Stewartstown, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Stewartstown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast24%—100°76°—
- SundayJul 5Heavy Rain90%0.74″95°72°-5°
- MondayJul 6Showers90%0.23″76°63°-19°
- TuesdayJul 7Light Drizzle69%—68°58°-8°
- WednesdayJul 8Foggy15%—80°54°+12°
- ThursdayJul 9Light Drizzle25%—86°66°+6°
- FridayJul 10Heavy Drizzle37%0.09″87°68°+1°
AQI 56 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.5 µg/m³, PM10 at 12.2 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 40 now. With UV 4.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 23 around 1 PM.
- Present
- AQI 40
- UV peak
- 4.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 23
PM × Wind × Precip
PM2.5 at 11.5 µg/m³, PM10 at 12.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 0h 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
- 10:59 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Stewartstown at a glance
- Today vs. normal: 11°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: 17363
16-Day Forecast — Stewartstown
- Sat99°76°24%
- Sun95°72°90%
- Mon76°63°90%
- Tue68°58°69%
- Wed80°54°15%
- Thu86°66°25%
- Fri87°68°37%
- Sat85°68°36%
- Sun72°65°28%
- Mon68°62°14%
- Tue74°63°12%
- Wed83°66°24%
- Thu90°69°26%
- Fri91°71°35%
- Sat77°69°42%
- Sun83°67°44%
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 — Stewartstown
SPC has placed Stewartstown in the Enhanced Risk category for severe thunderstorms today.
- TODAYENHEnhanced Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Stewartstown
- 17363