Hazardous Weather Conditions
Current conditions at
Penn Yan, Penn Yan Airport (KPEO)
Lat: 42.64°NLon: 77.05°WElev: 902ft.
Fair
77°F
25°C
| Humidity | 56% |
| Wind Speed | Calm |
| Barometer | 30.14 in (1020.2 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 29 Jun 10:53 am EDT |
Extended Forecast for
Rock Stream NY
Today
High: 86 °F
Mostly Sunny
Tonight
Low: 68 °F
Partly Cloudy
Tuesday
High: 89 °F
Chance
Showers then
Chance
T-stormsTuesday Night
Low: 72 °F
Chance
ShowersWednesday
High: 93 °F
Mostly Sunny
then Slight
Chance
T-stormsWednesday Night
Low: 73 °F
Mostly Clear
Thursday
High: 93 °F
Hot
Thursday Night
Low: 73 °F
Mostly Clear
Friday
High: 90 °F
Mostly Sunny
then Chance
T-storms
Detailed Forecast
Today
Mostly sunny, with a high near 86. Calm wind.
Tonight
Partly cloudy, with a low around 68. Calm wind becoming south around 6 mph after midnight.
Tuesday
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Heat index values as high as 95. Southwest wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. West wind around 8 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny and hot, with a high near 93.
Thursday Night
Mostly clear, with a low around 73.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Independence Day
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Rock Stream NY
42.46°N 76.92°W (Elev. 879 ft)
42.46°N 76.92°W (Elev. 879 ft)
6:44 am EDT Jun 29, 2026
11am EDT Jun 29, 2026-6pm EDT Jul 5, 2026
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