Blackhall, GB Weather Forecast - Airpult Blackhall ========= Hertfordshire, England, [United Kingdom](https://airpult.com/climate/gb) [View stargazing score](https://airpult.com/stargazing/gb/blackhall/aicrgze3nv36ch4nxc88a)[View climate insights](https://airpult.com/climate/gb/blackhall/aicrgze3nv36ch4nxc88a)[View historical weather data](https://airpult.com/history/gb/blackhall/aicrgze3nv36ch4nxc88a) Current Weather --------------- 15° (58°) Breezy and Mostly Cloudy Feels Like: 14° (58°) Min: 7° (44°) Max: 15° (59°) The next few hours will be overcast, with tomorrow reaching 15°C and dropping to 7°C. The coming days will be foggy until afternoon, returning overnight. Hourly Forecast --------------- | Time | Temperature | Rain chance | | --- | --- | --- | | 9pm | 15°C (58°F) | 0% | | 10pm | 15°C (58°F) | 0% | | 11pm | 15°C (59°F) | 0% | | 12am | 15°C (59°F) | 0% | | 1am | 15°C (59°F) | 0% | | 2am | 15°C (59°F) | 0% | | 3am | 15°C (59°F) | 0% | | 4am | 15°C (59°F) | 0% | | 5am | 15°C (60°F) | 0% | | 6am | 16°C (60°F) | 70% | | 7am | 15°C (59°F) | 100% | | 8am | 14°C (58°F) | 100% | | 9am | 14°C (57°F) | 100% | | 10am | 14°C (57°F) | 0% | | 11am | 14°C (57°F) | 0% | | 12pm | 14°C (58°F) | 0% | | 1pm | 14°C (57°F) | 0% | | 2pm | 14°C (56°F) | 0% | | 3pm | 13°C (56°F) | 0% | | 4pm | 12°C (54°F) | 0% | | 5pm | 11°C (52°F) | 0% | | 6pm | 10°C (50°F) | 0% | | 7pm | 9°C (49°F) | 0% | | 8pm | 9°C (48°F) | 0% | Air Quality ----------- 24 Good Air quality is satisfactory, and air pollution poses little or no risk. GoodHazardous ### Pollen Levels Tree PollenLow Grass PollenLow Weed PollenLow Daylight Hours -------------- 06:54 Sunrise 16:32 Sunset 9 hours 37 minutes of sunlight today Moon ---- [Full Moon](https://airpult.com/astronomy/moon-phases) 16:17 Moonrise 07:17 Moonset Daily Forecast -------------- Today 7° (44°) 15° (59°) Tuesday 8° (46°) 16° (60°) Wednesday 7° (45°) 14° (58°) Thursday 7° (45°) 13° (56°) Friday 9° (48°) 14° (58°) Saturday 6° (44°) 13° (55°) Sunday 6° (43°) 12° (54°) Monday 4° (38°) 10° (49°) Tuesday 3° (37°) 8° (47°) Wednesday 6° (42°) 10° (50°) Resources --------- [Ocean Currents Explained: How the Ocean Shapes Weather and Climate![Ocean Currents Explained: How the Ocean Shapes Weather and Climate](https://cdn.airpult.com/storage/mwm7r2fav9jzey9d9m9x.jpg)](https://airpult.com/resources/ocean-currents)[Rainbows Explained: Why They Form and Where to Look![Rainbows Explained: Why They Form and Where to Look](https://cdn.airpult.com/storage/0mpjzanljyy1bn930cya.png)](https://airpult.com/resources/rainbows)[How Weather Radar and Satellite Imagery Work![How Weather Radar and Satellite Imagery Work](https://cdn.airpult.com/storage/hnhdi2zur73osoon7n9y.png)](https://airpult.com/resources/radar-satellite) UV Index -------- No protection needed 0Low LowExtreme Humidity -------- 89%Humid LowHigh Looking at the night sky? ------------------------- See moon phases, eclipses, and seasons for this year. [View astronomy](https://airpult.com/astronomy) Current stargazing conditions? ------------------------------ See sky darkness, moon phase, and the best viewing window for Blackhall. [View stargazing score](https://airpult.com/stargazing/gb/blackhall/aicrgze3nv36ch4nxc88a) Weather in Blackhall tomorrow, October 27, 2026 ----------------------------------------------- Blackhall looks damp on October 27, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Early hours look the most unsettled, with rain probability near 100% by 07:00. The thickest cloud arrives around 04:00, reaching about 100%. (Blackhall looks damp on October 27, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Early hours look the most unsettled, with rain probability near 100% by 07:00. The thickest cloud arrives around 04:00, reaching about 100%.) Expect highs of 16°C and cooler readings close to 8°C. Relative humidity sits between 63% and 90%, reaching its peak around 00:00. Winds turn strong, with the highest speeds near 02:00 at about 34 km/h. (Expect highs of 60°F and cooler readings close to 46°F. Relative humidity sits between 63% and 90%, reaching its peak around 00:00. Winds turn strong, with the highest speeds near 02:00 at about 21 mph.) Through the afternoon the main story eases from the wetter morning, with rain odds nearer 0% after earlier peaks around 100%. Cloud remains in play near 58% around 13:00, but the heaviest damp risk should be behind you. Visibility stays generally good near 30.6 km on average, though it can drop toward 19.1 km in thicker cloud or showers. Expect sunrise at 06:56, sunset at 16:30, and 9 hours 33 minutes of sunlight today overall. (Through the afternoon the main story eases from the wetter morning, with rain odds nearer 0% after earlier peaks around 100%. Cloud remains in play near 58% around 13:00, but the heaviest damp risk should be behind you. Visibility stays generally good near 19 mi on average, though it can drop toward 11.8 mi in thicker cloud or showers. Expect sunrise at 06:56, sunset at 16:30, and 9 hours 33 minutes of sunlight today overall.) Taken together, Blackhall looks wet enough on October 27, 2026 that flexible outdoor plans work best, with temperatures peaking near 16°C. (Taken together, Blackhall looks wet enough on October 27, 2026 that flexible outdoor plans work best, with temperatures peaking near 60°F.) [Powered by Airpult](https://platform.airpult.com) Frequently asked questions about weather in Blackhall ----------------------------------------------------- ### How warm does it get in Blackhall? The warmest month in Blackhall is July, with average high temperatures of 23°C. The average temperature during this period is around 18°C. (The warmest month in Blackhall is July, with average high temperatures of 73°F. The average temperature during this period is around 65°F.) ### How cold does it get in Blackhall? The coldest month in Blackhall is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C. (The coldest month in Blackhall is January, with average low temperatures of 36°F. The average temperature during this period is around 40°F.) ### What is the wettest time of year in Blackhall? The wettest month in Blackhall is October, with an average of 71 mm of precipitation. (The wettest month in Blackhall is October, with an average of 2.8 in of precipitation.) ### What is the driest time of year in Blackhall? The driest month in Blackhall is April, with an average of 43 mm of precipitation. (The driest month in Blackhall is April, with an average of 1.7 in of precipitation.) 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