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Hourly Forecast
Daylight Hours
07:02
Sunrise
19:23
Sunset
Moon
Waxing Crescent
14:10
Moonrise
20:26
Moonset
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Weather in Greenock today, September 16, 2026
Greenock starts September 16, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The first half of the day looks overcast, as cloud amounts reach about 100% around 11:00. Brighter weather, if it comes, waits until later.
Expect highs of 16°C and cooler readings close to 12°C. Expect humidity between 74% and 92%, most humid near 23:00. A lighter breeze peaks around 23:00 near 9.2 km/h.
Expect the wet theme to continue later, as rain odds reach 100% near 20:00. Cloud amounts hold near 100% around 13:00. Visibility holds near 24.2 km, though it can fall to 6.7 km. Sunrise is at 07:02 and sunset at 19:23, giving 12 hours 21 minutes of sunlight today.
Overall, Greenock on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 100% and the high sits around 16°C.
Frequently asked questions about weather in Greenock
How warm does it get in Greenock?
The warmest month in Greenock is July, with average high temperatures of 18°C. The average temperature during this period is around 15°C.
How cold does it get in Greenock?
The coldest month in Greenock is January, with average low temperatures of 2°C. The average temperature during this period is around 4°C.
What is the wettest time of year in Greenock?
The wettest month in Greenock is October, with an average of 188mm of precipitation.
What is the driest time of year in Greenock?
The driest month in Greenock is April, with an average of 80mm of precipitation.
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