University of Pittsburgh Johnstown, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
University of Pittsburgh Johnstown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain35%0.13″90°64°—
- SundayJul 5Heavy Showers85%4.4″83°67°-7°
- MondayJul 6T-storm w/ Hail86%0.09″75°63°-8°
- TuesdayJul 7Light Drizzle44%—75°59°0°
- WednesdayJul 8Light Drizzle17%—79°55°+4°
- ThursdayJul 9Overcast46%—82°61°+3°
- FridayJul 10Light Drizzle46%—76°63°-6°
AQI 58 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 13.4 µg/m³ (AQI 59) with a 0.95 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
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 37 now. With UV 3.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 18 around 1 PM.
- Present
- AQI 37
- UV peak
- 3.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 18
PM × Wind × Precip
PM2.5 at 13.4 µg/m³ (AQI 59) with a 0.95 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- 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
- 11:09 PM
- Moonset
- 10:18 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
University of Pittsburgh Johnstown at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — University of Pittsburgh Johnstown
- Sat90°64°35%
- Sun83°67°85%
- Mon75°63°86%
- Tue75°59°44%
- Wed79°55°17%
- Thu82°61°46%
- Fri76°63°46%
- Sat80°64°41%
- Sun74°62°29%
- Mon68°58°21%
- Tue68°57°17%
- Wed78°61°33%
- Thu87°65°29%
- Fri85°67°26%
- Sat78°65°26%
- Sun81°63°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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.
SPC Convective Outlook
Storm Prediction Center — University of Pittsburgh Johnstown
SPC has placed University of Pittsburgh Johnstown in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 University of Pittsburgh Johnstown
- 15963
- 15904