San Juan weather today LIVE
Sunday, 25 October 2026
High UV — SPF 30+, a hat and shade around midday.
Is it sunny at San Juan today?
Today at San Juan the sky is Cloudy, with around 28°C in the air and a sea temperature of 25°C — check the 3-day forecast below for sunnier days.
The sun is 38 km away
These beaches have clear skies right now:
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Poris
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La Hornilla - Los Guanches
Photo: Axel Cotón Gutiérrez · CC BY-SA 4.0 · rene boulay · CC BY-SA 3.0
San Juan sea temperature today
The sea at San Juan is 25°C today, according to AEMET's official beach forecast.
3-day forecast
San Juan: extended outlook
| Day | Sky | High / low | Rain mm | Wind km/h |
|---|---|---|---|---|
| We 28 |  Mostly sunny |
26°22° | 0.3 | 10 |
| Th 29 | Sunny |
25°20° | — | 8 |
| Fr 30 | Partly cloudy |
24°20° | 0.3 | 9 |
| Sa 31 | Partly cloudy |
24°19° | — | 11 |
| Su 1 | Cloudy |
24°20° | — | 8 |
| Mo 2 | Partly cloudy |
24°20° | 0.6 | 10 |
| Longer-range trend (ECMWF): less certain than the days above | ||||
| Tu 3 | Sunny |
24°20° | — | — |
| We 4 | Partly cloudy |
22°18° | — | — |
| Th 5 | Sunny |
23°20° | — | — |
| Fr 6 | Cloudy |
24°21° | — | — |
| Sa 7 | Cloudy |
25°21° | — | — |
Forecast data: MET Norway (Norwegian Meteorological Institute), CC BY 4.0, aggregated into local days by CanaryForecast. (api.met.no) · Updated today at 08:18 · Days after the MET Norway range: ECMWF open data (CC BY 4.0).
Sea conditions (open water)
Sea data generated using E.U. Copernicus Marine Service information (IBI model).
Weather history at San Juan — recorded daily
Over the last 14 days at San Juan, according to AEMET's daily forecasts: the sea averaged 25.5°C, 14% of mornings were sunny, and daytime highs reached up to 29°C.
Show the daily values
| Day | Air max | Sea | UV |
|---|---|---|---|
| 25 Oct | 28°C | 25°C | 6 |
| 24 Oct | 27°C | 25°C | 6 |
| 23 Oct | 26°C | 25°C | 6 |
| 22 Oct | 25°C | 26°C | 6 |
| 21 Oct | 26°C | 26°C | 6 |
| 20 Oct | 25°C | 26°C | 6 |
| 19 Oct | 24°C | 26°C | 6 |
| 18 Oct | 25°C | 24°C | 7 |
| 17 Oct | 27°C | 25°C | 7 |
| 16 Oct | 28°C | 26°C | 6 |
| 15 Oct | 29°C | 26°C | 7 |
| 14 Oct | 28°C | 25°C | 7 |
| 13 Oct | 26°C | 26°C | 7 |
| 12 Oct | 25°C | 26°C | 7 |
| 11 Oct | 25°C | 26°C | 7 |
| 10 Oct | 26°C | 24°C | 7 |
| 9 Oct | 25°C | 25°C | 6 |
| 8 Oct | 25°C | 26°C | 6 |
| 7 Oct | 25°C | 26°C | 7 |
| 6 Oct | 27°C | 26°C | 7 |
| 5 Oct | 29°C | 26°C | 7 |
| 4 Oct | 29°C | 25°C | 7 |
| 3 Oct | 28°C | 26°C | 8 |
| 2 Oct | 27°C | 26°C | 8 |
| 1 Oct | 27°C | 26°C | 8 |
| 30 Sep | 28°C | 26°C | 8 |
| 29 Sep | 28°C | 26°C | 8 |
| 28 Sep | 28°C | 26°C | 8 |
| 27 Sep | 29°C | 26°C | 8 |
| 26 Sep | 31°C | 25°C | 8 |
Since 10 June 2026: a clear morning on 97 out of 135 days, rank 32 of 80 beaches. Beach rankings →
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Data source: AEMET © Agencia Estatal de Meteorología · Updated today at 05:51 · checked 25 min ago · Daily and hourly forecasts: MET Norway (CC BY 4.0), aggregated by CanaryForecast