Cerro Osa

Current Weather

26°79°

Drizzle

Feels Like: 28°82°

Min: 25°77°

Max: 27°81°

The next few hours will be mostly cloudy, with today reaching 27°C and dropping to 25°C. The coming days will be drizzle

Hourly Forecast
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98%
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Air Quality
16
Good

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

GoodHazardous
Daylight Hours

05:24

Sunrise

17:14

Sunset

11 hours 50 minutes of sunlight today
Moon

06:00

Moonrise

Daily Forecast

Today

25°77°
27°81°

Monday

24°76°
25°78°

Tuesday

24°76°
27°81°

Wednesday

24°75°
26°78°

Thursday

25°77°
27°80°

Friday

25°77°
26°78°

Saturday

24°76°
26°79°

Sunday

25°76°
26°78°

Monday

25°76°
25°78°

Tuesday

25°77°
26°78°
UV Index
No protection needed
0Low
LowExtreme
Humidity
83%Humid
LowHigh
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Weather in Cerro Osa today, October 11, 2026

Cerro Osa looks damp on October 11, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.Cerro Osa looks damp on October 11, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly.

The day peaks near 27°C and cools toward 25°C. Relative humidity sits between 83% and 86%, reaching its peak around 23:00. Airflow remains manageable, reaching about 10 km/h around 18:00.The day peaks near 81°F and cools toward 77°F. Relative humidity sits between 83% and 86%, reaching its peak around 23:00. Airflow remains manageable, reaching about 6 mph around 18:00.

The second half of the day still looks unsettled, with rain probability around 88% by 17:00. Dense cloud near 98% at 22:00 keeps the feel grey. Expect visibility near 14.3 km, with poorer spells close to 3.3 km. Sunrise is at 05:24 and sunset at 17:14, giving 11 hours 50 minutes of sunlight today.The second half of the day still looks unsettled, with rain probability around 88% by 17:00. Dense cloud near 98% at 22:00 keeps the feel grey. Expect visibility near 8.9 mi, with poorer spells close to 2.1 mi. Sunrise is at 05:24 and sunset at 17:14, giving 11 hours 50 minutes of sunlight today.

Taken together, Cerro Osa looks wet enough on October 11, 2026 that flexible outdoor plans work best, with temperatures peaking near 27°C.Taken together, Cerro Osa looks wet enough on October 11, 2026 that flexible outdoor plans work best, with temperatures peaking near 81°F.

Frequently asked questions about weather in Cerro Osa

How warm does it get in Cerro Osa?

The warmest month in Cerro Osa is March, with average high temperatures of 29°C. The average temperature during this period is around 27°C.The warmest month in Cerro Osa is March, with average high temperatures of 83°F. The average temperature during this period is around 81°F.

How cold does it get in Cerro Osa?

The coldest month in Cerro Osa is November, with average low temperatures of 25°C. The average temperature during this period is around 26°C.The coldest month in Cerro Osa is November, with average low temperatures of 77°F. The average temperature during this period is around 78°F.

What is the wettest time of year in Cerro Osa?

The wettest month in Cerro Osa is October, with an average of 667 mm of precipitation.The wettest month in Cerro Osa is October, with an average of 26.3 in of precipitation.

What is the driest time of year in Cerro Osa?

The driest month in Cerro Osa is February, with an average of 53 mm of precipitation.The driest month in Cerro Osa is February, with an average of 2.1 in of precipitation.

View full climate insights for Cerro Osa →