Grand Island, NY Weather Forecast
Erie County, New York
Live radar, warnings and storm tracking for Grand Island, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Grand Island
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Grand Island, NY at a glance
Grand Island is home to about 21,445 people in Erie County, across 28 square miles. It ranks 92nd by population of 593 places in New York with a forecast here. The nearest neighbour with its own forecast is Tonawanda, 4 miles away.
- County
- Erie County
- Population
- 21,445 2023 est.
- Land area
- 28 sq mi
- People per sq mi
- 758
- Forecast point
- 43.0179°N, 78.9627°W
How well can the network see Grand Island?
The nearest Doppler radar is KBUF (Buffalo, NY), to the ESE. Its lowest scan passes about 650 ft above Grand Island. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Grand Island show up clearly. Grand Island is closer to its radar than 93% of US cities.
The closest weather station is KIAG (Niagara Falls Intl). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Grand Island
- Tonawanda, NY4 mi
- North Tonawanda, NY5 mi
- Niagara Falls, NY6 mi
- Kenmore, NY6 mi
- Wheatfield, NY7 mi
- Niagara, NY7 mi
- Buffalo, NY10 mi
- Amherst, NY10 mi
Elsewhere in New York
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