The weather forecast in New York this Saturday, June 21st, experiences high temperatures that will reach 31°C, at the beginning of a heat wave that could extend for several days. Authorities maintain an active alert for extreme thermal conditions, recommending the population to take precautionary measures. Here is the hourly forecast for today, Saturday, June 21, 2025, in New York (New York City):
- Morning and midday: Partly sunny start, with temperatures increasing from 24 °C (76 °F) to 30 °C (86 °F) around midday.
- Afternoon: Intense sun combined with humidity will remain. The temperature will reach a maximum of 31 °C (88 °F), with a high thermal sensation.
- Night: The atmosphere softens slightly, with temperatures dropping to around 25 °C (78 °F) towards midnight.
Extreme heat context and alerts
The city is facing a growing heat wave, with an active Extreme Heat Watch in effect over the weekend, as it is expected to reach an Excessive Heat Warning.- This phenomenon is part of a “heat dome” affecting some 170 – 220 million people in the central and eastern US.
- Potential maximum temperatures of 38 °C (100 °F) are anticipated on Monday/Tuesday, with nighttime lows not dropping below 26 °C (80 °F), with no significant nighttime relief.
Key Recommendations
| Medida | Comentario |
|---|---|
| Hidratación constante | Bebe agua frecuentemente, incluso sin sed. |
| Evitar exposición solar | No salgas en las horas centrales del día; usa sombra y lleva protector. |
| Enfriarte en interiores | Busca lugares con aire acondicionado o centros de enfriamiento (calla 311 para ubicarlos). |
| Cuidar a los vulnerables | Atenta a niños, ancianos y mascotas, que pueden sufrir golpes de calor. |
| Descanso adecuado | Mantente en entornos frescos durante la noche; ventilación o acondicionamiento es fundamental. |
New York, NY, United States
 10 a.m. | 26° | Mayormente soleado |
| 11 a.m. | 28° | Mayormente soleado |
| 12 p.m. | 30° | Mayormente soleado |
| 1 p.m. | 30° | Parcialmente soleado |
| 2 p.m. | 30° | Parcialmente soleado |
| 3 p.m. | 31° | Parcialmente soleado |
| 4 p.m. | 30° | Parcialmente soleado |
| 5 p.m. | 30° | Parcialmente soleado |
| 6 p.m. | 29° | Parcialmente soleado |
| 7 p.m. | 28° | Parcialmente soleado |
| 8 p.m. | 27° | Parcialmente soleado |
 9 p.m. | 27° | Parcialmente nublado |
| 10 p.m. | 26° | Mayormente despejado |
| 11 p.m. | 25° | Mayormente despejado |
