French Island Weather Forecast
- 14
- 21
Sunny
- 14
- 25
Shower or two. Windy
- 10
- 14
Possible early shower
- 8
- 15
Mostly sunny
- 8
- 16
Mostly sunny
- 10
- 20
Partly cloudy
- 14
- 22
Partly cloudy
Today 19 Sep Central
Sunny. Winds north to northwesterly 25 to 40 km/h tending west to northwesterly 25 to 35 km/h in the middle of the day then tending north to northwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures 20 to 25.
French Island Temperature Statistics View More
September Temperature
Rhyll (13km)
Lowest 18 September, 2026
7.2 °CAverage September
13 °CHighest 13 September, 2026
22.5 °C
Climate (2021–2026)
Rhyll (13km)
Average Low 2021–2026
12.2 °CAverage 2021–2026
15.2 °CAverage High 2021–2026
19.4 °C