East Lansdowne, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
East Lansdowne weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle42%0.01″102°76°—
- SundayJul 5Rain88%0.47″97°71°-5°
- MondayJul 6T-storm w/ Hail88%0.28″83°66°-14°
- TuesdayJul 7Foggy72%—67°63°-16°
- WednesdayJul 8Clear16%—87°60°+20°
- ThursdayJul 9Partly Cloudy28%—91°66°+4°
- FridayJul 10Light Drizzle34%0.04″95°72°+4°
AQI 64 (Moderate), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM2.5 at 20.0 µg/m³ (AQI 71) with a 0.89 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 45 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 28 around 1 PM.
- Present
- AQI 45
- UV peak
- 4.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 28
PM × Wind × Precip
PM2.5 at 20.0 µg/m³ (AQI 71) with a 0.89 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:54 PM
- Moonset
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
East Lansdowne at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — East Lansdowne
- Sat102°76°42%
- Sun97°71°88%
- Mon83°66°88%
- Tue67°63°72%
- Wed87°60°16%
- Thu91°66°28%
- Fri95°72°34%
- Sat84°72°34%
- Sun75°68°32%
- Mon72°68°17%
- Tue84°66°17%
- Wed92°68°24%
- Thu96°74°23%
- Fri98°78°34%
- Sat83°72°39%
- Sun91°71°35%
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 — East Lansdowne
SPC has placed East Lansdowne in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- 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.
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 | 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
East Lansdowne peaks at about 77°F in July and bottoms near 31°F in January; December brings the heaviest rain (4.2 inches) and February the least (2.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 31° | 3.4″ | 13 |
| February | 33° | 2.9″ | 12 |
| March | 42° | 3.7″ | 15 |
| April | 53° | 3.9″ | 17 |
| May | 61° | 3.7″ | 17 |
| June | 71° | 3.7″ | 17 |
| July | 77° | 3.3″ | 16 |
| August | 75° | 4.0″ | 17 |
| September | 69° | 3.7″ | 13 |
| October | 58° | 3.0″ | 11 |
| November | 45° | 3.6″ | 13 |
| December | 36° | 4.2″ | 13 |
Regional context
In East Lansdowne, NOAA NCEI 1991-2020 normals put January near 31°F and July near 77°F — a 46°F seasonal arc — with about 43.1 inches of precipitation over 173 rainy or snowy days.
No season owns East Lansdowne's rain: December reaches 4.2 inches across 13.0 days and February keeps 2.9 inches on 12.4, an even spread through East Lansdowne's year. That lines East Lansdowne up with places like Lansdowne, PA, Yeadon, PA and Millbourne, PA, fed by overlapping storm tracks.
Around mid-April, East Lansdowne sheds its freezing nights — peas, lettuce, spinach, and radishes go into East Lansdowne's beds. Heat-demanding starts go out a fortnight on in East Lansdowne, after the soil warms and cold snaps clear. The season ends by mid-November in East Lansdowne, once hard frosts set back in. A creek-bottom lot in East Lansdowne can lag East Lansdowne's last frost 7-10 days behind a south slope.
Similar climates: Lansdowne, PA, Yeadon, PA, Millbourne, PA, Darby, PA, Aldan, PA.
Frequently asked
- When does it freeze in East Lansdowne?
- In East Lansdowne, expect the last spring frost near mid-April; East Lansdowne's first autumn frost comes around mid-November.
- What is the rainy season in East Lansdowne?
- Rainfall in East Lansdowne peaks in December near 4.2 inches, out of about 43 inches annually.
- What is the warmest month in East Lansdowne?
- East Lansdowne peaks in July, when the mean runs near 77°F.
- What is the coldest month in East Lansdowne?
- January is East Lansdowne's coldest month, averaging about 31°F.
- When can I start a vegetable garden in East Lansdowne?
- Hardy spring crops go in near mid-April in East Lansdowne; tender peppers and squash wait 10–14 days.
- How many rainy days does East Lansdowne get?
- East Lansdowne averages about 173 days with measurable rain or snow each year.
- What hardiness zone is East Lansdowne?
- With January around 31°F, East Lansdowne's zone reflects that minimum — the USDA ZIP map confirms East Lansdowne's band.
- What is the 10-day forecast for East Lansdowne?
- East Lansdowne'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 East Lansdowne?
- See this week's day-by-day rain chances for East Lansdowne in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in East Lansdowne?
- Current conditions for East Lansdowne and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the East Lansdowne forecast updated?
- The East Lansdowne forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in East Lansdowne?
- Today's sunrise and sunset times for East Lansdowne 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 East Lansdowne?
- The next few days in East Lansdowne's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, East Lansdowne, Pennsylvania swings from 31°F in the heart of winter to 77°F at midsummer — a 46°F arc.
Across the year, East Lansdowne collects about 43 inches of precipitation over roughly 173 days with measurable rain or snow.
East Lansdowne's 46°F range, set by its 39.9°N position, drives frost timing and what thrives in East Lansdowne.
ZIP codes in East Lansdowne
- 19050