Birchwood Lakes, Pennsylvania Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Birchwood Lakes weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——78°52°—
- ThursdayJun 4Overcast——83°58°+5°
- FridayJun 5Overcast——83°62°0°
- SaturdayJun 6Drizzle27%—86°62°+3°
- SundayJun 7Rain59%0.20″77°59°-9°
- MondayJun 8Light Drizzle25%0.03″74°52°-3°
- TuesdayJun 9Overcast10%—81°51°+7°
Ozone at AQI 45 — peak already passed at 1 PM under clear skies. AQI up 9 over the last 6 hours (gradual rise). 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 45 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 5.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 45
PM × Wind × Precip
PM2.5 at 6.6 µg/m³, PM10 at 8.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.82
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 2:54 AM
- Moonset
- 11:51 AM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Birchwood Lakes at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 24 (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 3, 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.