Tres Ríos

La Unión, Provincia de Cartago, Costa Rica

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

23°

Mostly Cloudy

Feels Like: 23°

Min: 17°

Max: 24°

The next few hours will be mostly cloudy, with today reaching 24°C and dropping to 18°C. The coming days will be rain throughout the day.

Does this forecast seem accurate?

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

21° 24° 23° 23° 23° 22° 21° 20° 20° 20° 19° 19° 19° 19° 19° 18° 18° 18° 18° 18° 18° 18° 18° 20°
6%
6%
100%
100%
100%
100%
100%
100%
100%
100%
100%
50%
50%
50%
8%
8%
8%
12%
12%
12%
8%
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
Today
Tomorrow

Daylight Hours

05:28

Sunrise

17:26

Sunset

11 hours 58 minutes of sunlight today

Moon

Waxing Gibbous

16:11

Moonrise

03:35

Moonset

Daily Forecast

Today

17°
24°

Friday

18°
23°

Saturday

16°
24°

Sunday

17°
24°

Monday

16°
23°

Tuesday

17°
23°

Wednesday

16°
21°

Thursday

17°
21°

Friday

18°
25°

Saturday

18°
21°

Air Quality Data Available

Upgrade to access real-time air quality data for Tres Ríos.

UV Index

Wear sunscreen
5 Moderate
Low Extreme

Humidity

79% Humid
Low High

Current stargazing conditions?

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

View stargazing score

Weather in Tres Ríos today, September 24, 2026

Rain features in Tres Ríos on September 24, 2026, so keep waterproofs handy through the day. The damp theme is strongest where shower chances rise. Early hours look the most unsettled, with rain probability near 100% by 10:00. The thickest cloud arrives around 11:00, reaching about 77%.

The temperature range runs from about 17°C up to 24°C. The air stays humid, with relative humidity between 76% and 99% and the peak around 18:00. A lighter breeze peaks around 12:00 near 1.4 km/h.

The second half of the day still looks unsettled, with rain probability around 100% by 12:00. Dense cloud near 94% at 18:00 keeps the feel grey. Horizontal visibility sits around 12.6 km, briefly nearer 1.2 km. Sunrise is at 05:28 and sunset at 17:26, giving 11 hours 58 minutes of sunlight today.

Overall, Tres Ríos on September 24, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 24°C.

Frequently asked questions about weather in Tres Ríos

How warm does it get in Tres Ríos?

The warmest month in Tres Ríos is May, with average high temperatures of 23°C. The average temperature during this period is around 19°C.

How cold does it get in Tres Ríos?

The coldest month in Tres Ríos is February, with average low temperatures of 14°C. The average temperature during this period is around 18°C.

What is the wettest time of year in Tres Ríos?

The wettest month in Tres Ríos is October, with an average of 513mm of precipitation.

What is the driest time of year in Tres Ríos?

The driest month in Tres Ríos is March, with an average of 52mm of precipitation.

View full climate insights for Tres Ríos →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)