Somerset, Pennsylvania Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Somerset weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——77°47°—
- FridayJun 5Overcast——80°56°+3°
- SaturdayJun 6Drizzle69%—78°60°-2°
- SundayJun 7Light Showers69%0.01″74°61°-4°
- MondayJun 8Overcast——73°53°-1°
- TuesdayJun 9Overcast——77°53°+4°
- WednesdayJun 10Partly Cloudy20%—80°57°+3°
Ozone at AQI 115 — peak already passed at 1 PM under clear skies. AQI up 32 in the last 6 hours — air quality is degrading. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 115 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 115
- UV peak
- 6.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 115
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
- 3:44 AM
- Moonset
- 1:16 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Somerset at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: April 16 (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.
SPC Convective Outlook
Storm Prediction Center — Somerset
SPC has placed Somerset in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.