Boyertown, Pennsylvania Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Boyertown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——82°54°—
- ThursdayJun 4Overcast——89°60°+7°
- FridayJun 5Overcast——92°66°+3°
- SaturdayJun 6Light Drizzle29%—83°63°-9°
- SundayJun 7Heavy Drizzle32%0.01″84°62°+1°
- MondayJun 8Overcast16%—75°55°-9°
- TuesdayJun 9Mostly Clear——78°50°+3°
PM2.5 at 10.4 µg/m³ (AQI 53) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust. AQI flat over the last 6 hours (within ±4 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 10.4 µg/m³ (AQI 53) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:31 AM
- Moonset
- 1:01 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Boyertown at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 18 (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 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.