Outdoor conditions in

Castle Shannon

Pennsylvania
Now
  1. 58°Sunny2% rain92% humidityGusts 13 mph
  2. 60°Sunny3% rain86% humidityGusts 12 mph
  3. 64°Mostly Sunny3% rain79% humidityGusts 9 mph
  4. 65°Mostly Sunny5% rain79% humidityGusts 9 mph
  5. 67°Mostly Sunny5% rain78% humidityGusts 8 mph
  6. 69°Partly Sunny4% rain75% humidityGusts 9 mph
  7. 69°Mostly Cloudy7% rain78% humidityGusts 9 mph
  8. 68°Cloudy7% rain80% humidityGusts 9 mph
  9. 68°Mostly Cloudy5% rain81% humidityGusts 9 mph
  10. 66°Mostly Cloudy4% rain86% humidityGusts 12 mph
  11. 64°Mostly Cloudy6% rain89% humidityGusts 13 mph
  12. 64°Mostly Cloudy5% rain93% humidityGusts 14 mph
  13. 64°Scattered Rain Showers25% rain95% humidityGusts 16 mph
  14. 64°Scattered Showers And Thunderstorms45% rain96% humidityGusts 17 mph
  15. 65°Scattered Showers And Thunderstorms37% rain98% humidityGusts 20 mph
  16. 65°Scattered Showers And Thunderstorms49% rain100% humidityGusts 22 mph
  17. 67°Scattered Showers And Thunderstorms45% rain100% humidityGusts 24 mph
  18. 68°Scattered Showers And Thunderstorms33% rain98% humidityGusts 25 mph
  19. 68°Isolated Showers And Thunderstorms16% rain97% humidityGusts 26 mph
  20. 70°Isolated Rain Showers17% rain92% humidityGusts 28 mph
  21. 69°Slight Chance Rain Showers18% rain92% humidityGusts 28 mph
  22. 69°Sunny14% rain90% humidityGusts 28 mph
  23. 68°Mostly Sunny9% rain90% humidityGusts 28 mph
  24. 69°Slight Chance Rain Showers15% rain89% humidityGusts 30 mph
Extra care for

A little farther out

The next five days

Today

Today has a real shower chance.

Rain
45%
Humidity
75–96%
Wind
17 mph
Fri

Friday looks wet for a meaningful stretch.

Rain
84%
Humidity
79–100%
Wind
32 mph
Sat

Saturday looks wet for a meaningful stretch.

Rain
71%
Humidity
48–97%
Wind
26 mph
Sun

Sunday looks fairly quiet.

Rain
7%
Humidity
42–86%
Wind
9 mph
Mon

Monday looks fairly quiet.

Rain
7%
Humidity
48–89%
Wind
9 mph
  1. 69° / 55°Today has a real shower chance.45% rain · Humidity 75–96% · Wind 17 mph
  2. 72° / 52°Friday looks wet for a meaningful stretch.84% rain · Humidity 79–100% · Wind 32 mph
  3. 50° / 40°Saturday looks wet for a meaningful stretch.71% rain · Humidity 48–97% · Wind 26 mph
  4. 59° / 34°Sunday looks fairly quiet.7% rain · Humidity 42–86% · Wind 9 mph
  5. 62° / 38°Monday looks fairly quiet.7% rain · Humidity 48–89% · Wind 9 mph

Environmental watch

Air quality + smoke

Air quality

Mon Valley Area · Updated Thu 10:25 AM
29GoodUS AQI

Good through Fri 12 PM.

Sky check

No plume detected overhead

Satellite view · Updated Thu 8:45 AM

Air near ground29 · Good US AQI

Rain, in motion · Past four hours

Castle Shannon radar

Ready when you areSee what is moving toward Castle Shannon.

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
92%
Wind
7 mph
Gusts
13 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 11 miles away, the Pittsburgh hub looks more deeply at Pittsburgh, PA. It reflects that wider area rather than Castle Shannon’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 Castle Shannon, 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.