Monessen, Pennsylvania Weather
Honeysuckle sweetens the night. Day 90 of spring. Read this microseason across nine climate regions →
Monessen weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Light Drizzle33%0.02″81°59°—
- ThursdayJun 18Light Rain55%0.07″83°66°+2°
- FridayJun 19Overcast——76°51°-7°
- SaturdayJun 20Overcast——73°49°-3°
- SundayJun 21Heavy Showers56%1.2″69°54°-4°
- MondayJun 22Overcast68%—71°52°+2°
- TuesdayJun 23Clear33%—75°48°+4°
AQI 52 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 13.5 µg/m³, PM10 to 14.2 µg/m³.
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 31 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14 around 1 PM.
- Present
- AQI 31
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 14
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 13.5 µg/m³, PM10 to 14.2 µg/m³.
- PM2.5/PM10
- 0.95
- Wind
- calm
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 8:17 AM
- Moonset
- 10:57 PM
- In sign
- ♋︎ Cancer
Honeysuckle sweetens the night
Monessen at a glance
- Today vs. normal: 16°F below the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Monessen
- Wed81°59°33%
- Thu83°66°55%
- Fri76°51°5%
- Sat73°49°8%
- Sun69°54°56%
- Mon71°52°68%
- Tue75°48°33%
- Wed79°54°10%
- Thu83°56°21%
- Fri84°61°26%
- Sat85°65°32%
- Sun86°66°33%
- Mon89°65°46%
- Tue73°65°45%
- Wed72°68°48%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — Monessen
SPC has placed Monessen in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3NONENo severe 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.
ZIP codes in Monessen
- 15062