Weather in San Francisco, PR
San Francisco, Wednesday, 21 October, 07:42
Clear. Feels like 79°. High 88°, low 75°.
Monthly outlook for San Francisco, PR: average high 88.1°, average low 76°. That is 1.3° above the climate normal for October. Precipitation is expected on 9 days (about 1.2 inches), against a normal of 13 days and 3.1 inches. The warmest day looks like 25 October (91.3°), the coolest 4 November (73.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 88.7° | 86.1° | +1.4° |
| 31 October – 9 November | 87.3° | 85.1° | +1.2° |
| 10 November – 19 November | at normal | 84.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — San Juan (2 mi).
0.12
San Francisco, Thursday, 22 October
Rain. High 86°, low 77°.
0.02San Francisco, Friday, 23 October
Light rain. High 88°, low 76°.
0.05San Francisco, Saturday, 24 October
Light rain. High 89°, low 78°.
0
San Francisco, Sunday, 25 October
Overcast. High 91°, low 78°.
0.16San Francisco, Monday, 26 October
Light rain. High 89°, low 78°.
0.01San Francisco, Tuesday, 27 October
Light rain. High 90°, low 77°.
0.04San Francisco, Wednesday, 28 October
Light rain. High 88°, low 77°.
0.01San Francisco, Thursday, 29 October
Light rain. High 89°, low 77°.
0.04San Francisco, Friday, 30 October
Light rain. High 88°, low 76°.
0San Francisco, Saturday, 31 October
Overcast. High 89°, low 75°.
0.07San Francisco, Sunday, 1 November
Light rain. High 87°, low 75°.
0.01San Francisco, Monday, 2 November
Light rain. High 88°, low 75°.
0.08San Francisco, Tuesday, 3 November
Light rain. High 86°, low 75°.
0.25San Francisco, Wednesday, 4 November
Light rain. High 87°, low 74°.
0.2San Francisco, Thursday, 5 November
Rain. High 87°, low 74°.
0.2San Francisco, Friday, 6 November
Climate normal for this date — 60-year average.
0.23San Francisco, Saturday, 7 November
Climate normal for this date — 60-year average.
0.22San Francisco, Sunday, 8 November
Climate normal for this date — 60-year average.
0.24San Francisco, Monday, 9 November
Climate normal for this date — 60-year average.
0.17San Francisco, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.2San Francisco, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.18San Francisco, Thursday, 12 November
Climate normal for this date — 60-year average.
0.15San Francisco, Friday, 13 November
Climate normal for this date — 60-year average.
0.12San Francisco, Saturday, 14 November
Climate normal for this date — 60-year average.
0.14San Francisco, Sunday, 15 November
Climate normal for this date — 60-year average.
0.13San Francisco, Monday, 16 November
Climate normal for this date — 60-year average.
0.15San Francisco, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.16San Francisco, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.15San Francisco, Thursday, 19 November
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 Francisco, 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 Francisco, 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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