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Hourly Forecast
Daylight Hours
06:58
Sunrise
19:24
Sunset
Moon
Waxing Crescent
12:44
Moonrise
20:07
Moonset
Daily Forecast
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Weather in Newton Mearns today, September 15, 2026
Newton Mearns starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds.
Expect highs of 17°C and cooler readings close to 11°C. The air stays humid, with relative humidity between 81% and 96% and the peak around 23:00. Winds stay light, near 7.1 km/h by 14:00, so the day feels still more than breezy.
Afternoon showers stay in play, peaking near 100% around 13:00. Skies remain cluttered, with cover about 100% by 13:00. Horizontal visibility sits around 21.9 km, briefly nearer 2.4 km. The sun rises at 06:58 and sets at 19:24, for a total of 12 hours 26 minutes of sunlight today.
Taken together, Newton Mearns looks wet enough on September 15, 2026 that flexible outdoor plans work best, with temperatures peaking near 17°C.
Frequently asked questions about weather in Newton Mearns
How warm does it get in Newton Mearns?
The warmest month in Newton Mearns 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 Newton Mearns?
The coldest month in Newton Mearns 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 Newton Mearns?
The wettest month in Newton Mearns is October, with an average of 122mm of precipitation.
What is the driest time of year in Newton Mearns?
The driest month in Newton Mearns is April, with an average of 62mm of precipitation.
