Plymouth Meeting, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Plymouth Meeting weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle51%0.01″103°74°—
- SundayJul 5Heavy Rain92%3.3″96°72°-7°
- MondayJul 6T-storm w/ Hail92%0.27″75°65°-21°
- TuesdayJul 7Light Drizzle72%0.01″69°62°-6°
- WednesdayJul 8Mostly Clear15%—85°59°+16°
- ThursdayJul 9Mostly Clear28%—91°67°+6°
- FridayJul 10Light Drizzle33%—92°71°+1°
AQI 64 (Moderate), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 20.0 µg/m³ (AQI 71) with a 0.89 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 45 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 28 around 1 PM.
- Present
- AQI 45
- UV peak
- 4.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 28
PM × Wind × Precip
PM2.5 at 20.0 µg/m³ (AQI 71) with a 0.89 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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
- 10:55 PM
- Moonset
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Plymouth Meeting at a glance
- Today vs. normal: 11°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.
ZIP code: 19462
16-Day Forecast — Plymouth Meeting
- Sat102°74°51%
- Sun96°72°92%
- Mon75°65°92%
- Tue69°62°72%
- Wed85°59°15%
- Thu91°67°28%
- Fri92°71°33%
- Sat82°72°33%
- Sun74°68°30%
- Mon72°67°16%
- Tue82°65°16%
- Wed90°67°24%
- Thu94°74°23%
- Fri96°77°34%
- Sat78°72°39%
- Sun89°70°35%
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 — Plymouth Meeting
SPC has placed Plymouth Meeting 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
The year in Plymouth Meeting tops out in July (~77°F) and dips lowest in January (~31°F), with December wettest at 4.2 inches and February driest at 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
By the nearest station's NOAA NCEI 1991-2020 normals, Plymouth Meeting sees 31°F Januarys and 77°F Julys, a 46°F range, plus around 43.1 inches of precipitation across 173 days.
No season owns Plymouth Meeting's rain: December reaches 4.2 inches across 13.0 days and February keeps 2.9 inches on 12.4, an even spread through Plymouth Meeting's year. That lines Plymouth Meeting up with places like Conshohocken, PA, Swedesburg, PA and Blue Bell, PA, fed by overlapping storm tracks.
The cool-season window in Plymouth Meeting starts at mid-April, when nights stop freezing — think peas, lettuce, spinach, and radishes. Hold Plymouth Meeting's tender crops — tomatoes, peppers, basil — until 10-14 days past Plymouth Meeting's last frost. Plymouth Meeting's window closes around mid-November as overnight lows return below freezing. Within Plymouth Meeting, cold-air pooling chills low spots by 5-10°F, shifting Plymouth Meeting's local frost dates.
Similar climates: Conshohocken, PA, Swedesburg, PA, Blue Bell, PA, Swedeland, PA, Norristown, PA.
Frequently asked
- When does it freeze in Plymouth Meeting?
- Plymouth Meeting's last spring frost lands near mid-April, and in Plymouth Meeting the first fall frost follows around mid-November.
- What is the rainy season in Plymouth Meeting?
- Rainfall in Plymouth Meeting peaks in December near 4.2 inches, out of about 43 inches annually.
- What is the warmest month in Plymouth Meeting?
- The warmest stretch in Plymouth Meeting comes in July, around 77°F on average.
- What is the coldest month in Plymouth Meeting?
- On average January is the chilliest month in Plymouth Meeting, about 31°F.
- When can I start a vegetable garden in Plymouth Meeting?
- Plymouth Meeting's last frost (mid-April) cues hardy greens; in Plymouth Meeting, hold heat-lovers two weeks past.
- How many rainy days does Plymouth Meeting get?
- Plymouth Meeting averages about 173 days with measurable rain or snow each year.
- What hardiness zone is Plymouth Meeting?
- Plymouth Meeting's hardiness zone tracks its winter low; with January near 31°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Plymouth Meeting?
- Plymouth Meeting'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 Plymouth Meeting?
- See this week's day-by-day rain chances for Plymouth Meeting in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Plymouth Meeting?
- Current conditions for Plymouth Meeting and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Plymouth Meeting forecast updated?
- The Plymouth Meeting forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Plymouth Meeting?
- Today's sunrise and sunset times for Plymouth Meeting 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 Plymouth Meeting?
- The next few days in Plymouth Meeting's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Plymouth Meeting, Pennsylvania has a warm-summer humid continental climate: January averages roughly 31°F, July about 77°F, 46°F between them.
Rain and snow bring Plymouth Meeting roughly 43 inches a year across approximately 173 measurable-precipitation days.
At 40.1°N, Plymouth Meeting's 46°F summer-to-winter swing sets when Plymouth Meeting's gardens wake and when frost returns.
ZIP codes in Plymouth Meeting
- 19462