Wyndmoor, Pennsylvania Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Wyndmoor weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle59%0.02″89°71°—
- MondayJul 6Heavy Rain57%0.86″72°68°-17°
- TuesdayJul 7Foggy58%—69°64°-3°
- WednesdayJul 8Overcast39%—82°64°+13°
- ThursdayJul 9Light Drizzle28%—87°69°+5°
- FridayJul 10Overcast36%—87°71°0°
- SaturdayJul 11Overcast37%—85°68°-2°
AQI 102 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 62 in the last 6 hours — air quality is degrading. Ozone at AQI 133 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 133 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 133
- UV peak
- 1.0 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 133
PM × Wind × Precip
PM2.5 at 13.3 µg/m³ (AQI 59) with a 0.93 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- Wind
- calm
- 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
- 11:18 PM
- Moonset
- 11:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Wyndmoor at a glance
- Today vs. normal: 17°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 — Wyndmoor
- Sun89°71°59%
- Mon72°68°57%
- Tue69°64°58%
- Wed82°64°39%
- Thu87°69°28%
- Fri87°71°36%
- Sat85°68°37%
- Sun80°68°18%
- Mon87°67°16%
- Tue72°64°12%
- Wed75°64°15%
- Thu76°62°23%
- Fri86°66°21%
- Sat88°68°23%
- Sun78°69°26%
- Mon69°66°25%
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 — Wyndmoor
SPC has placed Wyndmoor in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 186 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
Wyndmoor's warmest month is July (~77°F mean) and its coldest is January (~31°F). Rainfall peaks in December (4.2 inches) and bottoms out in February (2.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 31° | 3.4″ | 13 |
| February | 33° | 2.9″ | 12 |
| March | 42° | 3.7″ | 15 |
| April | 53° | 3.9″ | 17 |
| May | 61° | 3.7″ | 17 |
| June | 71° | 3.7″ | 17 |
| July | 77° | 3.3″ | 16 |
| August | 75° | 4.0″ | 17 |
| September | 69° | 3.7″ | 13 |
| October | 58° | 3.0″ | 11 |
| November | 45° | 3.6″ | 13 |
| December | 36° | 4.2″ | 13 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Wyndmoor's January averages 31°F and July 77°F — 46°F apart — while precipitation totals roughly 43.1 inches over some 173 days.
Rainfall in Wyndmoor stays even across the calendar: December tops out at 4.2 inches over 13.0 rainy days, and February still logs 2.9 inches across 12.4 — a narrow range for Wyndmoor. That lines Wyndmoor up with places like Flourtown, PA, Arcadia University, PA and Oreland, PA, fed by overlapping storm tracks.
The cool-season window in Wyndmoor starts at mid-April, when nights stop freezing — think peas, lettuce, spinach, and radishes. Hold Wyndmoor's tender crops — tomatoes, peppers, basil — until 10-14 days past Wyndmoor's last frost. Wyndmoor's window closes around mid-November as overnight lows return below freezing. Within Wyndmoor, cold-air pooling chills low spots by 5-10°F, shifting Wyndmoor's local frost dates.
Similar climates: Flourtown, PA, Arcadia University, PA, Oreland, PA, Glenside, PA, Wyncote, PA.
Frequently asked
- When does it freeze in Wyndmoor?
- In Wyndmoor, expect the last spring frost near mid-April; Wyndmoor's first autumn frost comes around mid-November.
- What is the rainy season in Wyndmoor?
- December is the wettest month in Wyndmoor, about 4.2 inches on average; the year totals roughly 43 inches.
- What is the warmest month in Wyndmoor?
- The warmest stretch in Wyndmoor comes in July, around 77°F on average.
- What is the coldest month in Wyndmoor?
- On average January is the chilliest month in Wyndmoor, about 31°F.
- When can I start a vegetable garden in Wyndmoor?
- Time tomatoes in Wyndmoor for two weeks after mid-April; peas and greens start at Wyndmoor's frost line.
- How many rainy days does Wyndmoor get?
- Expect roughly 173 wet days a year in Wyndmoor.
- What hardiness zone is Wyndmoor?
- Wyndmoor sits in the USDA zone set by January lows near 31°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Wyndmoor?
- Wyndmoor'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 Wyndmoor?
- See this week's day-by-day rain chances for Wyndmoor in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Wyndmoor?
- Current conditions for Wyndmoor and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Wyndmoor forecast updated?
- The Wyndmoor forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Wyndmoor?
- Today's sunrise and sunset times for Wyndmoor 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 Wyndmoor?
- The next few days in Wyndmoor's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Wyndmoor, Pennsylvania occupies a warm-summer humid continental zone, with January means near 31°F and July around 77°F — a 46°F swing.
Yearly precipitation in Wyndmoor totals around 43 inches, spread over about 173 days of rain or snow.
Latitude 40.1°N gives Wyndmoor its 46°F swing, and with it the rhythm of Wyndmoor's growing season.
ZIP codes in Wyndmoor
- 19038