Outdoor conditions in

Mount Gretna Heights

Pennsylvania
Now
  1. 63°Partly Sunny2% rain62% humidityGusts 7 mph
  2. 63°Partly Sunny4% rain62% humidityGusts 8 mph
  3. 64°Partly Sunny5% rain63% humidityGusts 9 mph
  4. 63°Mostly Cloudy6% rain65% humidityGusts 10 mph
  5. 63°Mostly Cloudy6% rain67% humidityGusts 9 mph
  6. 62°Cloudy8% rain70% humidityGusts 12 mph
  7. 60°Cloudy10% rain78% humidityGusts 12 mph
  8. 59°Cloudy10% rain83% humidityGusts 14 mph
  9. 58°Slight Chance Light Rain15% rain87% humidityGusts 15 mph
  10. 58°Cloudy13% rain90% humidityGusts 16 mph
  11. 57°Slight Chance Light Rain23% rain93% humidityGusts 17 mph
  12. 58°Chance Light Rain41% rain90% humidityGusts 17 mph
  13. 58°Light Rain Likely59% rain90% humidityGusts 17 mph
  14. 58°Light Rain Likely55% rain93% humidityGusts 17 mph
  15. 58°Chance Light Rain53% rain96% humidityGusts 17 mph
  16. 59°Chance Light Rain44% rain96% humidityGusts 18 mph
  17. 59°Chance Light Rain41% rain96% humidityGusts 18 mph
  18. 60°Chance Light Rain38% rain96% humidityGusts 18 mph
  19. 61°Cloudy5% rain97% humidityGusts 18 mph
  20. 63°Mostly Cloudy2% rain97% humidityGusts 20 mph
  21. 68°Cloudy5% rain84% humidityGusts 22 mph
  22. 70°Partly Sunny2% rain84% humidityGusts 23 mph
  23. 73°Partly Sunny0% rain79% humidityGusts 23 mph
  24. 78°Mostly Sunny0% rain69% humidityGusts 24 mph
Extra care for

A little farther out

The next five days

Today

Today looks fairly quiet.

Rain
15%
Humidity
62–90%
Wind
16 mph
Fri

Friday carries a thunderstorm chance.

Rain
71%
Humidity
69–97%
Wind
29 mph
Sat

Saturday looks breezy.

Rain
20%
Humidity
46–89%
Wind
31 mph
Sun

Sunday looks fairly quiet.

Rain
10%
Humidity
47–76%
Wind
10 mph
Mon

Monday looks fairly quiet.

Rain
13%
Humidity
60–85%
Wind
13 mph
  1. 64° / 57°Today looks fairly quiet.15% rain · Humidity 62–90% · Wind 16 mph
  2. 78° / 57°Friday carries a thunderstorm chance.71% rain · Humidity 69–97% · Wind 29 mph
  3. 59° / 38°Saturday looks breezy.20% rain · Humidity 46–89% · Wind 31 mph
  4. 55° / 34°Sunday looks fairly quiet.10% rain · Humidity 47–76% · Wind 10 mph
  5. 59° / 39°Monday looks fairly quiet.13% rain · Humidity 60–85% · Wind 13 mph

Environmental watch

Air quality + smoke

Air quality

Susquehanna Valley area · Updated Thu 2:25 PM
26GoodUS AQI

Good now, rising to Moderate by Fri 12 PM.

Sky check

No plume detected overhead

Satellite view · Updated Thu 8:45 AM

Air near ground26 · Good US AQI

Rain, in motion · Past four hours

Mount Gretna Heights radar

Ready when you areSee what is moving toward Mount Gretna Heights.

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?

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.
Selected timeNowLower weather concern

Humidity is 62% with light wind and gusts below 8 mph.

Humidity
62%
Wind
5 mph
Gusts
7 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 Lancaster

About 18 miles away, the Lancaster hub looks more deeply at Lancaster, PA. It reflects that wider area rather than Mount Gretna Heights’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 Susquehanna Valley area, about 23 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 Mount Gretna Heights, 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.