Sebastián, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.14San Sebastián, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.12San Sebastián, Thursday, 3 September
Climate normal for this date — 60-year average.
0.13San Sebastián, Friday, 4 September
Climate normal for this date — 60-year average.
0.23San Sebastián, Saturday, 5 September
Climate normal for this date — 60-year average.
0.17San Sebastián, Sunday, 6 September
Climate normal for this date — 60-year average.
0.15San Sebastián, 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 San Sebastián, 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 Sebastián, 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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