Hamburg, Pennsylvania Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Hamburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——82°54°—
- ThursdayJun 4Overcast——86°60°+4°
- FridayJun 5Overcast——85°65°-1°
- SaturdayJun 6Drizzle30%—85°63°0°
- SundayJun 7Showers39%0.20″81°64°-4°
- MondayJun 8Overcast10%—75°56°-6°
- TuesdayJun 9Partly Cloudy15%—78°50°+3°
Ozone at AQI 47 now. AQI up 17 in the last 6 hours — air quality is degrading. With UV 0.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 8 by mid-afternoon.
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 47 now. With UV 0.2 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 8 by mid-afternoon.
- Present
- AQI 47
- UV peak
- 0.2 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 4.8 µg/m³ (AQI 27) with a 1.00 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 1.00
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 2:56 AM
- Moonset
- 11:59 AM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Hamburg at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 19 (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.