Yardley, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Yardley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast47%—101°74°—
- SundayJul 5Heavy Rain93%2.5″95°72°-6°
- MondayJul 6T-storm w/ Hail93%0.41″76°65°-19°
- TuesdayJul 7Light Drizzle68%0.02″66°60°-10°
- WednesdayJul 8Overcast14%—86°57°+20°
- ThursdayJul 9Light Drizzle26%—90°68°+4°
- FridayJul 10Drizzle33%0.05″93°71°+3°
AQI 53 (Moderate), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 16.6 µg/m³ (AQI 65) with a 0.92 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
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 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 16.6 µg/m³ (AQI 65) with a 0.92 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 10:53 PM
- Moonset
- 10:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Yardley at a glance
- Today vs. normal: 12°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 — Yardley
- Sat101°74°47%
- Sun95°72°93%
- Mon76°65°93%
- Tue66°60°68%
- Wed86°57°14%
- Thu90°68°26%
- Fri93°71°33%
- Sat82°72°30%
- Sun72°68°33%
- Mon71°66°18%
- Tue80°64°19%
- Wed90°67°22%
- Thu95°73°23%
- Fri96°79°33%
- Sat79°73°35%
- Sun88°70°36%
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 — Yardley
SPC has placed Yardley 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.
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
Yardley's warmest month is July (~77°F mean) and its coldest is January (~31°F). Rainfall peaks in August (4.2 inches) and bottoms out in October (3.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 31° | 3.5″ | 13 |
| February | 33° | 3.1″ | 12 |
| March | 42° | 3.8″ | 15 |
| April | 53° | 4.0″ | 16 |
| May | 61° | 3.7″ | 17 |
| June | 71° | 3.8″ | 17 |
| July | 77° | 3.8″ | 16 |
| August | 76° | 4.2″ | 17 |
| September | 69° | 3.7″ | 13 |
| October | 58° | 3.0″ | 11 |
| November | 45° | 3.7″ | 12 |
| December | 36° | 4.2″ | 13 |
Regional context
Per NOAA NCEI 1991-2020 normals, Yardley runs from a 31°F January mean to 77°F in July, a 46°F seasonal spread, with near 44.4 inches of precipitation across about 173 wet days.
Yardley's precipitation spreads evenly: August peaks at 4.2 inches on 17.2 wet days, while October holds 3.0 inches over 10.6 — no month dominates Yardley's rain calendar. That even rhythm groups Yardley with places like Woodside, PA, Woodbourne, PA and Morrisville, PA.
Once Yardley passes mid-April, overnight freezes fade and peas, lettuce, spinach, and radishes can be sown. Heat-demanding starts go out a fortnight on in Yardley, after the soil warms and cold snaps clear. Frost returns to Yardley near mid-November, ending the tender-crop season. A creek-bottom lot in Yardley can lag Yardley's last frost 7-10 days behind a south slope.
Similar climates: Woodside, PA, Woodbourne, PA, Morrisville, PA, Fairless Hills, PA, Newtown, PA.
Frequently asked
- When does it freeze in Yardley?
- In Yardley, expect the last spring frost near mid-April; Yardley's first autumn frost comes around mid-November.
- What is the rainy season in Yardley?
- Rainfall in Yardley peaks in August near 4.2 inches, out of about 44 inches annually.
- What is the warmest month in Yardley?
- On average July tops the year in Yardley at about 77°F.
- What is the coldest month in Yardley?
- The coldest stretch in Yardley falls in January, around 31°F on average.
- When can I start a vegetable garden in Yardley?
- In Yardley, sow peas and hardy greens around mid-April; Yardley's tomatoes and peppers wait two weeks more.
- How many rainy days does Yardley get?
- Expect roughly 173 wet days a year in Yardley.
- What hardiness zone is Yardley?
- With January around 31°F, Yardley's zone reflects that minimum — the USDA ZIP map confirms Yardley's band.
- What is the 10-day forecast for Yardley?
- Yardley'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 Yardley?
- See this week's day-by-day rain chances for Yardley in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Yardley?
- Current conditions for Yardley and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Yardley forecast updated?
- The Yardley forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Yardley?
- Today's sunrise and sunset times for Yardley 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 Yardley?
- The next few days in Yardley's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, Yardley, Pennsylvania swings from 31°F in the heart of winter to 77°F at midsummer — a 46°F arc.
In a typical year Yardley records about 44 inches of precipitation on around 173 days.
Yardley sits at 40.2°N; that 46°F seasonal swing frames planting windows and frost dates across Yardley.
ZIP codes in Yardley
- 19067