See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
14°
Partly Cloudy
Feels Like: 14°
Min: 13°
Max: 16°
The next few hours will be mostly cloudy, with today reaching 15°C and dropping to 12°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:00
Sunrise
19:26
Sunset
Moon
Waxing Crescent
12:47
Moonrise
20:07
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
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UV Index
Humidity
Weather in Helensburgh tomorrow, September 16, 2026
Expect unsettled, showery conditions in Helensburgh on September 16, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor 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.
The day peaks near 15°C and cools toward 12°C. The air stays humid, with relative humidity between 73% and 87% and the peak around 07:00. Winds stay light, near 6.8 km/h by 14:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 12:00. Outdoor plans may still want a flexible backup. Expect visibility near 31.6 km, with poorer spells close to 28.4 km. Sunrise is at 07:02 and sunset at 19:23, giving 12 hours 21 minutes of sunlight today.
Overall, Helensburgh on September 16, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 10% and the high sits around 15°C.
Frequently asked questions about weather in Helensburgh
How warm does it get in Helensburgh?
The warmest month in Helensburgh 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 Helensburgh?
The coldest month in Helensburgh 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 Helensburgh?
The wettest month in Helensburgh is October, with an average of 188mm of precipitation.
What is the driest time of year in Helensburgh?
The driest month in Helensburgh is April, with an average of 80mm of precipitation.
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