Frontenac, NY Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Frontenac, NY in one place.
A slight chance of rain showers before 8am. Partly sunny, with a high near 75. Southwest wind 3 to 7 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Frontenac, 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 14, 2026 4:02 PM EDT.
The active forecast window currently covers Sep 16 to Sep 20, 2026 for Frontenac, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 4:02 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in Frontenac
Wednesday looks like the warmest upcoming period in Frontenac at 75 degrees F.
Sunday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Sunday at about 6 to 9 mph NE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 4:02 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- BUF
- Radar station
- KTYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 57. North wind around 3 mph. Chance of precipitation is 20%.
Rain showers likely. Mostly cloudy, with a high near 72. Northeast wind around 6 mph. Chance of precipitation is 60%.
A chance of rain showers before 2am. Partly cloudy, with a low around 56. North wind around 5 mph. Chance of precipitation is 40%.
Mostly sunny, with a high near 72.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 54.
A chance of rain showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
A chance of rain showers before 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%.
A chance of rain showers after 8pm. Partly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Slight Chance Rain Showers then Partly Sunny
|
75°F |
3 to 7 mph
SW
|
|
Wednesday Night
Sep 16
|
Mostly Cloudy then Slight Chance Rain Showers
|
57°F |
3 mph
N
|
|
Thursday
Sep 17
|
Rain Showers Likely
|
72°F |
6 mph
NE
|
|
Thursday Night
Sep 17
|
Chance Rain Showers
|
56°F |
5 mph
N
|
|
Friday
Sep 18
|
Mostly Sunny
|
72°F |
6 mph
N
|
|
Friday Night
Sep 18
|
Partly Cloudy then Slight Chance Rain Showers
|
54°F |
5 mph
NE
|
|
Saturday
Sep 19
|
Chance Rain Showers
|
68°F |
3 to 7 mph
S
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
53°F |
6 mph
NE
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
68°F |
6 to 9 mph
NE
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
51°F |
8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Frontenac.