Bristol International Balloon Fiesta 2025: Hour-by-hour forecast for Saturday

The Bristol International Balloon Fiesta is here and many are looking forward to spending the weekend watching more than 100 hot air balloons take to the skies across six mass ascents, the first of which began today, Friday, 8 August, at 6am.

However, as those who have attended before will know, whether the five remaining scheduled mass ascents take place, is dependent on the weather .

In recent years, the Fiesta has seen everything from scorching hot sunshine, to wet and windy days, and both of these extremes can mean thousands of attendees are left disappointed as the balloons cannot fly.

As the Bristol Balloon Fiesta team explains, specific conditions are needed: "Hot air balloons need specific weather

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