Today looks fairly quiet.
- Rain
- 12%
- Humidity
- 58–83%
- Wind
- 12 mph
Outdoor planning
Now
- 59°Mostly Sunny0% rain69% humidityGusts 8 mph
- 61°Mostly Sunny0% rain65% humidityGusts 7 mph
- 63°Mostly Sunny0% rain62% humidityGusts 6 mph
- 64°Mostly Sunny0% rain60% humidityGusts 5 mph
- 65°Mostly Sunny0% rain58% humidityGusts 6 mph
- 65°Mostly Sunny0% rain58% humidityGusts 6 mph
- 64°Mostly Sunny1% rain58% humidityGusts 7 mph
- 62°Partly Cloudy3% rain65% humidityGusts 7 mph
- 59°Mostly Cloudy5% rain69% humidityGusts 7 mph
- 57°Mostly Cloudy8% rain75% humidityGusts 8 mph
- 56°Mostly Cloudy9% rain80% humidityGusts 9 mph
- 55°Mostly Cloudy10% rain83% humidityGusts 10 mph
- 55°Mostly Cloudy12% rain83% humidityGusts 12 mph
- 55°Chance Rain Showers33% rain83% humidityGusts 10 mph
- 55°Rain Showers Likely55% rain86% humidityGusts 10 mph
- 54°Rain Showers77% rain93% humidityGusts 9 mph
- 55°Rain Showers78% rain93% humidityGusts 10 mph
- 55°Rain Showers80% rain96% humidityGusts 10 mph
- 55°Rain Showers82% rain100% humidityGusts 10 mph
- 56°Rain Showers Likely67% rain96% humidityGusts 10 mph
- 57°Chance Rain Showers53% rain96% humidityGusts 9 mph
- 58°Chance Rain Showers38% rain96% humidityGusts 9 mph
- 60°Slight Chance Rain Showers24% rain96% humidityGusts 10 mph
- 62°Cloudy2% rain93% humidityGusts 12 mph
A little farther out
The next five days
Friday looks wet for a meaningful stretch.
- Rain
- 85%
- Humidity
- 69–100%
- Wind
- 17 mph
Saturday has a real shower chance.
- Rain
- 40%
- Humidity
- 40–89%
- Wind
- 28 mph
Sunday looks fairly quiet.
- Rain
- 7%
- Humidity
- 43–82%
- Wind
- 10 mph
Monday looks fairly quiet.
- Rain
- 13%
- Humidity
- 53–92%
- Wind
- 13 mph
- 65° / 54°Today looks fairly quiet.12% rain · Humidity 58–83% · Wind 12 mph
- 77° / 54°Friday looks wet for a meaningful stretch.85% rain · Humidity 69–100% · Wind 17 mph
- 58° / 40°Saturday has a real shower chance.40% rain · Humidity 40–89% · Wind 28 mph
- 57° / 34°Sunday looks fairly quiet.7% rain · Humidity 43–82% · Wind 10 mph
- 61° / 37°Monday looks fairly quiet.13% rain · Humidity 53–92% · Wind 13 mph
Environmental watch
Air quality + smoke
Air quality
Lehigh Valley area · Updated Thu 11:25 AMGood now, rising to Moderate by Fri 12 PM.
Sky check
No plume detected overhead
Satellite view · Updated Thu 8:45 AMAir near ground19 · Good US AQI
Rain, in motion · Past four hours
Chestnut Hill radar
Radar animation for Chestnut Hill, covering the past four hours. A marked spot changes the map view, not the forecast on this page.
Outdoor fire check
Thinking about a backyard fire?
Weather is less concerning around 4 PM–7 PM.
Humidity stays higher and winds stay lighter for at least three hours.
Next 12 hoursChoose a time to see what is driving the concern.
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 Allentown-Bethlehem-Easton
About 11 miles away, the Allentown-Bethlehem-Easton hub looks more deeply at Allentown-Bethlehem-Easton, PA-NJ. It reflects that wider area rather than Chestnut Hill’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 Lehigh Valley area, about 21 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 Chestnut Hill, 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.