South Dayton, NY Weather Forecast
Local 7-day forecast
Partly Sunny then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for South Dayton, NY in one place.
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 76. South wind 3 to 10 mph. Chance of precipitation is 60%.
Local Weather Overview
This forecast page for South Dayton, 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 14, 2026 10:44 PM EDT.
The active forecast window currently covers Apr 18 to Apr 21, 2026 for South Dayton, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 21, 2026
- Latest sync
- Apr 14, 2026 10:44 PM EDT
- Forecast office
- BUF
- Source
- NOAA / NWS
Daily Outlook
This Week in South Dayton
Saturday looks like the warmest upcoming period in South Dayton at 76 degrees F.
Monday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Sunday at about 8 to 15 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 10:44 PM EDT
- Coverage
- 4 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. Mostly cloudy, with a low around 40. Chance of precipitation is 80%.
Rain showers likely before 5pm, then rain and snow showers likely. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Rain and snow showers likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
A slight chance of snow showers. Partly sunny, with a high near 41.
A slight chance of snow showers before 8pm. Partly cloudy, with a low around 26.
Mostly sunny, with a high near 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Partly Sunny then Showers And Thunderstorms Likely
|
76°F |
3 to 10 mph
S
|
|
Saturday Night
Apr 18
|
Showers And Thunderstorms
|
40°F |
8 mph
SW
|
|
Sunday
Apr 19
|
Rain Showers Likely then Rain And Snow Showers Likely
|
49°F |
8 to 15 mph
W
|
|
Sunday Night
Apr 19
|
Rain And Snow Showers Likely
|
28°F |
8 to 13 mph
W
|
|
Monday
Apr 20
|
Slight Chance Snow Showers
|
41°F |
9 to 13 mph
W
|
|
Monday Night
Apr 20
|
Slight Chance Snow Showers then Partly Cloudy
|
26°F |
3 to 9 mph
W
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
51°F |
5 to 8 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Dayton.