Weather in Arenal, PR
Arenal, Sunday, 25 October, 13:27
Light rain. Feels like 103°. High 91°, low 79°.
Monthly outlook for Arenal, PR: average high 86.2°, average low 76.8°. That is 1.3° above the climate normal for October. Precipitation is expected on 14 days (about 4.7 inches), against a normal of 11 days and 2.6 inches. The warmest day looks like 26 October (92.1°), the coolest 30 October (72.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 87.4° | 84.1° | +1.8° |
| 4 November – 13 November | 84.4° | 83.5° | +0.5° |
| 14 November – 23 November | at normal | 83.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Salinas (1 mi).
0.37Arenal, Monday, 26 October
Rain. High 92°, low 76°.
0.07Arenal, Tuesday, 27 October
Light rain. High 87°, low 76°.
0.07Arenal, Wednesday, 28 October
Light rain. High 89°, low 75°.
0
Arenal, Thursday, 29 October
Clear. High 89°, low 73°.
0.03Arenal, Friday, 30 October
Light rain. High 89°, low 73°.
0.36Arenal, Saturday, 31 October
Rain. High 87°, low 77°.
0.82Arenal, Sunday, 1 November
Rain. High 82°, low 78°.
0.12Arenal, Monday, 2 November
Light rain. High 84°, low 77°.
0.24Arenal, Tuesday, 3 November
Light rain. High 85°, low 77°.
0.04Arenal, Wednesday, 4 November
Light rain. High 85°, low 79°.
1.33Arenal, Thursday, 5 November
Heavy rain. High 84°, low 76°.
0.56Arenal, Friday, 6 November
Rain. High 84°, low 79°.
0.26Arenal, Saturday, 7 November
Light rain. High 84°, low 78°.
0.2Arenal, Sunday, 8 November
Light rain. High 85°, low 79°.
0.11Arenal, Monday, 9 November
Light rain. High 85°, low 79°.
0.15Arenal, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Arenal, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.14Arenal, Thursday, 12 November
Climate normal for this date — 60-year average.
0.11Arenal, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Arenal, Saturday, 14 November
Climate normal for this date — 60-year average.
0.1Arenal, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09Arenal, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Arenal, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Arenal, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09Arenal, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Arenal, Friday, 20 November
Climate normal for this date — 60-year average.
0.08Arenal, Saturday, 21 November
Climate normal for this date — 60-year average.
0.15Arenal, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09Arenal, Monday, 23 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 Arenal, 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 Arenal, 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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