Philadelphia, Pennsylvania weather

Current conditions, hourly and 7-day forecast, official alerts, and air quality for Philadelphia, United States. Coordinates 39.95, -75.16 · America/New_York.

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Philadelphia, Pennsylvania

United States · America/New_York

73°F

Clear sky

Feels like 73° · High 79° / Low 61°

Precipitation: 0%
Wind: 6 NNWmph
Humidity: 76%
Visibility: 0.0mi
Pressure: 1018hPa
Dew point: 65°F
UV index: 7.3
Air quality: 62

Sunrise 2 AM Sunset 2 PM Cloud cover 11% Wind direction NNW

Source updated: 2:43:49 AM · WeatherSignal checked: 2:43:49 AM

Source: Open-Meteo (national weather-service models)

WeatherSignal Right Now

Plain-language answers calculated from this location's own forecast values — see how each one works on our methodology page.

Today's Weather Score

90/100

Excellent day

Starts at 100 and subtracts published penalties for heat, cold, rain, wind, UV, humidity, low visibility, and active official alerts.

Visibility 0.0 mi-10

How this score is calculated

Right now

It's 73°, clear sky, 76% humidity.

Today's high is 9° cooler than the average of the next 6 days.

Umbrella or nah?
Nah(Favourable)
Nothing in the next 12 hours reaches a 40% chance of rain. Peak chance is 0%.
Why
- Peak precipitation probability: 0%
- Total expected precipitation: 0.00″
Best time today
10 AM(Favourable)
10 AM has the most comfortable combination of temperature, rain chance, wind, and humidity in the remaining daylight hours.
Why
- Feels like 69°
- Rain chance 0%
- Wind 6 mph
- Humidity 61%
Car wash check
Go for it(Favourable)
No hour in the next 48 hours reaches a 50% chance of rain or measurable precipitation.
Why
- No precipitation at or above 50% chance within 48 hours
- Current wind: 6 mph
Dog walk window
12 AM(Favourable)
12 AM is the calmest hour in the 25–85° feels-like range with rain chance under 40%.
Why
- Feels like 70°
- Rain chance 0%
Cookout check
Green light(Favourable)
Between 4 PM and 9 PM: up to 0% rain chance, wind to 5 mph, feels like 70–79°.
Why
- Evening peak rain chance: 0%
- Evening peak wind: 5 mph
Windows down?
Roll 'em down(Favourable)
Feels like 73°, 0% rain chance, wind 6 mph. Comfortable range used here: 58–84° with rain chance under 20% and wind under 18 mph.
Why
- Feels like 73°
- Rain chance 0%
- Wind 6 mph
Hair weather
Frizz risk high(Unfavourable)
Relative humidity is 76% with a 65° dew point. Moisture in the air is what swells hair strands, so dew point matters more than temperature.
Why
- Humidity 76%
- Dew point 65°

These are WeatherSignal calculations, not official forecasts or warnings. They never override guidance from your national weather service.

What this means

Generated from the forecast values above using fixed rules — not an AI guess.

No significant precipitation is expected in the next 24 hours.
Heat builds to 96°F on Thursday.

Next 24 hours

Will it rain during your commute? When does the storm arrive?

Hourly forecast for the next 24 hours
Time	Condition	Temp	Feels	Precip %	Amount	Wind	Humidity
11 PM	Clear sky	72°	72°	0%	0.00″	9 N	72%
12 AM	Clear sky	70°	70°	0%	0.00″	8 N	71%
1 AM	Clear sky	68°	68°	0%	0.00″	8 N	70%
2 AM	Clear sky	66°	66°	0%	0.00″	9 N	69%
3 AM	Clear sky	65°	65°	0%	0.00″	8 N	68%
4 AM	Clear sky	64°	64°	0%	0.00″	7 N	69%
5 AM	Clear sky	62°	62°	0%	0.00″	7 N	72%
6 AM	Clear sky	62°	62°	0%	0.00″	7 N	74%
7 AM	Clear sky	61°	61°	0%	0.00″	6 N	75%
8 AM	Clear sky	63°	63°	0%	0.00″	6 N	72%
9 AM	Clear sky	66°	66°	0%	0.00″	6 N	67%
10 AM	Clear sky	69°	69°	0%	0.00″	6 NNE	61%
11 AM	Clear sky	72°	72°	0%	0.00″	5 NNE	54%
12 PM	Clear sky	74°	74°	0%	0.00″	4 NE	49%
1 PM	Clear sky	76°	76°	0%	0.00″	2 NE	47%
2 PM	Clear sky	77°	77°	0%	0.00″	2 NNW	44%
3 PM	Clear sky	78°	78°	0%	0.00″	3 NW	42%
4 PM	Clear sky	79°	79°	0%	0.00″	4 WNW	41%
5 PM	Clear sky	78°	78°	0%	0.00″	5 WNW	40%
6 PM	Clear sky	77°	77°	0%	0.00″	5 NW	42%
7 PM	Clear sky	74°	74°	0%	0.00″	3 NW	55%
8 PM	Clear sky	71°	71°	0%	0.00″	3 NNW	62%
9 PM	Clear sky	70°	70°	0%	0.00″	2 N	66%
10 PM	Clear sky	69°	69°	0%	0.00″	1 NE	70%

7-day forecast

Confidence decreases the further out you look.

Today
Clear sky
79° / 61°
Precip:
0% · 0.00″
Wind:
9 mph
UV:
7.3
Sun:
2 AM–2 PM
Sun, Aug 30
Clear sky
84° / 63°
Precip:
0% · 0.04″
Wind:
11 mph
UV:
7.3
Sun:
2 AM–2 PM
Mon, Aug 31
Mainly clear
83° / 70°
Precip:
0% · 0.03″
Wind:
8 mph
UV:
6.9
Sun:
2 AM–2 PM
Tue, Sep 1
Clear sky
88° / 72°
Precip:
0% · 0.00″
Wind:
4 mph
UV:
0.0
Sun:
2 AM–2 PM
Wed, Sep 2
Clear sky
95° / 77°
Precip:
0% · 0.00″
Wind:
6 mph
UV:
0.0
Sun:
2 AM–2 PM
Lower confidence — long-range outlook, not a certainty.
Thu, Sep 3
Clear sky
96° / 79°
Precip:
0% · 0.00″
Wind:
8 mph
UV:
0.0
Sun:
2 AM–2 PM
Lower confidence — long-range outlook, not a certainty.
Fri, Sep 4
Clear sky
80° / 67°
Precip:
0% · 0.00″
Wind:
9 mph
UV:
0.0
Sun:
2 AM–2 PM
Lower confidence — long-range outlook, not a certainty.

Forecasts describe likely conditions, not guaranteed outcomes. Official warnings from your national weather service always take precedence over anything shown here.

Air quality

US EPA AQI · Moderate

AQI: 62
Primary: Ozone
PM2.5: 9.2µg/m³
PM10: 9.3µg/m³
Ozone: 58.0µg/m³
Dust: 0.0µg/m³

Unusually sensitive people should consider shortening intense outdoor activity.

Air-quality guidance comes from the published category definitions of the source scale. WeatherSignal does not provide medical advice.

Source updated: not provided · WeatherSignal checked: 2:43:49 AM

Source: Open-Meteo Air Quality (CAMS / US EPA scale)

Radar & storm tracking

Animated precipitation radar centred on this area.

Air quality detail

Pollutants, category, and official guidance.

Travel & outdoor planning

Rain-free windows, commute weather, best time outside.

Philadelphia, Pennsylvania weather