South Bethlehem, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
South Bethlehem weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Showers75%0.28″89°66°—
- SundayJul 5Light Drizzle37%0.02″86°66°-3°
- MondayJul 6Thunderstorm83%1.2″77°68°-9°
- TuesdayJul 7Thunderstorm56%0.02″75°64°-2°
- WednesdayJul 8Heavy Drizzle16%0.01″81°65°+6°
- ThursdayJul 9Light Drizzle26%—82°61°+1°
- FridayJul 10Drizzle70%0.20″75°66°-7°
AQI 89 (Moderate), driven by Ozone. AQI up 46 in the last 6 hours — air quality is degrading. Ozone at AQI 42. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 42. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 42
- UV peak
- 0.1 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 5.5 µg/m³, PM10 to 5.7 µg/m³.
- PM2.5/PM10
- 0.96
- 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
- 11:12 PM
- Moonset
- 10:20 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
South Bethlehem at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — South Bethlehem
- Sat89°66°75%
- Sun86°66°37%
- Mon77°68°83%
- Tue75°64°56%
- Wed81°65°16%
- Thu82°61°26%
- Fri75°66°70%
- Sat75°62°39%
- Sun75°56°22%
- Mon73°54°32%
- Tue76°54°24%
- Wed79°55°35%
- Thu80°57°30%
- Fri78°59°41%
- Sat82°66°36%
- Sun74°67°39%
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 — South Bethlehem
SPC has placed South Bethlehem 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 South Bethlehem
- 16242