This page presents a long range weather forecast for Pennsylvania in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The Pennsylvania extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
26° / 16°
Thursday
May 2
25° / 13°
Friday
May 3
25° / 12°
Saturday
May 4
12° / 10°
Sunday
May 5
12° / 10°
Monday
May 6
22° / 10°
Tuesday
May 7
25° / 15°
Wednesday
May 8
21° / 16°
Thursday
May 9
19° / 14°
Friday
May 10
19° / 10°
Saturday
May 11
20° / 11°
Sunday
May 12
24° / 14°
Monday
May 13
22° / 18°
Tuesday
May 14
20° / 12°
Wednesday
May 15
25° / 13°
Thursday
May 16
25° / 16°
Friday
May 17
22° / 13°
Saturday
May 18
23° / 12°
Sunday
May 19
25° / 14°
Monday
May 20
27° / 17°
Tuesday
May 21
26° / 15°
Wednesday
May 22
26° / 16°
Thursday
May 23
25° / 15°
Friday
May 24
23° / 16°
Saturday
May 25
25° / 14°
Sunday
May 26
27° / 15°
Monday
May 27
26° / 18°
Tuesday
May 28
24° / 16°
Wednesday
May 29
26° / 16°
Thursday
May 30
25° / 16°
Friday
May 31
27° / 15°
Pennsylvania 30 days weather forecast
Check out our estimated 30 days weather forecast for Pennsylvania, this data is based on the average weather in Pennsylvania in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Pennsylvania next to the desired date.