Outdoor conditions in

Irwin

Pennsylvania
Now
  1. 68°Partly Sunny5% rain78% humidityGusts 10 mph
  2. 70°Partly Sunny4% rain74% humidityGusts 10 mph
  3. 69°Mostly Cloudy7% rain77% humidityGusts 10 mph
  4. 69°Mostly Cloudy7% rain78% humidityGusts 12 mph
  5. 68°Mostly Cloudy6% rain78% humidityGusts 12 mph
  6. 65°Mostly Cloudy5% rain85% humidityGusts 14 mph
  7. 64°Mostly Cloudy8% rain90% humidityGusts 15 mph
  8. 63°Mostly Cloudy6% rain92% humidityGusts 15 mph
  9. 63°Isolated Rain Showers23% rain94% humidityGusts 16 mph
  10. 63°Scattered Showers And Thunderstorms47% rain96% humidityGusts 17 mph
  11. 64°Scattered Showers And Thunderstorms46% rain97% humidityGusts 20 mph
  12. 64°Scattered Showers And Thunderstorms51% rain100% humidityGusts 22 mph
  13. 66°Chance Showers And Thunderstorms57% rain100% humidityGusts 25 mph
  14. 67°Scattered Showers And Thunderstorms42% rain100% humidityGusts 26 mph
  15. 68°Isolated Showers And Thunderstorms21% rain100% humidityGusts 28 mph
  16. 69°Isolated Rain Showers15% rain95% humidityGusts 28 mph
  17. 69°Slight Chance Rain Showers19% rain94% humidityGusts 29 mph
  18. 69°Mostly Sunny12% rain93% humidityGusts 29 mph
  19. 69°Mostly Sunny10% rain92% humidityGusts 29 mph
  20. 70°Mostly Sunny10% rain88% humidityGusts 30 mph
  21. 72°Partly Sunny13% rain82% humidityGusts 29 mph
  22. 74°Chance Showers And Thunderstorms42% rain76% humidityGusts 31 mph
  23. 72°Showers And Thunderstorms Likely70% rain78% humidityGusts 32 mph
  24. 71°Showers And Thunderstorms80% rain81% humidityGusts 30 mph
Extra care for

A little farther out

The next five days

Today

Today has a real shower chance.

Rain
47%
Humidity
74–96%
Wind
17 mph
Fri

Friday looks wet for a meaningful stretch.

Rain
88%
Humidity
76–100%
Wind
32 mph
Sat

Saturday looks wet for a meaningful stretch.

Rain
70%
Humidity
47–100%
Wind
26 mph
Sun

Sunday looks fairly quiet.

Rain
8%
Humidity
42–89%
Wind
8 mph
Mon

Monday looks fairly quiet.

Rain
8%
Humidity
49–92%
Wind
9 mph
  1. 70° / 56°Today has a real shower chance.47% rain · Humidity 74–96% · Wind 17 mph
  2. 74° / 51°Friday looks wet for a meaningful stretch.88% rain · Humidity 76–100% · Wind 32 mph
  3. 50° / 38°Saturday looks wet for a meaningful stretch.70% rain · Humidity 47–100% · Wind 26 mph
  4. 60° / 32°Sunday looks fairly quiet.8% rain · Humidity 42–89% · Wind 8 mph
  5. 63° / 36°Monday looks fairly quiet.8% rain · Humidity 49–92% · Wind 9 mph

Environmental watch

Air quality + smoke

Air quality

Mon Valley Area · Updated Thu 1:26 PM
27GoodUS AQI

Good through Fri 12 PM.

Sky check

No plume detected overhead

Satellite view · Updated Thu 8:45 AM

Air near ground27 · Good US AQI

Rain, in motion · Past four hours

Irwin radar

Ready when you areSee what is moving toward Irwin.

Watch the last four hours of rain, then search any nearby trail, lake, or address.

View the official forecast ↗

Outdoor fire check

Thinking about a backyard fire?

Use extra caution.

There is no lower-concern three-hour stretch in the next 12 hours.

Next 12 hoursChoose a time to see what is driving the concern.
Selected timeNowUse caution

Thunder is possible.

Humidity
78%
Wind
6 mph
Gusts
10 mph

Check local rules. Weather is only part of the decision. Check city, county, and land-manager fire restrictions before lighting any outdoor fire.

Nearby regional view

Explore Pittsburgh

About 13 miles away, the Pittsburgh hub looks more deeply at Pittsburgh, PA. It reflects that wider area rather than Irwin’s exact conditions.

About these readingsSources and local limits

Weather

Forecasts, alerts, and radar come from NOAA and the National Weather Service.

Air quality

This reading describes Mon Valley Area, about 9 miles away. Conditions can differ at this exact spot.

Smoke

Satellite imagery shows smoke overhead. It cannot tell us how much smoke has reached breathing level.

This page represents Irwin, PA, so conditions can vary from street to street. Environmental data: AirNow · participating air agencies · preliminary real-time US AQI · NOAA Hazard Mapping System · satellite-observed smoke.