Puerto Vallarta, Jalisco, August 15, 2026 – Puerto Vallarta began Saturday with sunshine and humid heat. At 8:19 a.m., the local weather reading was 29°C (84°F), with a heat index of 34°C (93°F). Southeast wind was 8 km/h (5 mph), with gusts near 20 km/h (12 mph).
The temperature is forecast to reach about 35°C (95°F) during the afternoon before falling to approximately 27°C (80°F) overnight. Humidity could push the perceived temperature above 40°C (104°F) during the hottest hours.
Most of the morning and early afternoon should remain dry. The local rain chance begins to rise late in the day, with the main window for scattered showers or thunderstorms developing after about 5:00 p.m.
Rain and thunderstorm timing
The hourly Puerto Vallarta forecast places the rain chance near 50% around 5:00 p.m., followed by another possible shower period late Saturday night and after midnight. Rain will likely be uneven across the bay, and some neighborhoods may remain dry while others receive a short downpour.
The 6:00 a.m. national forecast places western Jalisco within a broader zone where localized rainfall totals could reach 50 to 75 millimeters, or roughly 2 to 3 inches. That regional forecast does not mean Puerto Vallarta will receive that amount at every location.
Where heavier storms form, lightning, reduced visibility, brief strong wind, and street flooding are possible. Drivers should allow extra time after sunset and avoid entering water-covered streets.
Wind and elevated surf
Winds across Jalisco are forecast at 10 to 20 km/h (6 to 12 mph), with possible storm-related gusts of 30 to 50 km/h (19 to 31 mph).
The same official forecast calls for long-period swell producing waves of 1.5 to 2.5 meters, or about 5 to 8 feet, along the Jalisco coast. Beach conditions can vary by location. Swimmers should follow posted flags and lifeguard instructions, while anyone planning a boat trip should confirm conditions before departure.
Planning Saturday around the heat
Morning hours offer the best window for errands, exercise and outdoor plans. Limit prolonged sun exposure during the afternoon, drink water regularly and allow breaks in shaded or air-conditioned areas.
Carry rain protection if staying out into the evening. Forecasts, beach flags and road conditions can change quickly when thunderstorms develop over the mountains or the bay.
