Penfield, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Penfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain53%0.11″87°67°—
- SundayJul 5Light Showers47%0.07″85°66°-2°
- MondayJul 6Drizzle89%0.04″74°68°-11°
- TuesdayJul 7Thunderstorm57%—75°66°+1°
- WednesdayJul 8Light Showers10%0.01″78°63°+3°
- ThursdayJul 9Drizzle24%0.04″84°60°+6°
- FridayJul 10Drizzle64%0.08″76°66°-8°
AQI 47 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 61 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 61 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 61
- UV peak
- 6.2 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 61
PM × Wind × Precip
PM2.5 at 7.4 µg/m³, PM10 at 7.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- light
- 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
- 11:10 PM
- Moonset
- 10:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Penfield at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15849
16-Day Forecast — Penfield
- Sat87°67°53%
- Sun85°66°47%
- Mon74°68°89%
- Tue75°66°57%
- Wed78°63°10%
- Thu84°60°24%
- Fri76°66°64%
- Sat74°62°30%
- Sun77°57°26%
- Mon78°54°33%
- Tue77°54°21%
- Wed80°54°42%
- Thu82°56°42%
- Fri80°59°39%
- Sat84°66°46%
- Sun74°66°48%
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 — Penfield
SPC has placed Penfield in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Penfield
- 15849