Weather forecast for this week in Dorchester - 21 Sep to 27 Sep
By Mr.Data 21st Sep 2026
Weather Forecast for Dorchester: A Week of Mild Conditions and Low Precipitation
This coming week in Dorchester will feature relatively mild weather conditions, with partly cloudy skies dominating each day. While temperatures will hover around a moderate range, there will be a slight increase in wind speeds mid-week, and a noticeable humidity level throughout the week. Overall, precipitation seems unlikely, though minor chances cannot be completely ruled out toward the end of the week. This forecast provides a stark contrast to last week's mixed weather, where sporadic rain and cooler temperatures were more prevalent.
Monday: Expect partly cloudy conditions with a comfortable maximum temperature of 20°C and a minimum of 9°C. With a higher humidity of 83% and zero chance of precipitation, the weather will be relatively stable. A light breeze will persist with an average wind speed of 11mph.
Tuesday: Another partly cloudy day with temperatures ranging between 20°C and 14°C. Humidity increases to 87%, maintaining the dry streak with no expected precipitation. Wind continues at 11mph.
Wednesday: The day stays partly cloudy as temperatures rise slightly to 21°C and dip to 12°C at night. Humidity drops to 79%, and there's a minor 7% chance of precipitation. Winds pick up speed, reaching up to 23mph, potentially making it the breeziest day of the week.
Thursday: Partly cloudy weather continues with a maximum temperature of 18°C and a minimum of 10°C. Relative humidity sits at 81%, and the chance of precipitation remains at 0%. Wind speed decreases to 17mph.
Friday: Look for partly cloudy skies with temperatures between 19°C and 12°C. Humidity is somewhat high at 85%, with a 7% chance of precipitation. Winds will blow at 17mph.
Saturday: The weather remains partly cloudy, with highs of 18°C and lows of 12°C. Humidity is at 80% with a slight precipitation chance of 7%, and wind speeds increase to 18mph.
Sunday: Expect more partly cloudy conditions and a maximum temperature of 18°C with a higher low of 13°C. Humidity peaks this week at 90%, and the chance of rain rises to 26%. Winds will speed up to 21mph, contributing to a cooler feel.
Commuting Advice: With no significant rain expected, commuting should be relatively smooth. Motorists should watch for increased wind speeds mid-week, particularly on Wednesday. The visibility and road conditions should remain optimal for most days.
Advice for Weekend Plans: Outdoor activities over the weekend seem favourable with little rain expected, though be prepared for somewhat windy conditions. If planning for a Sunday outing, a slight chance of rain suggests bringing along an umbrella just in case. The temperatures should be enjoyable, allowing for a comfortable outdoor experience.
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