Windsor, Pennsylvania Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Windsor weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——86°59°—
- FridayJun 5Overcast——89°66°+3°
- SaturdayJun 6Overcast36%—81°64°-8°
- SundayJun 7Heavy Drizzle36%—83°64°+2°
- MondayJun 8Overcast——70°58°-13°
- TuesdayJun 9Overcast——78°53°+8°
- WednesdayJun 10Mostly Clear16%—82°58°+4°
PM2.5 at 14.4 µg/m³, PM10 at 14.7 µg/m³ — typical background levels with no transport signature. AQI down 23 over the last 6 hours — air quality is improving sharply.
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 14.4 µg/m³, PM10 at 14.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.98
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:34 AM
- Moonset
- 1:06 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Windsor at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: April 15 (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.