Sunbury, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sunbury weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain30%0.19″97°72°—
- SundayJul 5Showers90%0.35″91°71°-6°
- MondayJul 6Thunderstorm90%0.11″73°63°-18°
- TuesdayJul 7Overcast60%—80°62°+7°
- WednesdayJul 8Overcast19%—85°57°+5°
- ThursdayJul 9Light Drizzle36%0.04″85°62°0°
- FridayJul 10Light Drizzle43%—88°67°+3°
AQI 55 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 43 now. With UV 1.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
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 43 now. With UV 1.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 43
- UV peak
- 1.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
PM × Wind × Precip
PM2.5 at 7.6 µg/m³ (AQI 42) with a 0.94 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:02 PM
- Moonset
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sunbury at a glance
- Today vs. normal: 6°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 code: 17801
16-Day Forecast — Sunbury
- Sat97°72°30%
- Sun91°71°90%
- Mon73°63°90%
- Tue80°62°60%
- Wed85°57°19%
- Thu85°62°36%
- Fri88°67°43%
- Sat87°70°29%
- Sun72°67°27%
- Mon73°65°20%
- Tue82°64°17%
- Wed85°65°24%
- Thu94°69°24%
- Fri93°72°29%
- Sat81°70°39%
- Sun89°66°35%
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 — Sunbury
SPC has placed Sunbury 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 Sunbury
- 17801