Lansdale, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Lansdale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle57%0.03″85°71°—
- MondayJul 6Heavy Rain64%0.69″76°66°-9°
- TuesdayJul 7Overcast59%—69°64°-7°
- WednesdayJul 8Overcast33%—82°63°+13°
- ThursdayJul 9Heavy Drizzle29%—86°68°+4°
- FridayJul 10Overcast44%—85°70°-1°
- SaturdayJul 11Foggy35%—84°67°-1°
AQI 77 (Moderate), driven by Ozone. AQI up 41 in the last 6 hours — air quality is degrading. Ozone at AQI 117 — 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 117 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 117
- UV peak
- 1.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 117
PM × Wind × Precip
PM2.5 at 14.3 µg/m³ (AQI 61) with a 0.95 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- 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
- 11:18 PM
- Moonset
- 11:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lansdale at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 19446
16-Day Forecast — Lansdale
- Sun85°71°57%
- Mon76°66°64%
- Tue69°64°59%
- Wed82°63°33%
- Thu86°68°29%
- Fri85°70°44%
- Sat84°67°35%
- Sun79°66°17%
- Mon86°66°17%
- Tue71°64°12%
- Wed74°64°16%
- Thu76°61°23%
- Fri88°64°22%
- Sat86°67°26%
- Sun77°69°26%
- Mon68°66°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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 — Lansdale
SPC has placed Lansdale in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe 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.
ZIP codes in Lansdale
- 19446