Weather in San José, PR
San José, Sunday, 9 August, 00:01
Light rain. Feels like 90°. High 90°, low 77°.
Monthly outlook for San José, PR: average high 91.8°, average low 77.5°. That is 1.8° above the climate normal for August. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 10 days and 1.9 inches. The warmest day looks like 19 August (93.7°), the coolest 21 August (76.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 91.2° | 88.6° | +1.4° |
| 19 August – 28 August | 92.9° | 88.5° | +2.5° |
| 29 August – 7 September | at normal | 88.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Toa Alta (1 mi).
0
San José, Monday, 10 August
Partly cloudy. High 92°, low 78°.
0.02San José, Tuesday, 11 August
Light rain. High 92°, low 77°.
0
San José, Wednesday, 12 August
Overcast. High 93°, low 77°.
0.01San José, Thursday, 13 August
Light rain. High 92°, low 78°.
0.02San José, Friday, 14 August
Light rain. High 91°, low 78°.
0.02San José, Saturday, 15 August
Light rain. High 90°, low 79°.
0.01San José, Sunday, 16 August
Light rain. High 91°, low 77°.
0.14San José, Monday, 17 August
Light rain. High 88°, low 78°.
0.55San José, Tuesday, 18 August
Rain. High 92°, low 78°.
0.02San José, Wednesday, 19 August
Light rain. High 94°, low 77°.
0
San José, Thursday, 20 August
Clear. High 93°, low 78°.
0San José, Friday, 21 August
Light rain. High 93°, low 76°.
0San José, Saturday, 22 August
Overcast. High 93°, low 76°.
0.01San José, Sunday, 23 August
Light rain. High 92°, low 78°.
0San José, Monday, 24 August
Partly cloudy. High 93°, low 78°.
0.1San José, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.11San José, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09San José, Thursday, 27 August
Climate normal for this date — 60-year average.
0.15San José, Friday, 28 August
Climate normal for this date — 60-year average.
0.1San José, Saturday, 29 August
Climate normal for this date — 60-year average.
0.19San José, Sunday, 30 August
Climate normal for this date — 60-year average.
0.13San José, Monday, 31 August
Climate normal for this date — 60-year average.
0.13San José, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11San José, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.1San José, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1San José, Friday, 4 September
Climate normal for this date — 60-year average.
0.2San José, Saturday, 5 September
Climate normal for this date — 60-year average.
0.22San José, Sunday, 6 September
Climate normal for this date — 60-year average.
0.13San José, 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 José, 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 José, 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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