Madison, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Madison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers77%0.68″92°69°—
- SundayJul 5Drizzle44%0.03″87°68°-5°
- MondayJul 6Thunderstorm83%0.02″80°68°-7°
- TuesdayJul 7Thunderstorm53%—75°64°-5°
- WednesdayJul 8Light Drizzle18%0.01″80°64°+5°
- ThursdayJul 9Light Drizzle37%—84°61°+4°
- FridayJul 10Heavy Drizzle72%0.11″75°66°-9°
AQI 103 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 50 in the last 6 hours — air quality is degrading. Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~60%) — afternoon ozone should stay flat.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~60%) — afternoon ozone should stay flat.
- Present
- AQI 45
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM scrubbed by 3 hours of recent rain — PM2.5 down to 7.4 µg/m³, PM10 to 7.5 µg/m³.
- PM2.5/PM10
- 0.99
- Wind
- breezy
- Recent rain
- 3h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:13 PM
- Moonset
- 10:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Madison at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 15663
16-Day Forecast — Madison
- Sat93°69°62%
- Sun87°69°45%
- Mon80°68°83%
- Tue75°64°53%
- Wed80°64°18%
- Thu84°61°37%
- Fri75°66°72%
- Sat79°63°59%
- Sun75°58°30%
- Mon75°54°30%
- Tue76°54°22%
- Wed80°55°40%
- Thu82°57°36%
- Fri76°60°42%
- Sat82°67°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 — Madison
SPC has placed Madison 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 Madison
- 15663