Bristol weather forecast: Overcast skies, mild temperatures, and brisk winds on September 12, 2026

Bristol, September 12, 2026 – Residents of Bristol can expect a day of overcast skies and mild temperatures as the city navigates through the early autumn weather. The day begins with a comfortable warmth, though a chance of rain lingers, suggesting that outdoor plans might require a degree of flexibility.The prevailing weather pattern for Bristol today, September 12, 2026, is characterized by overcast conditions. Temperatures are expected to be pleasant, with a high of 19°C and a low of 17°C. The average temperature for the day is anticipated to be around 18.0°C. While the skies are predicted to be predominantly cloudy, the chance of precipitation remains low at 10%, indicating that significant rainfall is unlikely. However, the humidity levels are notably high, reaching 94%, which may contribute to a feeling of dampness in the air. Wind speeds are expected to be brisk, with a maximum of 51.5 kph, potentially making the air feel cooler than the thermometer suggests.Bristol Weather TodayToday, September 12, 2026, Bristol will experience a predominantly overcast sky. The maximum temperature is forecast to reach 19°C, while the minimum temperature will be around 17°C. The average temperature for the day is projected to be 18.0°C. There is a 10% chance of rain, so significant downpours are not anticipated. The air will be quite humid, with an average humidity of 94%. Wind gusts could reach up to 51.5 kph, adding a noticeable breeze throughout the day. The overall conditions suggest a mild but potentially damp day, with the overcast skies limiting sunshine.Prepare for a Mild, Overcast DayGiven the overcast conditions and the possibility of light rain, residents are advised to be prepared for a day where umbrellas might be useful, though not strictly essential given the low chance of precipitation. The high humidity means that the air might feel a bit close, even with the moderate temperatures. The brisk winds could make it feel cooler, so layering clothing might be a sensible approach for those venturing outdoors. It is a day that leans towards indoor activities or short excursions, rather than extended periods in the open air, especially if the wind picks up.Bristol Weather for Upcoming 7 DaysLooking ahead, Bristol can expect a mixed bag of weather over the next seven days. Following today's overcast conditions, the forecast indicates a shift towards more varied weather patterns. Tomorrow, September 13, is expected to bring light rain, with temperatures ranging from a high of 20°C to a low of 18°C. The overcast theme continues into September 14, with a high of 21°C and a low of 16°C. The latter half of the week shows a return to more pleasant conditions, with September 15 and 16 both forecast to have sunny intervals. Temperatures will gradually cool down towards the end of the week, with highs around 18°C and lows dropping to 15°C and 16°C respectively. Light showers are possible on September 17, before a return to cloudy skies on September 18.DateConditionMax Temp (°C)Min Temp (°C)Avg Temp (°C)2026-09-12Overcast191718.02026-09-13Light rain201819.02026-09-14Overcast211618.52026-09-15Sunny intervals191316.02026-09-16Sunny intervals181617.02026-09-17Light showers181516.52026-09-18Cloudy181617.0The week ahead in Bristol promises a dynamic shift from today's overcast skies, with a mix of rain and sunny intervals expected.Source: Data referenced in this article is taken from the latest World News and Live updates. Download the TOI app.