Clarksville, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Clarksville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Showers83%1.2″95°71°—
- SundayJul 5Rain45%0.13″89°71°-6°
- MondayJul 6Thunderstorm75%—83°70°-6°
- TuesdayJul 7Thunderstorm53%—78°66°-5°
- WednesdayJul 8Drizzle15%—83°68°+5°
- ThursdayJul 9Light Drizzle37%—87°64°+4°
- FridayJul 10Light Drizzle72%0.04″79°68°-8°
AQI 66 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 4 hours of recent rain — PM2.5 down to 10.8 µg/m³, PM10 to 11.1 µg/m³.
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 41. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
- Present
- AQI 41
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 10.8 µg/m³, PM10 to 11.1 µg/m³.
- PM2.5/PM10
- 0.97
- Wind
- calm
- Recent rain
- 4h 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
- 11:38 PM
- Moonset
- 11:30 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Clarksville at a glance
- Today vs. normal: 74°F — typical for the season
- 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: 15322
16-Day Forecast — Clarksville
- Sat95°71°83%
- Sun89°71°45%
- Mon83°70°75%
- Tue78°66°53%
- Wed83°68°15%
- Thu87°64°37%
- Fri79°68°72%
- Sat79°63°55%
- Sun79°57°28%
- Mon82°55°27%
- Tue83°59°20%
- Wed80°62°35%
- Thu81°57°39%
- Fri88°61°42%
- Sat89°66°43%
- Sun76°67°36%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Clarksville
SPC has placed Clarksville 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 Clarksville
- 15322