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 79. Southwest wind 3 to 7 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: May 24, 2026 1:27 PM EDT.
The active forecast window currently covers May 26 to May 30, 2026 for Grand Island, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 26 to May 30, 2026
- Latest sync
- May 24, 2026 1:27 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Island
Wednesday looks like the warmest upcoming period in Grand Island at 80 degrees F.
Friday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Friday at about 6 to 9 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 1:27 PM EDT
- Coverage
- 5 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
Mostly cloudy, with a low around 60. Southwest wind around 6 mph.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 80. Southwest wind around 6 mph.
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 54. Northwest wind around 5 mph.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 49.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 26
|
Mostly Sunny
|
79°F |
3 to 7 mph
SW
|
|
Tuesday Night
May 26
|
Mostly Cloudy
|
60°F |
6 mph
SW
|
|
Wednesday
May 27
|
Partly Sunny then Slight Chance Rain Showers
|
80°F |
6 mph
SW
|
|
Wednesday Night
May 27
|
Slight Chance Rain Showers then Mostly Cloudy
|
54°F |
5 mph
NW
|
|
Thursday
May 28
|
Mostly Sunny
|
72°F |
7 mph
N
|
|
Thursday Night
May 28
|
Partly Cloudy
|
50°F |
6 mph
NW
|
|
Friday
May 29
|
Mostly Sunny
|
68°F |
6 to 9 mph
N
|
|
Friday Night
May 29
|
Partly Cloudy
|
49°F |
3 to 7 mph
N
|
|
Saturday
May 30
|
Mostly Sunny
|
68°F |
5 to 8 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
50°F |
2 to 7 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Island.
