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Hourly Forecast
Daylight Hours
06:58
Sunrise
19:19
Sunset
Moon
Waxing Crescent
14:06
Moonrise
20:22
Moonset
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Weather in Grangemouth today, September 16, 2026
Expect unsettled, showery conditions in Grangemouth on September 16, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Cloud leads the morning, peaking close to 75% near 11:00. Sunshine has little room until later in the day.
Expect highs of 17°C and cooler readings close to 11°C. Moisture in the air spans 61%-89%, with the highest values around 08:00. Airflow remains manageable, reaching about 6.5 km/h around 23:00.
Through the afternoon wet weather remains a factor, with rain chances near 100% around 23:00. Cloud also stays substantial, close to 100% near 13:00. Visibility holds near 32.2 km, though it can fall to 21.2 km. Expect sunrise at 06:58, sunset at 19:19, and 12 hours 21 minutes of sunlight today overall.
In short, treat September 16, 2026 in Grangemouth as a damp day: pack covers, watch the wetter hours, and expect a high near 17°C.
Frequently asked questions about weather in Grangemouth
How warm does it get in Grangemouth?
The warmest month in Grangemouth is July, with average high temperatures of 19°C. The average temperature during this period is around 15°C.
How cold does it get in Grangemouth?
The coldest month in Grangemouth 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 Grangemouth?
The wettest month in Grangemouth is October, with an average of 104mm of precipitation.
What is the driest time of year in Grangemouth?
The driest month in Grangemouth is April, with an average of 53mm of precipitation.
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