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 4Rain58%0.41″89°64°—
- SundayJul 5Heavy Rain46%5.1″80°67°-9°
- MondayJul 6Heavy Drizzle85%0.05″75°64°-5°
- TuesdayJul 7Heavy Drizzle65%—77°62°+2°
- WednesdayJul 8Showers16%0.03″72°62°-5°
- ThursdayJul 9Light Drizzle24%—81°59°+9°
- FridayJul 10Light Drizzle61%0.06″78°65°-3°
AQI 53 (Moderate), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 95 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 111 around 1 PM.
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 95 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 111 around 1 PM.
- Present
- AQI 95
- UV peak
- 8.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 111
PM × Wind × Precip
PM2.5 at 6.9 µg/m³, PM10 at 7.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- breezy
- 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).
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: 16°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
- Sat89°64°58%
- Sun80°67°46%
- Mon75°64°85%
- Tue77°62°65%
- Wed72°62°16%
- Thu81°59°24%
- Fri78°65°61%
- Sat75°60°35%
- Sun74°58°28%
- Mon73°54°28%
- Tue73°52°22%
- Wed77°54°40%
- Thu78°55°37%
- Fri75°58°42%
- Sat79°64°46%
- Sun73°65°48%
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