Weather in Summit Hills, PR
Summit Hills, Thursday, 15 October, 10:36
Mostly clear. Feels like 100°. High 88°, low 77°.
Monthly outlook for Summit Hills, PR: average high 86.7°, average low 76.1°. That is 0.4° above the climate normal for October. Precipitation is expected on 11 days (about 3.9 inches), against a normal of 11 days and 2.4 inches. The warmest day looks like 22 October (91.8°), the coolest 18 October (73.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 87.9° | 86.1° | +1° |
| 25 October – 3 November | 84.6° | 85.2° | -0.3° |
| 4 November – 13 November | at normal | 84.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Guaynabo (1 mi).
0.03
Summit Hills, Friday, 16 October
Light rain. High 86°, low 77°.
0.09Summit Hills, Saturday, 17 October
Light rain. High 86°, low 76°.
0.07Summit Hills, Sunday, 18 October
Light rain. High 86°, low 74°.
0.09Summit Hills, Monday, 19 October
Light rain. High 87°, low 75°.
0.07Summit Hills, Tuesday, 20 October
Light rain. High 88°, low 75°.
0.02Summit Hills, Wednesday, 21 October
Light rain. High 90°, low 75°.
0.01Summit Hills, Thursday, 22 October
Light rain. High 92°, low 76°.
0
Summit Hills, Friday, 23 October
Overcast. High 91°, low 78°.
0Summit Hills, Saturday, 24 October
Light rain. High 85°, low 79°.
0.34Summit Hills, Sunday, 25 October
Rain. High 89°, low 77°.
0.49Summit Hills, Monday, 26 October
Rain. High 84°, low 76°.
0.9Summit Hills, Tuesday, 27 October
Rain. High 82°, low 76°.
1.21Summit Hills, Wednesday, 28 October
Rain. High 80°, low 76°.
0.22Summit Hills, Thursday, 29 October
Light rain. High 86°, low 76°.
0.25Summit Hills, Friday, 30 October
Light rain. High 86°, low 76°.
0.2Summit Hills, Saturday, 31 October
Climate normal for this date — 60-year average.
0.17Summit Hills, Sunday, 1 November
Climate normal for this date — 60-year average.
0.14Summit Hills, Monday, 2 November
Climate normal for this date — 60-year average.
0.12Summit Hills, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.14Summit Hills, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.14Summit Hills, Thursday, 5 November
Climate normal for this date — 60-year average.
0.17Summit Hills, Friday, 6 November
Climate normal for this date — 60-year average.
0.19Summit Hills, Saturday, 7 November
Climate normal for this date — 60-year average.
0.18Summit Hills, Sunday, 8 November
Climate normal for this date — 60-year average.
0.2Summit Hills, Monday, 9 November
Climate normal for this date — 60-year average.
0.13Summit Hills, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Summit Hills, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15Summit Hills, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13Summit Hills, Friday, 13 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 Summit Hills, 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 Summit Hills, 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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