Philadelphia, PA 14-Day Forecast
Pennsylvania, United States 🇺🇸
98°
Sunny right now
Today: high 98°, low 73°
Updated 3 hours ago
Philadelphia weather for the next 14 days
Thursday, August 13
Partly Cloudy High 89° Low 71°Precipitation
58%
· 0.17 in
Max wind
11 mph
Humidity
64%
UV index
6 - High
Sunrise / sunset
06:10 AM / 08:00 PM
Friday, August 14
Sunny High 87° Low 70°Precipitation
1%
· 0.0 in
Max wind
8 mph
Humidity
43%
UV index
6 - High
Sunrise / sunset
06:11 AM / 07:59 PM
Saturday, August 15
Sunny High 85° Low 70°Precipitation
2%
· 0.0 in
Max wind
8 mph
Humidity
44%
UV index
8 - High
Sunrise / sunset
06:12 AM / 07:57 PM
Sunday, August 16
Patchy rain nearby High 88° Low 70°Precipitation
80%
· 0.55 in
Max wind
11 mph
Humidity
79%
UV index
7 - High
Sunrise / sunset
06:13 AM / 07:56 PM
Monday, August 17
Sunny High 86° Low 73°Precipitation
17%
· 0.01 in
Max wind
10 mph
Humidity
66%
UV index
7 - High
Sunrise / sunset
06:14 AM / 07:55 PM
Tuesday, August 18
Sunny High 86° Low 67°Precipitation
2%
· 0.0 in
Max wind
7 mph
Humidity
49%
UV index
7 - High
Sunrise / sunset
06:15 AM / 07:53 PM
Wednesday, August 19
Sunny High 90° Low 69°Precipitation
58%
· 0.23 in
Max wind
8 mph
Humidity
58%
UV index
8 - Very High
Sunrise / sunset
06:16 AM / 07:52 PM
Thursday, August 20
Sunny High 96° Low 71°Precipitation
58%
· 0.16 in
Max wind
14 mph
Humidity
66%
UV index
9 - Very High
Sunrise / sunset
06:17 AM / 07:50 PM
Friday, August 21
Sunny High 83° Low 70°Precipitation
2%
· 0.0 in
Max wind
11 mph
Humidity
48%
UV index
7 - High
Sunrise / sunset
06:18 AM / 07:49 PM
Saturday, August 22
Sunny High 80° Low 63°Precipitation
3%
· 0.0 in
Max wind
8 mph
Humidity
39%
UV index
7 - High
Sunrise / sunset
06:19 AM / 07:47 PM
Sunday, August 23
Sunny High 83° Low 70°Precipitation
69%
· 0.17 in
Max wind
7 mph
Humidity
70%
UV index
7 - High
Sunrise / sunset
06:20 AM / 07:46 PM
Monday, August 24
Sunny High 84° Low 68°Precipitation
3%
· 0.0 in
Max wind
6 mph
Humidity
51%
UV index
7 - High
Sunrise / sunset
06:21 AM / 07:44 PM
Tuesday, August 25
Patchy rain nearby High 80° Low 70°Precipitation
80%
· 0.3 in
Max wind
6 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
06:22 AM / 07:43 PM
Philadelphia 14-day outlook: the story
The warmest day of Philadelphia's 14-day outlook is Wednesday, August 12 with a high near 98°F (36°C); the coolest night comes Saturday, August 22, dipping to 63°F (17°C). The trend points cooler: week two runs about 3°F below week one. Highs over the next two weeks average 88°F (31°C), about 3°F (2°C) above the typical August high of 85°F (30°C).
Precipitation is most likely on Thursday 13, Sunday 16, Wednesday 19, Thursday 20 and beyond; the wettest day looks like Sunday, August 16 with about 0.55 in (13.9 mm) expected. For the weekend, expect Saturday 85°F (30°C) and sunny / Sunday 88°F (31°C) and patchy rain nearby.
For typical conditions month by month, see the Philadelphia climate & average temperatures guide.
Philadelphia forecast questions
Will it rain in Philadelphia this week?
The forecast currently shows meaningful precipitation chances on 6 of the next 14 days, peaking around Sunday, August 16.
What will be the warmest day in Philadelphia over the next 14 days?
Wednesday, August 12, with a forecast high near 98°F (36°C).
How accurate is a 14-day forecast for Philadelphia?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Philadelphia by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 42° | 27° | 10 | 3.6 in | 6.0 h/day | 66% |
| February | 46° | 28° | 10 | 3.5 in | 6.9 h/day | 66% |
| March | 53° | 34° | 10 | 4.3 in | 7.9 h/day | 63% |
| April | 63° | 44° | 11 | 4.2 in | 8.9 h/day | 64% |
| May | 73° | 54° | 12 | 4.2 in | 9.7 h/day | 68% |
| June | 82° | 64° | 12 | 4.2 in | 11.2 h/day | 67% |
| July | 88° | 70° | 14 | 4.7 in | 11.6 h/day | 70% |
| August | 85° | 69° | 12 | 4.5 in | 10.7 h/day | 71% |
| September | 79° | 62° | 10 | 4.1 in | 9.0 h/day | 71% |
| October | 68° | 51° | 9 | 3.8 in | 7.9 h/day | 71% |
| November | 56° | 39° | 8 | 3.0 in | 7.4 h/day | 68% |
| December | 47° | 33° | 10 | 4.3 in | 5.8 h/day | 71% |
14-day forecasts nearby