Saint Bonaventure, NY Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Bonaventure, NY in one place.
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 76. South wind 3 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Saint Bonaventure, 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: Apr 16, 2026 3:57 AM EDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Saint Bonaventure, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 3:57 AM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Bonaventure
Saturday looks like the warmest upcoming period in Saint Bonaventure at 76 degrees F.
Sunday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Saturday at about 3 to 15 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 3:57 AM 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
Showers and thunderstorms likely. Mostly cloudy, with a low around 37. Southwest wind 8 to 14 mph. Chance of precipitation is 70%.
A chance of rain showers before 2pm, then a chance of snow showers. Mostly cloudy, with a high near 50. West wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
A chance of snow showers. Mostly cloudy, with a low around 25. Chance of precipitation is 50%.
A slight chance of snow showers before 2pm. Mostly sunny, with a high near 42.
Partly cloudy, with a low around 25.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 60.
A chance of rain showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Showers And Thunderstorms Likely
|
76°F |
3 to 15 mph
S
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms Likely
|
37°F |
8 to 14 mph
SW
|
|
Sunday
Apr 19
|
Chance Rain Showers then Chance Snow Showers
|
50°F |
8 to 13 mph
W
|
|
Sunday Night
Apr 19
|
Chance Snow Showers
|
25°F |
7 to 12 mph
NW
|
|
Monday
Apr 20
|
Slight Chance Snow Showers
|
42°F |
8 to 12 mph
NW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
25°F |
3 to 8 mph
SW
|
|
Tuesday
Apr 21
|
Mostly Sunny then Slight Chance Rain Showers
|
60°F |
5 to 9 mph
SW
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
40°F |
8 mph
SW
|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
60°F |
6 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Bonaventure.