Lenape Heights, Pennsylvania Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
Lenape Heights weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Partly Cloudy——84°49°—
- FridayJun 5Overcast——86°58°+2°
- SaturdayJun 6Showers73%—81°65°-5°
- SundayJun 7Heavy Drizzle73%—82°61°+1°
- MondayJun 8Overcast——83°55°+1°
- TuesdayJun 9Overcast14%—80°61°-3°
- WednesdayJun 10Light Drizzle25%—81°63°+1°
PM2.5 at 9.3 µg/m³ (AQI 51) with a 1.00 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust. AQI up 58 in the last 6 hours — air quality is degrading.
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 33. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 1.00 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 1.00
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:20 AM
- Moonset
- 2:21 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Lenape Heights at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, 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 — Lenape Heights
SPC has placed Lenape Heights in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3SLGTSlight Risk
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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Lenape Heights's warmest month is July (~72°F mean) and its coldest is January (~26°F). Rainfall peaks in June (4.7 inches) and bottoms out in February (2.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 26° | 3.2″ | 8 |
| February | 28° | 2.6″ | 7 |
| March | 37° | 3.3″ | 8 |
| April | 49° | 3.7″ | 8 |
| May | 59° | 4.0″ | 9 |
| June | 68° | 4.7″ | 8 |
| July | 72° | 4.5″ | 8 |
| August | 70° | 4.2″ | 7 |
| September | 63° | 4.2″ | 7 |
| October | 52° | 3.3″ | 7 |
| November | 40° | 3.3″ | 7 |
| December | 31° | 3.4″ | 8 |
Regional context
Lenape Heights's baseline climate, derived from NOAA NCEI 1991-2020 normals at the nearest reporting station, swings from a January mean of 26°F to a July mean of 72°F — a 45°F seasonal arc typical of the mid-latitude bands. Annual precipitation runs about 44.3 inches spread across roughly 92 days with measurable rain or snow each year.
Rainfall stays relatively even across the calendar: June tops out at 4.7 inches across 8.4 days with measurable rain, and February settles around 2.6 inches across 6.8 rainy days — a comparatively narrow seasonal range. The balanced distribution lines Lenape Heights up with places like Ford City, PA, Ford Cliff, PA and Manorville, PA, all of which run on overlapping storm tracks rather than a single seasonal moisture source.
The frost-sensitive growing window opens around mid-April, when overnight lows reliably clear freezing for cool-season crops like kale, peas, spinach, and parsnips. Warm-soil crops — tomatoes, peppers, eggplant — wait until soil temperatures reach the mid-50s°F, usually two weeks past the last-frost date. The window closes around mid-November, when overnight lows resume dipping below freezing and frost-tender plants need protection or harvest. Those dates are 30-year averages; the actual frost-free window in a given year can vary by 10-14 days at either end. Neighborhood-scale variation in elevation and cold-air pooling means the practical last-frost date inside Lenape Heights can lag the regional mean by 5-10 days in low spots, and a bench position with good cold-air drainage can run a week ahead.
Similar climates: Ford City, PA, Ford Cliff, PA, Manorville, PA, Applewold, PA, West Kittanning, PA.
Frequently asked
- When does it freeze in Lenape Heights?
- Lenape Heights's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Lenape Heights?
- June is the wettest month with about 4.7 inches of rain on average; the city receives roughly 44 inches annually.
- What is the warmest month in Lenape Heights?
- July is typically warmest, averaging about 72°F.
- What is the coldest month in Lenape Heights?
- January is typically coldest, averaging about 26°F.
- When can I start a vegetable garden in Lenape Heights?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Lenape Heights get?
- Lenape Heights averages about 92 rainy days per year.
- What hardiness zone is Lenape Heights?
- Lenape Heights's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Lenape Heights, Pennsylvania sits in a warm-summer humid continental climate zone. January means hover near 26°F while July averages 72°F — a 45°F seasonal swing.
Across the year, Lenape Heights receives about 44 inches of precipitation spread over roughly 92 rainy days.
The rhythm of the year is set by latitude (40.8°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.