Penn Yan, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Penn Yan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast24%—87°71°—
- SundayJul 5Foggy13%—82°67°-5°
- MondayJul 6Light Showers72%0.24″69°63°-13°
- TuesdayJul 7Thunderstorm48%0.02″77°63°+8°
- WednesdayJul 8Light Showers12%0.02″74°64°-3°
- ThursdayJul 9Light Drizzle38%0.05″76°63°+2°
- FridayJul 10Light Drizzle59%—81°67°+5°
AQI 49 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 50 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 50 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 2.3 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 8.7 µg/m³, PM10 at 9.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:05 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Penn Yan at a glance
- Today vs. normal: 18°F above the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 14527
16-Day Forecast — Penn Yan
- Sat87°73°24%
- Sun82°68°13%
- Mon69°63°72%
- Tue77°63°48%
- Wed74°64°12%
- Thu76°63°38%
- Fri81°67°59%
- Sat75°61°25%
- Sun71°55°29%
- Mon76°55°36%
- Tue75°55°31%
- Wed78°56°40%
- Thu78°65°38%
- Fri84°64°48%
- Sat83°67°52%
- Sun76°64°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Penn Yan
SPC has placed Penn Yan in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Penn Yan
- 14527