Philadelphia, Pennsylvania Weather
Last leaves cling stubbornly. Day 50 of autumn. Read this microseason across nine climate regions →
Philadelphia weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 4:18 PM EST · Open-Meteo
- TodayNov 10Clear——66°44°—
- WednesdayNov 11Clear——63°42°-3°
- ThursdayNov 12Light Drizzle73%—60°46°-3°
- FridayNov 13Overcast40%—51°40°-9°
- SaturdayNov 14Overcast21%—48°37°-3°
- SundayNov 15Overcast——50°39°+2°
- MondayNov 16Overcast——52°41°+2°
Air quality now AQI 48 · Good
AQI 48 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.5 µg/m³, PM10 at 7.6 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 32 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 32
- UV peak
- 0.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 32
PM × Wind × Precip
PM2.5 at 7.5 µg/m³, PM10 at 7.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.99
- 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).
When the wind is in the west, the weather is at its best.
- Moonrise
- 8:18 AM
- Moonset
- 5:24 PM
- In sign
- ♐︎ Sagittarius
Last leaves cling stubbornly
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Philadelphia at a glance
- Today vs. normal: Today averages 55°F (high 66°F, low 44°F), 8°F above the 47°F normal for Nov 10
- Last frost: March 30 (1991–2020 median, NOAA station 6 km away)
- Microseason: Nov 6–10
- Planting calendar: November — harvest tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
16-Day Forecast — Philadelphia
- Tue66°45°0%
- Wed63°41°3%
- Thu60°46°69%
- Fri51°40°43%
- Sat48°37°17%
- Sun50°39°0%
- Mon52°41°2%
- Tue50°41°4%
- Wed53°42°5%
- Thu53°39°3%
- Fri54°42°5%
- Sat58°43°13%
- Sun67°48°35%
- Mon65°42°39%
- Tue42°33°23%
- Wed43°32°17%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Philadelphia
Interactive wind and temperature map centered on Philadelphia — it loads in your browser. Open the full weather map.
Right now in the garden
Fall planting + final harvests
As of November 10, the season's first frost (typically November 17) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for November: harvest tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, and carrots.
SPC Convective Outlook
Storm Prediction Center — Philadelphia
SPC includes Philadelphia in the general thunderstorm area day after tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook.
Sun & seasons in Philadelphia
Philadelphia sits in Philadelphia County, where the year’s longest day runs 15h 1m of daylight and its shortest just 9h 19m — a swing of +5h 42m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Philadelphia is the state’s largest city. The nearest town Philadelphia tracks is Trumbauersville, roughly 31 miles to the NNW.
Air quality in Philadelphia
Air quality in Philadelphia’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 47). See the full air-quality history for Philadelphia.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, garlic |
| August | tomatoes, peppers, beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
July is Philadelphia's warmest stretch (~77°F) and January its coldest (~31°F); precipitation crests in December at 4.2 inches and ebbs in February to 2.9 inches.
| Month | Mean temp | Precip |
|---|---|---|
| January | 31° | 3.4″ |
| February | 33° | 2.9″ |
| March | 42° | 3.7″ |
| April | 53° | 3.9″ |
| May | 61° | 3.7″ |
| June | 71° | 3.7″ |
| July | 77° | 3.3″ |
| August | 75° | 4.0″ |
| September | 69° | 3.7″ |
| October | 58° | 3.0″ |
| November | 45° | 3.6″ |
| December | 36° | 4.2″ |
Regional context
Similar climates Oak Lane, PA, Melrose Park, PA, Cheltenham Village, PA
By modelled 1991-2020 normals (EC_Earth3P_HR model via Open-Meteo), Philadelphia sees 31°F Januarys and 77°F Julys, a 46°F range, plus around 43.1 inches of precipitation.
Philadelphia's precipitation spreads evenly across the seasons: December peaks at 4.2 inches, while February holds 2.9 inches — no season dominates Philadelphia's rain calendar. It is a balanced pattern Philadelphia shares with places like Oak Lane, PA, Melrose Park, PA and Cheltenham Village, PA.
Philadelphia's growing window opens around March 30, once Philadelphia's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. Hold Philadelphia's tender crops — tomatoes, peppers, basil — until 10-14 days past Philadelphia's last frost. Around November 17, freezing nights resume in Philadelphia and tender crops must come in. In about half of years, Philadelphia's last freeze comes after March 30.
Similar climates: Oak Lane, PA, Melrose Park, PA, Cheltenham Village, PA, Elkins Park, PA, Bala Cynwyd, PA.
Frequently asked
- When does it freeze in Philadelphia?
- Philadelphia's last spring frost lands near March 30, and in Philadelphia the first fall frost follows around November 17.
- What is the rainy season in Philadelphia?
- Rainfall in Philadelphia peaks in December near 4.2 inches, out of about 43 inches annually.
- What is the warmest month in Philadelphia?
- The warmest stretch in Philadelphia comes in July, around 77°F on average.
- What is the coldest month in Philadelphia?
- On average January is the chilliest month in Philadelphia, about 31°F.
- When can I start a vegetable garden in Philadelphia?
- Time tomatoes in Philadelphia for two weeks after March 30; peas and greens start at Philadelphia's frost line.
- What hardiness zone is Philadelphia?
- Philadelphia's USDA zone comes from its January mean (31°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Philadelphia?
- Philadelphia'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 Philadelphia?
- See this week's day-by-day rain chances for Philadelphia in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Philadelphia?
- Current conditions for Philadelphia and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Philadelphia forecast updated?
- The Philadelphia forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Philadelphia?
- Today's sunrise and sunset times for Philadelphia 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 Philadelphia?
- The next few days in Philadelphia's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Philadelphia sits at 40.0°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in Philadelphia
- 19019
- 19092
- 19093
- 19101
- 19102
- 19103
- 19104
- 19105
- 19106
- 19107
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- 19109
- 19110
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- 19197
- 19244
- 19255