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Hourly Forecast
Daylight Hours
06:44
Sunrise
19:04
Sunset
Moon
Waxing Crescent
13:31
Moonrise
20:26
Moonset
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Weather in Grimsby today, September 16, 2026
Expect a muted, overcast feel in Grimsby on September 16, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a grey start, with morning cloud around 64% by 10:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 19°C and cooler readings close to 12°C. Relative humidity sits between 49% and 81%, reaching its peak around 09:00. A lighter breeze peaks around 18:00 near 5.7 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 17:00. Outdoor plans may still want a flexible backup. Expect visibility near 38.0 km, with poorer spells close to 28.6 km. The sun rises at 06:44 and sets at 19:04, for a total of 12 hours 19 minutes of sunlight today.
Taken together, overcast skies in Grimsby on September 16, 2026 favour indoor or covered options, with temperatures near 19°C.
Frequently asked questions about weather in Grimsby
How warm does it get in Grimsby?
The warmest month in Grimsby is July, with average high temperatures of 21°C. The average temperature during this period is around 17°C.
How cold does it get in Grimsby?
The coldest month in Grimsby 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 Grimsby?
The wettest month in Grimsby is July, with an average of 78mm of precipitation.
What is the driest time of year in Grimsby?
The driest month in Grimsby is April, with an average of 42mm of precipitation.
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