Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Poole area. Poole Weather Forecasts. Based on weather reports collected during 1985â2015. The temperatures are highest on average in July, at around 16.5 °C | 61.7 °F. In January, the average temperature is 4.4 °C | 39.9 °F. High Temp: 71 °F. Outlook for Thursday to Saturday. Poole (/ p uË l / ()) is a large coastal town and seaport in Dorset, on the south coast of England.The town is 21 miles (34 km) east of Dorchester and adjoins Bournemouth to the east. Annual Weather Averages Near Poole. Be prepared with the most accurate 10-day forecast for Poole, England with highs, lows, chance of precipitation from The Weather Channel and Weather.com 14-day weather forecast for BH12. Averages are for Bournemouth Airport, which is 8 miles from Poole. Since 1 April 2019, the local authority is Bournemouth, Christchurch and Poole Council which is a unitary authority.Poole had an estimated population of 151,500 (mid-2016 census estimates) â¦ Showing: All Year Climate & Weather Averages in Poole. Get the monthly weather forecast for Poole, Poole, United Kingdom, including daily high/low, historical averages, to help you plan ahead. A mainly dry start on Thursday but showery rain will push in from the south-west, heavy at times. Be prepared with the most accurate 10-day forecast for Poole, England, United Kingdom with highs, lows, chance of precipitation from The Weather Channel and Weather.com Poole Weather by month // weather averages Todayâs and tonightâs Poole, England, United Kingdom weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather.com Wet on Wednesday, as an area of heavy rain moves in from the south-west over the course of the day. Hourly weather forecast in Poole for the next 15 days: temperature, precipitation, wind, sun, cloud, rain, snow, humidity, pressure, fog, thunder. It is the lowest average temperature of the whole year. 5-day forecast for Poole; Wednesday 20 January Thursday 21 January Friday 22 January Saturday 23 January Sunday 24 January; min 10.0° / max 10.0° min 4.0° / max 8.0° Outlook for Wednesday to Friday. 14-day weather forecast for Hamworthy. Poole average temperature.