Click on a day for an hourly weather forecast
The temperatures in Weymouth in October are usually low and can range between 11°C and 15°C.
You can expect rain for roughly half of the month of October in Weymouth. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Weymouth in October 2025.
If you’re planning to visit Weymouth in the near future, we highly recommend that you review the 14 day weather forecast for Weymouth before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 5° | 8 | 21 | 2 | 92 mm | Awful | Weymouth in January |
| February | 9° / 5° | 9 | 17 | 2 | 73 mm | Awful | Weymouth in February |
| March | 9° / 5° | 5 | 25 | 1 | 53 mm | Ok | Weymouth in March |
| April | 10° / 7° | 4 | 26 | 0 | 49 mm | Ok | Weymouth in April |
| May | 12° / 9° | 4 | 28 | 0 | 46 mm | Ok | Weymouth in May |
| June | 14° / 11° | 4 | 26 | 0 | 60 mm | Good | Weymouth in June |
| July | 16° / 13° | 3 | 28 | 0 | 53 mm | Good | Weymouth in July |
| August | 17° / 14° | 5 | 26 | 0 | 74 mm | Good | Weymouth in August |
| September | 17° / 13° | 4 | 26 | 0 | 55 mm | Good | Weymouth in September |
| October | 15° / 11° | 8 | 23 | 0 | 128 mm | Ok | Weymouth in October |
| November | 12° / 9° | 7 | 23 | 0 | 117 mm | Bad | Weymouth in November |
| December | 10° / 7° | 7 | 22 | 1 | 96 mm | Bad | Weymouth in December |