Weather in Río Grande, PR
Río Grande, Sunday, 18 October, 04:51
Clear. Feels like 79°. High 89°, low 77°.
Monthly outlook for Río Grande, PR: average high 86.7°, average low 77.3°. That is 1.3° above the climate normal for October. Precipitation is expected on 12 days (about 1.6 inches), against a normal of 13 days and 3.2 inches. The warmest day looks like 20 October (88.9°), the coolest 20 October (76.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 87.6° | 84.6° | +1.7° |
| 28 October – 6 November | 85.3° | 83.8° | +0.8° |
| 7 November – 16 November | at normal | 82.9° | — |
October records over 66 years
0.11
Río Grande, Monday, 19 October
Light rain. High 89°, low 77°.
0.09Río Grande, Tuesday, 20 October
Rain. High 89°, low 77°.
0.06Río Grande, Wednesday, 21 October
Light rain. High 87°, low 77°.
0.14Río Grande, Thursday, 22 October
Light rain. High 88°, low 78°.
0.03Río Grande, Friday, 23 October
Light rain. High 89°, low 78°.
0.09Río Grande, Saturday, 24 October
Light rain. High 85°, low 78°.
0.07Río Grande, Sunday, 25 October
Light rain. High 87°, low 77°.
0.05Río Grande, Monday, 26 October
Light rain. High 87°, low 78°.
0.02Río Grande, Tuesday, 27 October
Light rain. High 87°, low 78°.
0.01Río Grande, Wednesday, 28 October
Light rain. High 86°, low 78°.
0
Río Grande, Thursday, 29 October
Overcast. High 86°, low 77°.
0.15Río Grande, Friday, 30 October
Light rain. High 86°, low 77°.
0.18Río Grande, Saturday, 31 October
Light rain. High 85°, low 78°.
0.35Río Grande, Sunday, 1 November
Light rain. High 84°, low 77°.
0.12Río Grande, Monday, 2 November
Light rain. High 85°, low 77°.
0.17Río Grande, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.19Río Grande, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.2Río Grande, Thursday, 5 November
Climate normal for this date — 60-year average.
0.2Río Grande, Friday, 6 November
Climate normal for this date — 60-year average.
0.23Río Grande, Saturday, 7 November
Climate normal for this date — 60-year average.
0.25Río Grande, Sunday, 8 November
Climate normal for this date — 60-year average.
0.25Río Grande, Monday, 9 November
Climate normal for this date — 60-year average.
0.18Río Grande, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.2Río Grande, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.19Río Grande, Thursday, 12 November
Climate normal for this date — 60-year average.
0.15Río Grande, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Río Grande, Saturday, 14 November
Climate normal for this date — 60-year average.
0.14Río Grande, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Río Grande, Monday, 16 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 Río Grande, 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 Río Grande, 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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