Sheffield weather forecast: Overcast skies, 40% chance of rain on September 18, 2026

Sheffield is set for a day of overcast skies and moderate temperatures as September 18, 2026, unfolds. Residents can expect a generally mild day with a noticeable chance of rain, making it a good idea to be prepared for damp conditions. The day will begin with a cool start, gradually warming up to a comfortable afternoon high before cooling down again in the evening.The weather service indicates a daily chance of rain at 40%, suggesting that while not a washout, scattered showers are a distinct possibility throughout the day. The humidity levels are expected to be quite high, reaching an average of 91%, which may make the temperatures feel a bit more muggy.Sheffield Weather TodayToday, September 18, 2026, Sheffield will experience overcast conditions with a maximum temperature of 16°C and a minimum temperature of 13°C. The average temperature for the day is predicted to be 14.5°C. Winds are expected to be brisk, with a maximum speed of 49.89 kph, potentially adding a chill to the air despite the mild temperatures. There is a 40% chance of rain, and while no specific precipitation amount is listed, the overcast skies and humidity suggest that any rain could be persistent.The day's weather pattern points towards a consistent, albeit cloudy, experience. Sunrise is scheduled for 06:46 and sunset for 19:15, providing a standard daylight period. The high humidity combined with the overcast conditions means that outdoor activities might feel less invigorating than on a sunnier day.Prepare for a Damp and Overcast DayGiven the overcast skies and a 40% chance of rain, carrying an umbrella or wearing waterproof outerwear is advisable for anyone venturing out in Sheffield today. The high humidity of 91% means that even with moderate temperatures, the air might feel damp and close. While the maximum temperature is forecast at 16°C, the wind speeds of up to 49.89 kph could make it feel cooler, especially if exposed to the elements.Residents planning outdoor activities should be prepared for the possibility of light to moderate rain showers. The consistent cloud cover suggests that sunny spells are unlikely, so dressing in layers would be a practical approach to manage comfort throughout the day. The evening will see temperatures drop to a minimum of 13°C, so a light jacket or sweater would be suitable for cooler outdoor conditions after sunset.Sheffield Weather for Upcoming 7 DaysLooking ahead, Sheffield can anticipate a mixed bag of weather over the next week, with a general trend of sunny intervals interspersed with cloudy periods. Following today's overcast conditions, the forecast for September 19 suggests a shift towards more pleasant weather with sunny intervals and a higher maximum temperature of 19°C, while the minimum drops to 10°C. This trend of sunny intervals continues through September 20 and 21, with maximum temperatures reaching up to 16°C and 20°C respectively, and minimums around 11°C.The latter part of the week sees a return to more variable conditions. September 22 is predicted to have sunny intervals with a maximum of 19°C and a minimum of 10°C. By September 23, the weather is expected to cool down slightly with sunny intervals, a maximum of 16°C, and a minimum of 8°C. The week concludes with cloudy conditions on September 24, featuring a maximum temperature of 16°C and a minimum of 11°C.DateMax Temp (C)Min Temp (C)Avg Temp (C)Condition2026-09-18161314.5Overcast2026-09-19191014.5Sunny intervals2026-09-20161113.5Sunny intervals2026-09-21201115.5Sunny intervals2026-09-22191014.5Sunny intervals2026-09-2316812.0Sunny intervals2026-09-24161113.5CloudyOverall, the coming days in Sheffield offer a mix of weather, with a brief period of sunnier intervals mid-week before returning to more mixed conditions.Source: Data referenced in this article is taken from the latest World News and Live updates. Download the TOI app.