Weather forecast for 10 days
Río Azul, Costa Rica

Weather forecast for the weekend

Saturday, 17. May

Thunderstorms
05:13

17:51
CST
Thunderstorms
26°C / 18°C
  • Wind: 16km/h SSE
  • Humidity: 75%
  • Precip. probability: 97%
  • Precipitation: 12mm
  • UV index: 9
On Saturday, 17th of May, thunderstorms may develop under unsettled skies.
With a high probability, moderate precipitation is anticipated. Temperature fluctuations between a moderately hot 26°C and a comfortable 18°C are predicted.
On Saturday, the forecasted peak temperature is expected to mirror May's average high of 24.3°C.
Sunrise will be at 05:13 and sunset at 17:51; the daylight will last for 12h and 38min.

Sunday, 18. May

Showers
05:13

17:51
CST
Showers
26°C / 18°C
  • Wind: 15km/h SSE
  • Humidity: 74%
  • Precip. probability: 88%
  • Precipitation: 9mm
  • UV index: 11
On Sunday, 18th of May, expect light showers throughout the day, with a chance of dry weather later.
The likelihood of rainfall is high. However, precipitation will be light. Temperature span will be from a high of a temperate 26°C to a low of a breezy 18°C.
Forecasts show that on Sunday the temperature will align with May's standard maximum of 24.3°C.
Sunrise will be at 05:13 and sunset at 17:51; the daylight will last for 12h and 38min.

Frequently asked questions

What is the weather forecast for Río Azul for Saturday?
On Saturday, unstable skies bring the chance of thunderstorms.
Will it rain on Saturday?
With a probability of 97%, moderate precipitation of 12mm is forecasted on Saturday.
What will be the maximum temperature on Saturday?
On Saturday, the highest temperature will be 26°C, while the lowest temperature will be 18°C.
What is the weather forecast for Río Azul for Sunday?
On Sunday, in Río Azul, expect showers at times, with periods of lighter rain during the day.
Will it rain on Sunday?
Light precipitation of 9mm is anticipated on Sunday. The likelihood of rainfall is high at 88%.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature will be 26°C, while the minimum temperature will be 18°C.
What is the weather forecast for Río Azul for the next ten days?
In Río Azul, a combination of predominantly storm-filled and occasionally damp and cloudy weather is predicted for the next ten days.
Will it rain in the next ten days?
Rainfall is expected nearly every day for the next ten days in Río Azul. With substantial precipitation of 23mm, Thursday will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 26°C and 27°C, while the minimum temperature will range between 18°C and 19°C.
What will be the warmest and the coldest days?
The warmest days will be Monday and next Wednesday, with a maximum of 27°C. All other days, the maximum temperature will be the same 26°C.

Long-term weather forecast

Tue13.May
  • min.
  • 19°C
Cloudy
Cloudy
  • Wind: 14km/h ESE
  • Humidity: 85%
  • UV index: 0
  • Precip. probability: 8%
  • Precipitation: 0mm
  • 05:14 17:50 CST
Wed14.May
  • 26°C
  • 19°C
PM Showers
PM Showers
  • Wind: 21km/h E
  • Humidity: 71%
  • UV index: 6
  • Precip. probability: 53%
  • Precipitation: 4mm
  • 05:14 17:50 CST
Thu15.May
  • 26°C
  • 19°C
PM Thunderstorms
PM Thunderstorms
  • Wind: 18km/h SSE
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 98%
  • Precipitation: 23mm
  • 05:13 17:51 CST
Fri16.May
  • 26°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 15km/h S
  • Humidity: 75%
  • UV index: 5
  • Precip. probability: 95%
  • Precipitation: 16mm
  • 05:13 17:51 CST
Sat17.May
  • 26°C
  • 18°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h SSE
  • Humidity: 75%
  • UV index: 9
  • Precip. probability: 97%
  • Precipitation: 12mm
  • 05:13 17:51 CST
Sun18.May
  • 26°C
  • 18°C
Showers
Showers
  • Wind: 15km/h SSE
  • Humidity: 74%
  • UV index: 11
  • Precip. probability: 88%
  • Precipitation: 9mm
  • 05:13 17:51 CST
Mon19.May
  • 27°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h ESE
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 79%
  • Precipitation: 7mm
  • 05:13 17:51 CST
Tue20.May
  • 26°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 16km/h ESE
  • Humidity: 72%
  • UV index: 11
  • Precip. probability: 69%
  • Precipitation: 7mm
  • 05:13 17:52 CST
Wed21.May
  • 27°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 18km/h ESE
  • Humidity: 71%
  • UV index: 11
  • Precip. probability: 60%
  • Precipitation: 6mm
  • 05:13 17:52 CST
Thu22.May
  • 26°C
  • 19°C
Thunderstorms
Thunderstorms
  • Wind: 17km/h ESE
  • Humidity: 72%
  • UV index: 9
  • Precip. probability: 60%
  • Precipitation: 9mm
  • 05:13 17:52 CST
For the next ten days, a combination of primarily unstable and occasionally rain-filled and gloomy weather is predicted.
Rainfall is forecasted for Wednesday through next Thursday.
The temperature shift across days will be subtle during the next few days. The maximum temperature will vary between 26°C and 27°C, while the lowest nighttime temperatures will be also relatively consistent, as the overnight low will fall between 18°C and 19°C.
Monday and next Wednesday, with the highest temperature of 27°C, will be the warmest days; all other days, the highest temperature will be 26°C.
Updated: May 14, 2025 @ 05:10:17 UTC
Published by: Weather Atlas | About Us
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