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Hourly Forecast
Daylight Hours
06:46
Sunrise
19:04
Sunset
Moon
Waxing Crescent
13:20
Moonrise
20:41
Moonset
Daily Forecast
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Weather in Watford today, September 16, 2026
Cloud cover dominates in Watford on September 16, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. Cloud leads the morning, peaking close to 82% near 10:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 12°C toward a daytime high of about 19°C. Relative humidity sits between 52% and 92%, reaching its peak around 03:00. Airflow remains manageable, reaching about 4.8 km/h around 10:00.
Through the afternoon cloud remains the main feature, with cover near 100% around 17:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 31.9 km, briefly nearer 17.7 km. Daylight runs from 06:46 to 19:04, lasting 12 hours 18 minutes of sunlight today.
The practical takeaway for Watford on September 16, 2026 is a cloudy day that stays usable, just not particularly bright, around 19°C.
Frequently asked questions about weather in Watford
How warm does it get in Watford?
The warmest month in Watford is July, with average high temperatures of 22°C. The average temperature during this period is around 18°C.
How cold does it get in Watford?
The coldest month in Watford is January, with average low temperatures of 2°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Watford?
The wettest month in Watford is October, with an average of 77mm of precipitation.
What is the driest time of year in Watford?
The driest month in Watford is April, with an average of 43mm of precipitation.
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