Saint Bonaventure, NY Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Bonaventure, NY in one place.
Showers and thunderstorms. Mostly cloudy, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters 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: Jul 17, 2026 2:46 PM EDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Saint Bonaventure, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 2:46 PM 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 80 degrees F.
Thursday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 2:46 PM 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
Showers and thunderstorms before 2am. Mostly cloudy, with a low around 57. Northwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Mostly sunny, with a high near 75. Northwest wind around 7 mph.
Mostly clear, with a low around 51. Northwest wind 0 to 6 mph.
Mostly sunny, with a high near 80. South wind 0 to 5 mph.
A chance of rain showers after 2am. Mostly cloudy, with a low around 61. South wind 2 to 7 mph. Chance of precipitation is 30%.
A chance of rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 80%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 51. Chance of precipitation is 40%.
Mostly sunny, with a high near 74.
Mostly clear, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Showers And Thunderstorms
|
80°F |
5 to 10 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
57°F |
5 to 10 mph
NW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
75°F |
7 mph
NW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
51°F |
0 to 6 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny
|
80°F |
0 to 5 mph
S
|
|
Monday Night
Jul 20
|
Mostly Cloudy then Chance Rain Showers
|
61°F |
2 to 7 mph
S
|
|
Tuesday
Jul 21
|
Showers And Thunderstorms
|
80°F |
7 to 10 mph
SW
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms
|
57°F |
5 to 9 mph
W
|
|
Wednesday
Jul 22
|
Chance Rain Showers
|
73°F |
6 to 10 mph
W
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
51°F |
1 to 9 mph
W
|
|
Thursday
Jul 23
|
Mostly Sunny
|
74°F |
1 to 6 mph
NW
|
|
Thursday Night
Jul 23
|
Mostly Clear
|
50°F |
0 to 3 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Bonaventure.