Arenal Weather Today · 7-Day Forecast
Clouds Gather on the Horizon
Changeable skies expected — a day for both sun hat and coat.
Warmest Monday at 30° · coldest night Saturday at 19°
The short of it: Arenal weather on Friday, 13 November 2026: local time, 29 °C (85 °F) with partly cloudy skies, feeling like 33 °C (91 °F). Today’s high 29 °C (85 °F), low 19 °C (67 °F). No rain expected in the next 24 hours. Notices: fog advisory, glass falling, low risk of thunder, tropical night. Source: Wanted Weather forecast service (global weather models), updated 12:15 local time.
ARENAL, Friday. — Those stepping out in Arenal this morning will find fog; the afternoon should top out near 29°, the night near 19°. Old hands will call it a proper November day: the thirty-year average for Arenal is 28°. Barely a breath of wind stirs from the WNW, gusting to 11 km/h, and the glass holds steady.
Of the 7 days ahead, Monday looks the finest at near 30°, while Saturday night will be the coldest at 19°. Rain or snow is due on 1 of them, some 2.0 mm in all. No frost is in sight.
For travellers weighing a journey, the Almanac shows a typical November in Arenal brings highs near 28°, lows of 19° and about 108 mm of rain over the month. April is the warmest month here at 33°, January the coldest at 18°, and September the wettest with 158 mm. The best months to ride in are December and January.
The sun is up 11 h 26 min today, and the days are shortening by about 1 minutes each. The station stands 436 m above the sea.
The Hours to Come
Temperature by the hour · rain & snow in the hour beneathThe hour-by-hour ledger
| Hour | Sky | Temp | Feels | Wind | Rain · Snow |
|---|---|---|---|---|---|
| Now | Partly cloudy | 29° | 33° | 5 km/h | – |
| 1 PM | Partly cloudy | 29° | 32° | 7 km/h | – |
| 2 PM | Partly cloudy | 29° | 32° | 7 km/h | – |
| 3 PM | Partly cloudy | 29° | 32° | 7 km/h | – |
| 4 PM | Partly cloudy | 28° | 31° | 5 km/h | – |
| 5 PM | Partly cloudy | 26° | 30° | 3 km/h | – |
| 6 PM | Partly cloudy | 25° | 29° | 2 km/h | – |
| 7 PM | Partly cloudy | 24° | 28° | 2 km/h | – |
| 8 PM | Partly cloudy | 23° | 27° | 1 km/h | – |
| 9 PM | Overcast | 23° | 26° | 2 km/h | – |
| 10 PM | Partly cloudy | 22° | 25° | 2 km/h | – |
| 11 PM | Fog | 21° | 25° | 1 km/h | – |
| 12 AM | Fog | 21° | 24° | 2 km/h | – |
| 1 AM | Fog | 20° | 23° | 2 km/h | – |
| 2 AM | Fog | 20° | 23° | 2 km/h | – |
| 3 AM | Fog | 20° | 23° | 2 km/h | – |
| 4 AM | Fog | 19° | 22° | 2 km/h | – |
| 5 AM | Fog | 19° | 22° | 2 km/h | – |
| 6 AM | Fog | 19° | 22° | 2 km/h | – |
| 7 AM | Fog | 21° | 24° | 2 km/h | – |
| 8 AM | Overcast | 23° | 27° | 2 km/h | – |
| 9 AM | Partly cloudy | 25° | 29° | 1 km/h | – |
| 10 AM | Partly cloudy | 27° | 31° | 1 km/h | – |
| 11 AM | Partly cloudy | 28° | 32° | 2 km/h | – |
Seven-Day Outlook · Classified
Highs in large type · pick a dayToday (Nov 13): fog, high 29°, low 19°, dry, gusts to 15 km/h. Sun up 5:48 AM, down 5:14 PM. Sight is poor. Travellers urged to go slow and light their lanterns.
Saturday (Nov 14): fog, high 30°, low 19°, dry, gusts to 10 km/h. Sun up 5:49 AM, down 5:14 PM. Sight is poor. Travellers urged to go slow and light their lanterns.
Sunday (Nov 15): light showers, high 30°, low 20°, 1.7 mm of rain, gusts to 9 km/h. Sun up 5:49 AM, down 5:14 PM. Short showers cross the fields. The sun returns soon after.
Monday (Nov 16): fog, high 30°, low 20°, dry, gusts to 13 km/h. Sun up 5:50 AM, down 5:14 PM. Sight is poor. Travellers urged to go slow and light their lanterns.
Tuesday (Nov 17): fog, high 29°, low 20°, 0.3 mm of rain, gusts to 15 km/h. Sun up 5:50 AM, down 5:14 PM. Sight is poor. Travellers urged to go slow and light their lanterns.
Wednesday (Nov 18): fog, high 28°, low 20°, dry, gusts to 16 km/h. Sun up 5:51 AM, down 5:14 PM. Sight is poor. Travellers urged to go slow and light their lanterns.
Thursday (Nov 19): overcast, high 27°, low 20°, dry, gusts to 17 km/h. Sun up 5:51 AM, down 5:14 PM. Cloud lies thick and low. The light is dim and the air is still.
The Week in Figures
| Day | Low · High | Rain · Snow | Gusts | Daylight | |
|---|---|---|---|---|---|
| Today | 19°29° | dry | 15 km/h | 11 h 26 min | |
| Saturday | 19°30° | dry | 10 km/h | 11 h 25 min | |
| Sunday | 20°30° | 1.7 mm | 9 km/h | 11 h 25 min | |
| Monday | 20°30° | dry | 13 km/h | 11 h 24 min | |
| Tuesday | 20°29° | 0.3 mm | 15 km/h | 11 h 24 min | |
| Wednesday | 20°28° | dry | 16 km/h | 11 h 23 min | |
| Thursday | 20°27° | dry | 17 km/h | 11 h 23 min |
Warmest: Monday at 30°. Wettest: Sunday, 1.7 mm of rain. Strongest gusts: Thursday, 17 km/h.