Ulster, Pennsylvania Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Ulster weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——82°44°—
- ThursdayJun 4Overcast——85°57°+3°
- FridayJun 5Overcast——83°60°-2°
- SaturdayJun 6Showers64%0.33″84°62°+1°
- SundayJun 7Light Rain59%0.09″74°57°-10°
- MondayJun 8Overcast13%—77°54°+3°
- TuesdayJun 9Mostly Clear11%—80°50°+3°
Ozone at AQI 40. AQI up 12 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
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 40. Overcast through the UV peak window (cloud cover ~99%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
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
- 3:03 AM
- Moonset
- 11:56 AM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Ulster at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 27 (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.