Ulster, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Ulster weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Rain57%0.39″85°69°—
- MondayJul 6Light Rain64%0.50″72°67°-13°
- TuesdayJul 7Light Drizzle75%0.03″69°62°-3°
- WednesdayJul 8Overcast24%—84°57°+15°
- ThursdayJul 9Light Drizzle45%—88°62°+4°
- FridayJul 10Drizzle59%—72°61°-16°
- SaturdayJul 11Overcast25%—79°54°+7°
AQI 43 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 45 — peak already passed at 1 PM under partly cloudy skies. 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 partly cloudy skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 2.3 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 45
PM × Wind × Precip
PM2.5 at 5.6 µg/m³ (AQI 31) with a 0.92 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:24 PM
- Moonset
- 11:15 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Ulster at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 18850
16-Day Forecast — Ulster
- Sun85°69°57%
- Mon72°67°64%
- Tue69°62°75%
- Wed84°57°24%
- Thu88°62°45%
- Fri72°61°59%
- Sat79°54°25%
- Sun72°59°16%
- Mon73°62°18%
- Tue68°60°22%
- Wed69°60°26%
- Thu79°57°32%
- Fri86°58°34%
- Sat77°61°33%
- Sun84°61°39%
- Mon75°64°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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.
SPC Convective Outlook
Storm Prediction Center — Ulster
SPC includes Ulster in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Ulster
- 18850