Weather Unión, Guanacaste long-term weather forecast
Long-term weather forecast for Unión, Guanacaste for ten days.
Friday, Jun 19
75 / 70°F
| 0.01 in | 7 mph |
| 70 °F | 75 °F | 12 am | |
| 70 °F | 77 °F | 6 am | |
| 75 °F | 84 °F | 12 pm | |
| 72 °F | 81 °F | 6 pm |
sunrise 5:19 am
sunset 6:05 pm
HOURLY
sunset 6:05 pm
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Weather forecast Unión, Guanacaste, Costa Rica extended forecast
| Time | State Temp. Feels like | Precip. | Wind | Pressure | Humidity | Dew | total |
Fog | Low |
Middle |
High |
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Friday 06/19/2026 |
|||||||||||||
| 12 AM
7 AM
| overcast | 70 °F 75 °F |
0.01 in | 10 fps 6 mph north-northeast |
29.9 in | 98 % | 68 °F | 97 % | 0% | 77% | 54% | 93% | |
| 6 AM
1 PM
| rain showers | 70 °F 75 °F |
0.11 in | 11 fps 7 mph north-northeast |
29.9 in | 97 % | 68 °F | 83 % | 0% | 82% | 4% | 0% | |
| 12 PM
7 PM
| rain | 75 °F 82 °F |
0.11 in | 10 fps 7 mph northeast |
29.9 in | 87 % | 72 °F | 96 % | 0% | 71% | 14% | 88% | |
| 6 PM
1 AM
| overcast | 72 °F 79 °F |
0.0 in | 2 fps 1 mph northeast |
29.9 in | 95 % | 70 °F | 99 % | 0% | 11% | 5% | 99% | |
Saturday 06/20/2026 |
|||||||||||||
| 12 AM
7 AM
| overcast | 70 °F 75 °F |
0.0 in | 10 fps 7 mph north-northeast |
29.9 in | 97 % | 68 °F | 99 % | 0% | 85% | 0% | 96% | |
| 6 AM
1 PM
| rain showers | 70 °F 75 °F |
0.14 in | 12 fps 8 mph north-northeast |
29.9 in | 95 % | 68 °F | 85 % | 0% | 80% | 16% | 15% | |
| 12 PM
7 PM
| rain | 73 °F 81 °F |
0.04 in | 14 fps 10 mph north-northeast |
29.9 in | 91 % | 70 °F | 92 % | 0% | 76% | 35% | 50% | |
| 6 PM
1 AM
| overcast | 72 °F 79 °F |
0.0 in | 2 fps 2 mph north-northeast |
29.9 in | 95 % | 70 °F | 98 % | 0% | 11% | 4% | 98% | |
Unión, Guanacaste, Costa Rica - information
State: Costa RicaGPS coordinates: 10.7167; -85.1951
Time zone: America / Costa Rica
time difference in hours with time in US is -8 hours
Altitude: 1958 ft
The administrative part:
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Weather Unión, Guanacaste, Costa Rica. Weather forecast Unión, Guanacaste.
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Data source
Weather forecast for Unión, Guanacaste is supplied by MET Norway Norwegian Meteorological Institute and the NRK.Feels like
To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.Weather with Meteobox for your website
Astronomical information Unión, Guanacaste
data are always in the local timeSun and light
June 19, 2026
| Sunrise: | Sunset: |
| 5:19 am | 6:05 pm |
| Noon: | Length of day: |
| 11:42 am | 12:45 |
| Start of civil twilight*: | End of civil twilight*: |
| 4:55 am | 6:28 pm |
| Start of nautical twilight*: | End of nautical twilight*: |
| 4:29 am | 6:55 pm |
| Start of astronomical twilight*: | End of astronomical twilight*: |
| 4:01 am | 7:22 pm |
| * What is Twilight? | |
Moon and moon phases
| Moonrise: | Moonset: |
| 06/19/2026 9:52 am | 06/19/2026 10:30 pm |
| Next new moon: | Next full moon: |
| 07/14/2026 | 06/30/2026 |
