Philadelphia, PA 14-Day Forecast
Pennsylvania, United States 🇺🇸
83°
Overcast right now
Today: high 88°, low 63°
Updated 1 hour ago
Philadelphia weather for the next 14 days
Thursday, August 27
Overcast High 85° Low 69°Precipitation
84%
· 2.58 in
Max wind
17 mph
Humidity
78%
UV index
7 - High
Sunrise / sunset
06:23 AM / 07:40 PM
Friday, August 28
Overcast High 84° Low 69°Precipitation
86%
· 0.44 in
Max wind
10 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
06:24 AM / 07:38 PM
Saturday, August 29
Overcast High 83° Low 68°Precipitation
13%
· 0.0 in
Max wind
6 mph
Humidity
57%
UV index
7 - High
Sunrise / sunset
06:25 AM / 07:37 PM
Sunday, August 30
Sunny High 87° Low 64°Precipitation
8%
· 0.0 in
Max wind
9 mph
Humidity
58%
UV index
7 - High
Sunrise / sunset
06:26 AM / 07:35 PM
Monday, August 31
Overcast High 82° Low 74°Precipitation
52%
· 0.04 in
Max wind
10 mph
Humidity
72%
UV index
7 - High
Sunrise / sunset
06:27 AM / 07:34 PM
Tuesday, September 1
Overcast High 96° Low 72°Precipitation
57%
· 0.06 in
Max wind
11 mph
Humidity
61%
UV index
9 - Very High
Sunrise / sunset
06:28 AM / 07:32 PM
Wednesday, September 2
Patchy rain nearby High 75° Low 71°Precipitation
87%
· 0.2 in
Max wind
10 mph
Humidity
89%
UV index
5 - Moderate
Sunrise / sunset
06:29 AM / 07:31 PM
Thursday, September 3
Light rain shower High 71° Low 69°Precipitation
94%
· 0.45 in
Max wind
7 mph
Humidity
96%
UV index
5 - Moderate
Sunrise / sunset
06:30 AM / 07:29 PM
Friday, September 4
Fog High 90° Low 70°Precipitation
64%
· 0.07 in
Max wind
14 mph
Humidity
76%
UV index
8 - Very High
Sunrise / sunset
06:31 AM / 07:27 PM
Saturday, September 5
Sunny High 81° Low 66°Precipitation
3%
· 0.0 in
Max wind
15 mph
Humidity
54%
UV index
7 - High
Sunrise / sunset
06:32 AM / 07:26 PM
Sunday, September 6
Sunny High 73° Low 64°Precipitation
7%
· 0.0 in
Max wind
12 mph
Humidity
60%
UV index
6 - High
Sunrise / sunset
06:33 AM / 07:24 PM
Monday, September 7
Patchy rain nearby High 69° Low 66°Precipitation
85%
· 0.28 in
Max wind
14 mph
Humidity
83%
UV index
4 - Moderate
Sunrise / sunset
06:34 AM / 07:23 PM
Tuesday, September 8
Overcast High 71° Low 61°Precipitation
69%
· 0.13 in
Max wind
12 mph
Humidity
64%
UV index
5 - Moderate
Sunrise / sunset
06:35 AM / 07:21 PM
Philadelphia 14-day outlook: the story
The warmest day of Philadelphia's 14-day outlook is Tuesday, September 1 with a high near 96°F (36°C); the coolest night comes Tuesday, September 8, dipping to 61°F (16°C). The trend points cooler: week two runs about 11°F below week one. Highs over the next two weeks average 86°F (30°C), right in line with the typical August high of 85°F (30°C).
Precipitation is most likely on Thursday 27, Friday 28, Monday 31, Tuesday 1 and beyond; the wettest day looks like Thursday, August 27 with about 2.58 in (65.7 mm) expected. For the weekend, expect Saturday 83°F (28°C) and overcast / Sunday 87°F (31°C) and sunny.
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 9 of the next 14 days, peaking around Thursday, August 27.
What will be the warmest day in Philadelphia over the next 14 days?
Tuesday, September 1, with a forecast high near 96°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