Irwin, PA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Irwin, PA in one place.
A chance of showers and thunderstorms between 8am and 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely. Partly sunny, with a high near 77. Southwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Irwin, PA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 13, 2026 9:46 PM EDT.
The active forecast window currently covers Oct 14 to Oct 20, 2026 for Irwin, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 9:46 PM EDT
- Forecast office
- PBZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Irwin
Wednesday looks like the warmest upcoming period in Irwin at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Friday at about 18 to 24 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 9:46 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- PBZ
- Radar station
- KPBZ
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 9pm. Mostly cloudy, with a low around 55. North wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers between 8am and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 71. East wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms. Cloudy, with a low around 62. South wind 7 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 68. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 51.
Mostly clear, with a low around 32.
Sunny, with a high near 61.
Mostly clear, with a low around 38.
Mostly sunny, with a high near 64.
Mostly cloudy, with a low around 43.
Mostly sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms
|
77°F |
10 mph
SW
|
|
Wednesday Night
Oct 14
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
55°F |
6 to 9 mph
N
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
71°F |
7 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
62°F |
7 to 18 mph
S
|
|
Friday
Oct 16
|
Showers And Thunderstorms
|
68°F |
18 to 24 mph
W
|
|
Friday Night
Oct 16
|
Rain Showers Likely
|
38°F |
18 to 23 mph
NW
|
|
Saturday
Oct 17
|
Slight Chance Rain Showers then Mostly Sunny
|
51°F |
18 to 23 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
32°F |
2 to 15 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
61°F |
3 to 7 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
38°F |
6 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
64°F |
5 to 9 mph
S
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
43°F |
2 to 7 mph
S
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
66°F |
2 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Irwin.