Perth, NY Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Perth, NY in one place.
A chance of rain showers before 11am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 69. West wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Perth, 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 15, 2026 3:35 PM EDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for Perth, NY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:35 PM EDT
- Forecast office
- ALY
- Source
- NOAA / NWS
Daily Outlook
This Week in Perth
Saturday looks like the warmest upcoming period in Perth at 72 degrees F.
Monday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Monday at about 12 to 17 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:35 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- ALY
- Radar station
- KENX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 72.
Rain showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Rain showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Rain showers likely before 2am, then a chance of snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
A chance of snow showers before 2pm. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Partly cloudy, with a low around 27.
Mostly sunny, with a high near 55.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Chance Showers And Thunderstorms
|
69°F |
2 to 6 mph
W
|
|
Friday Night
Apr 17
|
Chance Rain Showers then Mostly Cloudy
|
52°F |
5 mph
NE
|
|
Saturday
Apr 18
|
Partly Sunny then Slight Chance Rain Showers
|
72°F |
2 to 9 mph
SE
|
|
Saturday Night
Apr 18
|
Rain Showers Likely
|
45°F |
8 mph
SE
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
57°F |
7 to 13 mph
W
|
|
Sunday Night
Apr 19
|
Rain Showers Likely then Chance Snow Showers
|
31°F |
12 mph
W
|
|
Monday
Apr 20
|
Chance Snow Showers
|
41°F |
12 to 17 mph
W
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
27°F |
6 to 13 mph
W
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
55°F |
6 to 10 mph
W
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
39°F |
7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Perth.