Alleghenyville, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Alleghenyville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle50%0.08″101°74°—
- SundayJul 5Heavy Rain91%1.2″95°72°-6°
- MondayJul 6Thunderstorm91%0.14″78°63°-17°
- TuesdayJul 7Light Drizzle73%0.01″70°58°-8°
- WednesdayJul 8Overcast15%—82°56°+12°
- ThursdayJul 9Light Drizzle33%0.01″87°62°+5°
- FridayJul 10Light Drizzle37%—89°69°+2°
AQI 60 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 12.4 µg/m³, PM10 at 13.2 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.
- Present
- AQI 43
- UV peak
- 4.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 27
PM × Wind × Precip
PM2.5 at 12.4 µg/m³, PM10 at 13.2 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
- 10:57 PM
- Moonset
- 10:07 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Alleghenyville at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Alleghenyville
- Sat101°74°50%
- Sun95°72°91%
- Mon78°63°91%
- Tue70°58°73%
- Wed82°56°15%
- Thu87°62°33%
- Fri89°69°37%
- Sat81°70°30%
- Sun72°65°28%
- Mon74°65°15%
- Tue80°64°16%
- Wed87°64°22%
- Thu91°71°24%
- Fri91°71°39%
- Sat79°71°36%
- Sun87°67°43%
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 — Alleghenyville
SPC has placed Alleghenyville 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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Alleghenyville's warmest month is July (~76°F mean) and its coldest is January (~29°F). Rainfall peaks in May (4.0 inches) and bottoms out in February (2.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 3.2″ | 14 |
| February | 32° | 2.8″ | 13 |
| March | 40° | 3.5″ | 16 |
| April | 52° | 3.8″ | 17 |
| May | 61° | 4.0″ | 18 |
| June | 70° | 3.9″ | 17 |
| July | 76° | 3.3″ | 17 |
| August | 75° | 3.8″ | 17 |
| September | 68° | 3.6″ | 14 |
| October | 57° | 3.0″ | 12 |
| November | 43° | 3.6″ | 14 |
| December | 34° | 4.0″ | 14 |
Frequently asked
- When does it freeze in Alleghenyville?
- Frost typically leaves Alleghenyville by mid-April and returns to Alleghenyville near mid-November.
- What is the rainy season in Alleghenyville?
- Rainfall in Alleghenyville peaks in May near 4.0 inches, out of about 43 inches annually.
- What is the warmest month in Alleghenyville?
- The warmest stretch in Alleghenyville comes in July, around 76°F on average.
- What is the coldest month in Alleghenyville?
- On average January is the chilliest month in Alleghenyville, about 29°F.
- When can I start a vegetable garden in Alleghenyville?
- Alleghenyville's last frost (mid-April) cues hardy greens; in Alleghenyville, hold heat-lovers two weeks past.
- How many rainy days does Alleghenyville get?
- Expect roughly 183 wet days a year in Alleghenyville.
- What hardiness zone is Alleghenyville?
- Alleghenyville sits in the USDA zone set by January lows near 29°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Alleghenyville?
- Alleghenyville's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Alleghenyville?
- See this week's day-by-day rain chances for Alleghenyville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Alleghenyville?
- Current conditions for Alleghenyville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Alleghenyville forecast updated?
- The Alleghenyville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Alleghenyville?
- Today's sunrise and sunset times for Alleghenyville are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Alleghenyville?
- The next few days in Alleghenyville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Alleghenyville, Pennsylvania occupies a warm-summer humid continental zone, with January means near 29°F and July around 76°F — a 47°F swing.
Across the year, Alleghenyville collects about 43 inches of precipitation over roughly 183 days with measurable rain or snow.
Latitude 40.2°N gives Alleghenyville its 47°F swing, and with it the rhythm of Alleghenyville's growing season.
ZIP codes in Alleghenyville
- 19540