Sunny and cloud-sparse weather predicted for Rio das Ostras on Saturday (21st)

Forecast for Rio das Ostras: Saturday (21) and Beyond

Brace yourself, Rio das Ostras residents! This Saturday (21) is shaping up to be a mixed bag weather-wise. According to the National Institute of Meteorology (INMET), the day will start cool and bright, with temperatures hovering around 19°C. As the day progresses, the mercury will surge, peaking at a toasty 33°C in the afternoon. Nighttime temperatures should remain steady at 19°C.

Expect some cloud cover interspersed with sunny spells throughout the day. Relative humidity will vary, reaching a high of 80% in the morning before dipping to a low of 20% in the drier afternoons. Winds will be light and blowing from the northwest to the north. Sunrise and sunset times are respectively 06:27 and 17:13.

Looking ahead to the rest of the week:

Sunday: Cloudy skies and a range of temperatures from 19°C to 31°C.
Monday (23/06/2025): 19°C to 33°C, with scattered clouds and a chance of fog or humid mist.
Tuesday (24/06/2025): 13°C to 20°C, under many clouds.
Wednesday (25/06/2025): 13°C to 21°C, under clear skies.

Keep an eye out for potential drizzle in the coming days, as neighboring Cabo Frio might experience similar weather patterns, with temperatures around 27°C (81°F) and some drizzle, along with decreasing winds[4]. Tidal information is also worth noting, with high tide around 3:27 AM and 4:34 PM, and low tide approximately 10:29 AM and 11:08 PM[2].

Stay tuned for more updates from the weather experts at INMET and stay weather-ready!

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[1] Weather forecast provided by the National Institute of Meteorology (INMET).[2] The detailed weather forecast for Rio das Ostras for the next few days provided by INMET indicates a temperature range of 72°F (current) to 88°F (June 20, 2025 high) and 65°F (June 20, 2025 low) to 63°F (June 22, 2025 low). Day length is approximately 11 hours and 16 minutes, with gradually shortening daylight[2]. Weather conditions may include some drizzle, which may continue for the next 1-3 days[2][4].[3] Additional tidal information relevant to coastal activities shows high tide times around 3:27 AM and 4:34 PM, with low tides occurring around 10:29 AM and 11:08 PM[2].[4] The weather conditions for nearby Cabo Frio, which may provide an indication of similar patterns for Rio das Ostras in the coming days, are forecasted to be warm temperatures around 27°C (about 81°F) with some drizzle and decreasing winds[4].

Brace yourself as the weather-forecasting experts at INMET predict a mixed bag weather for Rio das Ostras on Saturday (21). Moreover, keeping an eye on the weather updates is crucial as the rest of the week will bring a range of temperatures and potential drizzle, with similar weather patterns potentially impacting neighboring Cabo Frio.