Pennside, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Pennside weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain47%0.25″100°74°—
- SundayJul 5Heavy Rain90%2.9″94°71°-6°
- MondayJul 6Thunderstorm90%0.16″76°63°-18°
- TuesdayJul 7Light Drizzle71%0.01″71°57°-5°
- WednesdayJul 8Overcast15%—82°55°+11°
- ThursdayJul 9Light Drizzle33%—88°61°+6°
- FridayJul 10Light Drizzle35%—87°68°-1°
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
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Pennside at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Pennside
- Sat100°74°47%
- Sun94°71°90%
- Mon76°63°90%
- Tue71°57°71%
- Wed82°55°15%
- Thu88°61°33%
- Fri87°68°35%
- Sat83°70°30%
- Sun73°65°28%
- Mon73°65°14%
- Tue80°64°17%
- Wed86°63°30%
- Thu91°70°29%
- Fri91°70°36%
- Sat80°70°36%
- Sun86°67°39%
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 — Pennside
SPC has placed Pennside 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
Pennside peaks at about 76°F in July and bottoms near 29°F in January; May brings the heaviest rain (4.0 inches) and February the least (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 |
Regional context
Pennside swings from 29°F in January to 76°F in July (47°F) per NOAA NCEI 1991-2020 normals; precipitation in Pennside runs about 42.6 inches on roughly 183 measurable days.
No season owns Pennside's rain: May reaches 4.0 inches across 18.4 days and February keeps 2.8 inches on 13.4, an even spread through Pennside's year. That even rhythm groups Pennside with places like Mount Penn, PA, Stony Creek Mills, PA and St. Lawrence, PA.
Around mid-April, Pennside sheds its freezing nights — kale, peas, spinach, and parsnips go into Pennside's beds. Heat-demanding starts go out a fortnight on in Pennside, after the soil warms and cold snaps clear. Frost returns to Pennside near mid-November, ending the tender-crop season. A creek-bottom lot in Pennside can lag Pennside's last frost 7-10 days behind a south slope.
Similar climates: Mount Penn, PA, Stony Creek Mills, PA, St. Lawrence, PA, Reiffton, PA, Jacksonwald, PA.
Frequently asked
- When does it freeze in Pennside?
- In Pennside, expect the last spring frost near mid-April; Pennside's first autumn frost comes around mid-November.
- What is the rainy season in Pennside?
- May is the wettest month in Pennside, about 4.0 inches on average; the year totals roughly 43 inches.
- What is the warmest month in Pennside?
- On average July tops the year in Pennside at about 76°F.
- What is the coldest month in Pennside?
- The coldest stretch in Pennside falls in January, around 29°F on average.
- When can I start a vegetable garden in Pennside?
- Around mid-April, start frost-hardy crops in Pennside; tomatoes and basil belong a fortnight later.
- How many rainy days does Pennside get?
- Pennside averages about 183 days with measurable rain or snow each year.
- What hardiness zone is Pennside?
- Because Pennside bottoms near 29°F in January, that winter low sets Pennside's USDA zone — verify by ZIP.
- What is the 10-day forecast for Pennside?
- Pennside'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 Pennside?
- See this week's day-by-day rain chances for Pennside in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Pennside?
- Current conditions for Pennside and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Pennside forecast updated?
- The Pennside forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Pennside?
- Today's sunrise and sunset times for Pennside 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 Pennside?
- The next few days in Pennside's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Pennside, Pennsylvania, the warm-summer humid continental climate runs from about 29°F in January to 76°F in July, a 47°F seasonal range.
Yearly precipitation in Pennside totals around 43 inches, spread over about 183 days of rain or snow.
Pennside's 47°F range, set by its 40.3°N position, drives frost timing and what thrives in Pennside.
ZIP codes in Pennside
- 19606