Grand Island, NY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Island, NY in one place.
Mostly sunny, with a high near 68. East wind 7 to 13 mph.
Local Weather Overview
This forecast page for Grand Island, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 22, 2026 11:26 AM EDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Grand Island, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 11:26 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Island
Sunday looks like the warmest upcoming period in Grand Island at 71 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Wednesday at about 7 to 13 mph E.
The forecast from Sep 23 through Sep 28 stays mostly dry.
Forecast Details
- Last updated
- Sep 22, 2026 11:26 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- BUF
- Radar station
- KBUF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 46. East wind 6 to 13 mph.
Sunny, with a high near 68. East wind 5 to 12 mph.
Mostly clear, with a low around 47. Northeast wind 2 to 10 mph.
Sunny, with a high near 68. Northeast wind 2 to 9 mph.
Mostly clear, with a low around 49. North wind around 7 mph.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 50.
Sunny, with a high near 71.
Mostly clear, with a low around 51.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Mostly Sunny
|
68°F |
7 to 13 mph
E
|
|
Wednesday Night
Sep 23
|
Partly Cloudy
|
46°F |
6 to 13 mph
E
|
|
Thursday
Sep 24
|
Sunny
|
68°F |
5 to 12 mph
E
|
|
Thursday Night
Sep 24
|
Mostly Clear
|
47°F |
2 to 10 mph
NE
|
|
Friday
Sep 25
|
Sunny
|
68°F |
2 to 9 mph
NE
|
|
Friday Night
Sep 25
|
Mostly Clear
|
49°F |
7 mph
N
|
|
Saturday
Sep 26
|
Mostly Sunny
|
70°F |
6 to 9 mph
N
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
50°F |
3 to 8 mph
N
|
|
Sunday
Sep 27
|
Sunny
|
71°F |
5 to 8 mph
N
|
|
Sunday Night
Sep 27
|
Mostly Clear
|
51°F |
1 to 5 mph
W
|
|
Monday
Sep 28
|
Mostly Sunny
|
71°F |
2 to 6 mph
NW
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
53°F |
2 to 6 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Island.
