Weather in Río Grande, PR
Río Grande, Saturday, 8 August, 21:37
Clear. Feels like 91°. High 91°, low 78°.
Monthly outlook for Río Grande, PR: average high 88.3°, average low 78.3°. That is 1.3° above the climate normal for August. Precipitation is expected on 10 days (about 0.9 inches), against a normal of 13 days and 2.6 inches. The warmest day looks like 10 August (92.1°), the coolest 22 August (77.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 88.2° | 85.9° | +1.3° |
| 18 August – 27 August | 88.5° | 86° | +1.4° |
| 28 August – 6 September | at normal | 86.3° | — |
August records over 66 years
0.05
Río Grande, Sunday, 9 August
Light rain. High 92°, low 78°.
0.01Río Grande, Monday, 10 August
Light rain. High 92°, low 78°.
0.17Río Grande, Tuesday, 11 August
Light rain. High 87°, low 77°.
0.1Río Grande, Wednesday, 12 August
Light rain. High 88°, low 78°.
0.05Río Grande, Thursday, 13 August
Light rain. High 87°, low 79°.
0.06Río Grande, Friday, 14 August
Light rain. High 86°, low 79°.
0.04Río Grande, Saturday, 15 August
Light rain. High 86°, low 79°.
0.04Río Grande, Sunday, 16 August
Light rain. High 87°, low 78°.
0.14Río Grande, Monday, 17 August
Light rain. High 87°, low 80°.
0.15Río Grande, Tuesday, 18 August
Light rain. High 90°, low 79°.
0
Río Grande, Wednesday, 19 August
Clear. High 90°, low 78°.
0Río Grande, Thursday, 20 August
Clear. High 88°, low 79°.
0.01Río Grande, Friday, 21 August
Light rain. High 88°, low 78°.
0.05Río Grande, Saturday, 22 August
Light rain. High 88°, low 77°.
0
Río Grande, Sunday, 23 August
Partly cloudy. High 87°, low 78°.
0.24Río Grande, Monday, 24 August
Climate normal for this date — 60-year average.
0.15Río Grande, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.14Río Grande, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Río Grande, Thursday, 27 August
Climate normal for this date — 60-year average.
0.21Río Grande, Friday, 28 August
Climate normal for this date — 60-year average.
0.13Río Grande, Saturday, 29 August
Climate normal for this date — 60-year average.
0.25Río Grande, Sunday, 30 August
Climate normal for this date — 60-year average.
0.17Río Grande, Monday, 31 August
Climate normal for this date — 60-year average.
0.17Río Grande, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.18Río Grande, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.15Río Grande, Thursday, 3 September
Climate normal for this date — 60-year average.
0.15Río Grande, Friday, 4 September
Climate normal for this date — 60-year average.
0.29Río Grande, Saturday, 5 September
Climate normal for this date — 60-year average.
0.23Río Grande, Sunday, 6 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 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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