Butler, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Butler weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain58%1.1″91°68°—
- SundayJul 5Heavy Showers40%2.7″87°68°-4°
- MondayJul 6T-storm w/ Hail92%—80°69°-7°
- TuesdayJul 7Thunderstorm53%0.02″77°66°-3°
- WednesdayJul 8Light Drizzle——82°65°+5°
- ThursdayJul 9Light Drizzle30%—84°62°+2°
- FridayJul 10Light Showers68%0.38″74°68°-10°
AQI 98 (Moderate), driven by Ozone. AQI up 52 in the last 6 hours — air quality is degrading. Ozone at AQI 73 — 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 73 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 73
- UV peak
- 1.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 73
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.1 µg/m³, PM10 to 8.9 µg/m³.
- PM2.5/PM10
- 0.91
- Wind
- light
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:15 PM
- Moonset
- 10:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Butler at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 16001, 16002
16-Day Forecast — Butler
- Sat91°68°58%
- Sun87°68°40%
- Mon80°69°92%
- Tue77°66°53%
- Wed82°65°8%
- Thu84°62°30%
- Fri74°68°68%
- Sat75°62°37%
- Sun76°58°23%
- Mon77°54°24%
- Tue77°54°20%
- Wed81°55°35%
- Thu82°58°28%
- Fri80°61°40%
- Sat82°67°35%
- Sun74°66°42%
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 — Butler
SPC has placed Butler in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Butler
- 16001
- 16003