Lemont Furnace, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lemont Furnace weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Showers47%0.40″92°72°—
- SundayJul 5Showers45%0.16″89°71°-3°
- MondayJul 6Thunderstorm87%0.04″82°68°-7°
- TuesdayJul 7Thunderstorm52%—74°65°-8°
- WednesdayJul 8Light Drizzle14%0.02″81°64°+7°
- ThursdayJul 9Light Drizzle35%0.01″88°62°+7°
- FridayJul 10Drizzle73%0.07″73°67°-15°
AQI 71 (Moderate), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 88 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 88 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 88
- UV peak
- 4.2 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 88
PM × Wind × Precip
PM2.5 at 6.7 µg/m³, PM10 at 7.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- Recent rain
- 1h 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
- 11:12 PM
- Moonset
- 10:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lemont Furnace at a glance
- Today vs. normal: 19°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15456
16-Day Forecast — Lemont Furnace
- Sat93°73°47%
- Sun89°72°45%
- Mon82°68°87%
- Tue74°65°52%
- Wed81°64°14%
- Thu88°62°35%
- Fri73°67°73%
- Sat84°63°48%
- Sun78°60°32%
- Mon77°54°24%
- Tue78°54°25%
- Wed84°57°40%
- Thu87°60°36%
- Fri75°64°42%
- Sat82°68°56%
- Sun78°66°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 — Lemont Furnace
SPC has placed Lemont Furnace 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 Lemont Furnace
- 15456