See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
10°
Overcast
Feels Like: 11°
Min: 10°
Max: 25°
The next few hours will be overcast, with today reaching 25°C and dropping to 20°C. The coming days will be mostly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:02
Sunrise
19:18
Sunset
Moon
Waxing Crescent
12:00
Moonrise
20:44
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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UV Index
Humidity
Weather in Grand Island today, September 15, 2026
Grand Island looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The first half of the day looks overcast, as cloud amounts reach about 100% around 06:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 10°C up to 25°C. Expect humidity between 37% and 87%, most humid near 06:00. Expect gentle winds, highest near 16:00 at 6.4 km/h.
Afternoon skies stay clogged, peaking close to 100% near 15:00. The grey theme continues rather than clearing out. Views remain open at about 16.1 km. Expect sunrise at 07:02, sunset at 19:18, and 12 hours 16 minutes of sunlight today overall.
The practical takeaway for Grand Island on September 15, 2026 is a cloudy day that stays usable, just not particularly bright, around 25°C.
Frequently asked questions about weather in Grand Island
How warm does it get in Grand Island?
The warmest month in Grand Island is July, with average high temperatures of 26°C. The average temperature during this period is around 23°C.
How cold does it get in Grand Island?
The coldest month in Grand Island is January, with average low temperatures of -4°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Grand Island?
The wettest month in Grand Island is April, with an average of 108mm of precipitation.
What is the driest time of year in Grand Island?
The driest month in Grand Island is September, with an average of 68mm of precipitation.
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