Penn State Erie, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Penn State Erie weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast27%—84°72°—
- SundayJul 5Light Drizzle43%0.02″81°68°-3°
- MondayJul 6Drizzle37%—75°64°-6°
- TuesdayJul 7Mostly Clear19%—75°61°0°
- WednesdayJul 8Overcast——81°61°+6°
- ThursdayJul 9Light Showers32%0.25″80°64°-1°
- FridayJul 10Light Drizzle33%—76°64°-4°
AQI 44 (Good), driven by PM2.5. AQI down 18 over the last 6 hours — air quality is improving sharply. PM2.5 at 9.0 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature.
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 37 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 12 around 1 PM.
- Present
- AQI 37
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 12
PM × Wind × Precip
PM2.5 at 9.0 µg/m³, PM10 at 9.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- 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
- 11:17 PM
- Moonset
- 10:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Penn State Erie at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Penn State Erie
- Sat84°72°27%
- Sun81°68°43%
- Mon75°64°37%
- Tue75°61°19%
- Wed81°61°6%
- Thu80°64°32%
- Fri76°64°33%
- Sat75°65°27%
- Sun76°63°22%
- Mon69°61°17%
- Tue76°58°22%
- Wed82°66°30%
- Thu83°67°32%
- Fri78°68°54%
- Sat78°69°33%
- Sun77°62°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 State Erie
SPC includes Penn State Erie in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
The year in Penn State Erie tops out in July (~73°F) and dips lowest in January (~28°F), with October wettest at 4.4 inches and February driest at 2.5 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 28° | 3.4″ | 10 |
| February | 29° | 2.5″ | 8 |
| March | 36° | 3.1″ | 8 |
| April | 47° | 3.5″ | 9 |
| May | 59° | 3.5″ | 8 |
| June | 68° | 3.7″ | 7 |
| July | 73° | 3.3″ | 7 |
| August | 72° | 3.4″ | 6 |
| September | 65° | 4.3″ | 7 |
| October | 54° | 4.4″ | 10 |
| November | 44° | 3.8″ | 9 |
| December | 34° | 4.2″ | 11 |
Frequently asked
- When does it freeze in Penn State Erie?
- In Penn State Erie, expect the last spring frost near mid-May; Penn State Erie's first autumn frost comes around mid-October.
- What is the rainy season in Penn State Erie?
- Penn State Erie sees its heaviest rain in October (around 4.4 inches), part of roughly 43 inches a year.
- What is the warmest month in Penn State Erie?
- July is Penn State Erie's warmest month, averaging about 73°F.
- What is the coldest month in Penn State Erie?
- Penn State Erie bottoms out in January, with a mean near 28°F.
- When can I start a vegetable garden in Penn State Erie?
- Penn State Erie's last frost (mid-May) cues hardy greens; in Penn State Erie, hold heat-lovers two weeks past.
- How many rainy days does Penn State Erie get?
- Penn State Erie records around 99 days of measurable precipitation annually.
- What hardiness zone is Penn State Erie?
- Penn State Erie's USDA zone comes from its January mean (28°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Penn State Erie?
- Penn State Erie's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Penn State Erie?
- See this week's day-by-day rain chances for Penn State Erie in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Penn State Erie?
- Current conditions for Penn State Erie and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Penn State Erie forecast updated?
- The Penn State Erie forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Penn State Erie?
- Today's sunrise and sunset times for Penn State Erie are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Penn State Erie?
- The next few days in Penn State Erie's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Penn State Erie's warm-summer humid continental climate in Pennsylvania pairs 28°F Januarys with 73°F Julys, 45°F apart across the seasons.
Penn State Erie sees close to 43 inches of precipitation annually, falling across some 99 wet days.
At 42.1°N, Penn State Erie's 45°F summer-to-winter swing sets when Penn State Erie's gardens wake and when frost returns.
ZIP codes in Penn State Erie
- 16510
- 16563