Current conditions at
Penn Yan, Penn Yan Airport (KPEO)
Lat: 42.64°NLon: 77.05°WElev: 902ft.
Light Rain Fog/Mist
50°F
10°C
| Humidity | 93% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 30.21 in (1023.1 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 4.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 15 Oct 2:53 am EDT |
Extended Forecast for
Rock Stream NY
Overnight
Low: 47 °F
Cloudy
Thursday
High: 59 °F
Decreasing
CloudsThursday Night
Low: 53 °F
Slight Chance
Showers then
ShowersFriday
High: 70 °F
Showers
Friday Night
Low: 39 °F
Showers
LikelySaturday
High: 44 °F
Chance
Showers then
Mostly SunnySaturday Night
Low: 32 °F
Clear
Sunday
High: 58 °F
Sunny
Sunday Night
Low: 39 °F
Clear
Detailed Forecast
Overnight
Cloudy, with a low around 47. North wind around 8 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 59. North wind around 6 mph becoming calm in the morning.
Thursday Night
Showers, mainly after 2am. Low around 53. Light south wind increasing to 11 to 16 mph in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 70. South wind 13 to 16 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 39. Northwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 44. Chance of precipitation is 30%.
Saturday Night
Clear, with a low around 32.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 60.
Additional Forecasts and Information
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Point Forecast:
Rock Stream NY
42.46°N 76.92°W (Elev. 879 ft)
42.46°N 76.92°W (Elev. 879 ft)
2:30 am EDT Oct 15, 2026
3am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
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