Grand Island, NY Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Island, NY in one place.
Showers and thunderstorms before 5pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southwest wind around 13 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
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: Jun 8, 2026 5:15 PM EDT.
The active forecast window currently covers Jun 10 to Jun 14, 2026 for Grand Island, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 5:15 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Island
Thursday looks like the warmest upcoming period in Grand Island at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday at about 9 to 14 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 5:15 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
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southwest wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind 9 to 13 mph. Chance of precipitation is 70%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southwest wind 6 to 9 mph.
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunny, with a high near 79.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 60.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Showers And Thunderstorms
|
80°F |
13 mph
SW
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms
|
64°F |
6 to 10 mph
SW
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
84°F |
9 to 13 mph
SW
|
|
Thursday Night
Jun 11
|
Slight Chance Showers And Thunderstorms
|
66°F |
6 to 9 mph
SW
|
|
Friday
Jun 12
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
82°F |
9 to 14 mph
SW
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms then Partly Cloudy
|
60°F |
5 to 10 mph
SW
|
|
Saturday
Jun 13
|
Sunny
|
79°F |
5 to 13 mph
SW
|
|
Saturday Night
Jun 13
|
Partly Cloudy then Slight Chance Rain Showers
|
60°F |
6 to 10 mph
SW
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
77°F |
6 to 9 mph
SW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
56°F |
3 to 7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Island.
