Castlebay, GB Weather Forecast - Airpult Castlebay ========= Western Isles, Scotland, [United Kingdom](https://airpult.com/climate/gb) [View stargazing score](https://airpult.com/stargazing/gb/castlebay/wyu0v5tysozg2byorqk5f)[View climate insights](https://airpult.com/climate/gb/castlebay/wyu0v5tysozg2byorqk5f)[View historical weather data](https://airpult.com/history/gb/castlebay/wyu0v5tysozg2byorqk5f) Current Weather --------------- 15° (58°) Drizzle and Windy Feels Like: 14° (57°) Min: 10° (49°) Max: 15° (58°) The next few hours will be overcast, with tomorrow reaching 10°C and dropping to 9°C. The coming days will be drizzle Hourly Forecast --------------- | Time | Temperature | Rain chance | | --- | --- | --- | | 7pm | 15°C (58°F) | 96% | | 8pm | 15°C (58°F) | 96% | | 9pm | 14°C (58°F) | 96% | | 10pm | 14°C (57°F) | 100% | | 11pm | 14°C (56°F) | 100% | | 12am | 12°C (54°F) | 100% | | 1am | 12°C (54°F) | 72% | | 2am | 12°C (53°F) | 0% | | 3am | 11°C (52°F) | 0% | | 4am | 10°C (51°F) | 0% | | 5am | 10°C (50°F) | 100% | | 6am | 10°C (49°F) | 100% | | 7am | 10°C (49°F) | 100% | | 8am | 10°C (50°F) | 100% | | 9am | 10°C (50°F) | 100% | | 10am | 10°C (50°F) | 0% | | 11am | 10°C (50°F) | 78% | | 12pm | 10°C (50°F) | 78% | | 1pm | 10°C (51°F) | 80% | | 2pm | 10°C (50°F) | 0% | | 3pm | 10°C (49°F) | 80% | | 4pm | 10°C (50°F) | 0% | | 5pm | 10°C (50°F) | 0% | | 6pm | 9°C (49°F) | 0% | Air Quality ----------- 33 Good Air quality is satisfactory, and air pollution poses little or no risk. GoodHazardous ### Pollen Levels Tree PollenLow Grass PollenLow Weed PollenLow Daylight Hours -------------- 07:39 Sunrise 16:47 Sunset 9 hours 7 minutes of sunlight today Moon ---- [Full Moon](https://airpult.com/astronomy/moon-phases) 16:24 Moonrise 08:11 Moonset Daily Forecast -------------- Today 10° (49°) 15° (58°) Tuesday 9° (49°) 12° (54°) Wednesday 11° (51°) 13° (55°) Thursday 12° (54°) 13° (56°) Friday 10° (50°) 13° (55°) Saturday 8° (47°) 11° (53°) Sunday 10° (51°) 12° (53°) Monday 11° (52°) 12° (53°) Tuesday 11° (52°) 11° (53°) Wednesday 11° (51°) 12° (53°) 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 -------- 88%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 Castlebay. [View stargazing score](https://airpult.com/stargazing/gb/castlebay/wyu0v5tysozg2byorqk5f) Weather in Castlebay tomorrow, October 27, 2026 ----------------------------------------------- Expect unsettled, showery conditions in Castlebay on October 27, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Early hours look the most unsettled, with rain probability near 100% by 00:00. The thickest cloud arrives around 00:00, reaching about 100%. (Expect unsettled, showery conditions in Castlebay on October 27, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Early hours look the most unsettled, with rain probability near 100% by 00:00. The thickest cloud arrives around 00:00, reaching about 100%.) The temperature range runs from about 9°C up to 12°C. Expect humidity between 68% and 82%, most humid near 00:00. Winds turn strong, with the highest speeds near 06:00 at about 75 km/h. (The temperature range runs from about 49°F up to 54°F. Expect humidity between 68% and 82%, most humid near 00:00. Winds turn strong, with the highest speeds near 06:00 at about 46 mph.) The second half of the day still looks unsettled, with rain probability around 80% by 13:00. Dense cloud near 97% at 12:00 keeps the feel grey. Horizontal visibility sits around 34.6 km, briefly nearer 31 km. Daylight runs from 07:42 to 16:44, lasting 9 hours 2 minutes of sunlight today. (The second half of the day still looks unsettled, with rain probability around 80% by 13:00. Dense cloud near 97% at 12:00 keeps the feel grey. Horizontal visibility sits around 21.5 mi, briefly nearer 19.3 mi. Daylight runs from 07:42 to 16:44, lasting 9 hours 2 minutes of sunlight today.) In short, treat October 27, 2026 in Castlebay as a damp day: pack covers, watch the wetter hours, and expect a high near 12°C. (In short, treat October 27, 2026 in Castlebay as a damp day: pack covers, watch the wetter hours, and expect a high near 54°F.) [Powered by Airpult](https://platform.airpult.com) Frequently asked questions about weather in Castlebay ----------------------------------------------------- ### How warm does it get in Castlebay? The warmest month in Castlebay is August, with average high temperatures of 15°C. The average temperature during this period is around 14°C. (The warmest month in Castlebay is August, with average high temperatures of 58°F. The average temperature during this period is around 57°F.) ### How cold does it get in Castlebay? The coldest month in Castlebay is February, with average low temperatures of 6°C. The average temperature during this period is around 7°C. (The coldest month in Castlebay is February, with average low temperatures of 43°F. The average temperature during this period is around 45°F.) ### What is the wettest time of year in Castlebay? The wettest month in Castlebay is October, with an average of 170 mm of precipitation. (The wettest month in Castlebay is October, with an average of 6.7 in of precipitation.) ### What is the driest time of year in Castlebay? The driest month in Castlebay is May, with an average of 66 mm of precipitation. (The driest month in Castlebay is May, with an average of 2.6 in of precipitation.) [View full climate insights for Castlebay →](https://airpult.com/climate/gb/castlebay/wyu0v5tysozg2byorqk5f)