Willow Grove, Pennsylvania Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Willow Grove weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Heavy Rain98%0.91″74°61°—
- TuesdayJun 16Overcast——77°55°+3°
- WednesdayJun 17Light Drizzle38%0.01″82°59°+5°
- ThursdayJun 18Light Drizzle48%—91°69°+9°
- FridayJun 19Drizzle31%0.05″82°67°-9°
- SaturdayJun 20Mostly Clear——78°61°-4°
- SundayJun 21Overcast——79°62°+1°
AQI 33 (Good), driven by Ozone. AQI down 10 over the last 6 hours (gradual decline). Ozone at AQI 37 now. With UV 8.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 40 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 37 now. With UV 8.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 40 around 1 PM.
- Present
- AQI 37
- UV peak
- 8.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 40
PM × Wind × Precip
PM2.5 at 5.3 µg/m³, PM10 at 5.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 1.00
- Wind
- breezy
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:30 AM
- Moonset
- 8:45 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Willow Grove at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Willow Grove
- Mon74°61°98%
- Tue77°55°0%
- Wed82°59°38%
- Thu91°69°48%
- Fri82°67°31%
- Sat78°61°8%
- Sun79°62°5%
- Mon67°59°31%
- Tue80°57°31%
- Wed81°59°17%
- Thu83°62°12%
- Fri85°60°23%
- Sat90°65°19%
- Sun91°71°21%
- Mon98°74°29%
- Tue92°72°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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.
ZIP codes in Willow Grove
- 19090