Mountville, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Mountville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain44%0.13″100°77°—
- SundayJul 5Heavy Showers53%0.67″94°74°-6°
- MondayJul 6Thunderstorm93%0.02″83°71°-11°
- TuesdayJul 7Thunderstorm75%0.03″81°68°-2°
- WednesdayJul 8Light Drizzle17%0.01″74°63°-7°
- ThursdayJul 9Overcast13%—87°65°+13°
- FridayJul 10Light Drizzle48%—84°69°-3°
AQI 96 (Moderate), driven by Ozone. AQI up 43 in the last 6 hours — air quality is degrading. Ozone at AQI 68 — 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 68 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 68
- UV peak
- 0.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 68
PM × Wind × Precip
PM2.5 at 7.4 µg/m³, PM10 at 8.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- 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
- 10:09 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Mountville at a glance
- Today vs. normal: 27°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 17554
16-Day Forecast — Mountville
- Sat100°77°44%
- Sun94°74°53%
- Mon83°71°93%
- Tue81°68°75%
- Wed74°63°17%
- Thu87°65°13%
- Fri84°69°48%
- Sat86°67°31%
- Sun79°64°33%
- Mon80°65°19%
- Tue84°62°19%
- Wed86°61°37%
- Thu89°64°48%
- Fri85°69°41%
- Sat90°69°39%
- Sun85°71°45%
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 — Mountville
SPC has placed Mountville in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight 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 Mountville
- 17554