The temperatures in Dorchester in October are quite cold with temperatures between 8°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Dorchester during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Dorchester in October 2025.
If you’re planning to visit Dorchester in the near future, we highly recommend that you review the 14 day weather forecast for Dorchester before you arrive.
Temperatures
14° / 8°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
78
mm
Sun Hours
7.7
Hrs
