Arenal

Current Weather

27°81°

Light Rain

Feels Like: 34°92°

Min: 24°76°

Max: 28°82°

The next few hours will be humid and overcast, with today reaching 28°C and dropping to 23°C. The coming days will be drizzle

Hourly Forecast
27°81°28°82°27°81°26°79°25°77°25°77°25°77°25°76°24°76°24°75°24°75°24°74°23°74°23°74°24°74°24°75°24°75°25°78°27°80°28°82°28°82°27°81°27°81°27°80°
96%
96%
82%
82%
82%
26%
26%
26%
50%
50%
50%
58%
58%
58%
48%
48%
48%
38%
38%
38%
82%
82%
82%
96%
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
Today
Tomorrow

Want a closer look at the weather?

Premium adds minute-by-minute rain timing, yesterday comparisons, and more detail across Airpult.

Get Premium
Air Quality
22
Good

Air quality is satisfactory, and air pollution poses little or no risk.

GoodHazardous
Daylight Hours

06:04

Sunrise

17:54

Sunset

11 hours 49 minutes of sunlight today
Moon

06:40

Moonrise

18:41

Moonset

Daily Forecast

Today

24°76°
28°82°

Monday

23°74°
28°82°

Tuesday

23°73°
27°80°

Wednesday

24°75°
30°85°

Thursday

24°75°
32°89°

Friday

24°75°
29°85°

Saturday

24°75°
26°79°

Sunday

24°76°
30°86°

Monday

24°75°
31°87°

Tuesday

24°75°
30°86°
UV Index
Wear sunscreen
4Moderate
LowExtreme
Humidity
87%Humid
LowHigh
Looking at the night sky?

See moon phases, eclipses, and seasons for this year.

View astronomy
Current stargazing conditions?

See sky darkness, moon phase, and the best viewing window for Arenal.

View stargazing score

Weather in Arenal today, October 11, 2026

Expect unsettled, showery conditions in Arenal on October 11, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.Expect unsettled, showery conditions in Arenal on October 11, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans.

The day peaks near 28°C and cools toward 24°C. Expect humidity between 84% and 98%, most humid near 20:00. Airflow remains manageable, reaching about 8 km/h around 19:00.The day peaks near 82°F and cools toward 76°F. Expect humidity between 84% and 98%, most humid near 20:00. Airflow remains manageable, reaching about 5 mph around 19:00.

Expect the wet theme to continue later, as rain odds reach 96% near 15:00. Cloud amounts hold near 100% around 18:00. Expect visibility near 14.7 km, with poorer spells close to 8.7 km. The sun rises at 06:04 and sets at 17:54, for a total of 11 hours 49 minutes of sunlight today.Expect the wet theme to continue later, as rain odds reach 96% near 15:00. Cloud amounts hold near 100% around 18:00. Expect visibility near 9.1 mi, with poorer spells close to 5.4 mi. The sun rises at 06:04 and sets at 17:54, for a total of 11 hours 49 minutes of sunlight today.

The practical takeaway for Arenal on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 28°C.The practical takeaway for Arenal on October 11, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 82°F.

Frequently asked questions about weather in Arenal

How warm does it get in Arenal?

The warmest month in Arenal is March, with average high temperatures of 32°C. The average temperature during this period is around 27°C.The warmest month in Arenal is March, with average high temperatures of 90°F. The average temperature during this period is around 81°F.

How cold does it get in Arenal?

The coldest month in Arenal is January, with average low temperatures of 23°C. The average temperature during this period is around 26°C.The coldest month in Arenal is January, with average low temperatures of 74°F. The average temperature during this period is around 79°F.

What is the wettest time of year in Arenal?

The wettest month in Arenal is June, with an average of 322 mm of precipitation.The wettest month in Arenal is June, with an average of 12.7 in of precipitation.

What is the driest time of year in Arenal?

The driest month in Arenal is February, with an average of 23 mm of precipitation.The driest month in Arenal is February, with an average of 0.9 in of precipitation.

View full climate insights for Arenal →