Weather forecast for this week in Dorchester - 28 Sep to 4 Oct
By Mr.Data 28th Sep 2026
Weather Forecast for Dorchester: Weekly Overview
The upcoming week in Dorchester presents a mix of partly cloudy conditions and intermittent rain showers. Temperatures will remain mild, with daily highs ranging from 17°C to 21°C and lows spanning from 8°C to 15°C. The week will experience varying humidity levels, peaking at 88%, and fluctuating precipitation chances. A particularly rainy period is expected mid-week, while the rest of the week remains mostly dry.
Monday: Monday will be partly cloudy with a maximum temperature of 18°C and a minimum of 8°C. Humidity is at 81%, and there’s a 42% chance of precipitation. Winds are expected to reach 13mph.
Tuesday: Expect cloudy skies with rain in the afternoon. The temperature will range from a high of 21°C to a low of 13°C, accompanied by high humidity levels at 88% and a significant 97% chance of rain. Winds will increase, blowing at 33mph.
Wednesday: Partly cloudy conditions will persist with continuous rain expected throughout the day. Temperatures will peak at 20°C and drop to 15°C, with an 84% humidity level and a certain 100% chance of rain. Winds will gust at 34mph.
Thursday: The day will be partly cloudy following early morning rain. Highs will reach 17°C, with lows at 13°C. Humidity will be slightly lower at 80%, with a 90% chance of rain, and winds slowing down to 23mph.
Friday: Partly cloudy conditions will return, with temperatures stabilising between 18°C and 13°C. Humidity is at 81%, with a minimal 13% chance of precipitation and winds blowing at 19mph.
Saturday: The weather will remain partly cloudy. Expect temperatures ranging from 18°C to 11°C and humidity at 87%. There is a low 16% chance of rain, with 13mph winds.
Sunday: Partly cloudy skies will continue, with a high of 19°C and a low of 12°C. Humidity is forecasted at 82%, and rainfall chances are minimal at 16%, with wind speeds of 15mph.
Comparison with Previous Period: Compared to the previous period, this week will see an increase in both rainfall and wind speeds, especially mid-week. Temperatures remain consistent, although there may be slightly higher humidity levels across several days.
Commuting Advice: Those commuting on Tuesday and Wednesday should prepare for significant rainfall and strong winds. Travelling during early morning on Thursday may also be influenced by rain. It is advisable to plan journeys accordingly, offering extra travel time to account for potential weather-related disruptions.
Advice for Weekend Plans: The weekend promises relatively stable weather, with partly cloudy skies making outdoor activities viable. Pack a light jacket for cooler temperatures, especially during early mornings and evenings, and consider plans that are flexible enough to accommodate occasional cloudy spells.
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