Outdoor conditions in

Hummelstown

Pennsylvania
Now
  1. 64°Partly Sunny1% rain60% humidityGusts 7 mph
  2. 65°Partly Sunny3% rain60% humidityGusts 7 mph
  3. 65°Partly Sunny4% rain60% humidityGusts 8 mph
  4. 66°Mostly Cloudy5% rain61% humidityGusts 9 mph
  5. 64°Mostly Cloudy6% rain65% humidityGusts 10 mph
  6. 64°Mostly Cloudy8% rain67% humidityGusts 10 mph
  7. 63°Cloudy11% rain72% humidityGusts 12 mph
  8. 61°Cloudy10% rain78% humidityGusts 12 mph
  9. 60°Slight Chance Light Rain16% rain90% humidityGusts 13 mph
  10. 59°Cloudy11% rain93% humidityGusts 13 mph
  11. 59°Cloudy14% rain93% humidityGusts 14 mph
  12. 58°Chance Light Rain27% rain96% humidityGusts 15 mph
  13. 58°Chance Light Rain45% rain96% humidityGusts 15 mph
  14. 58°Light Rain Likely58% rain96% humidityGusts 16 mph
  15. 58°Light Rain Likely55% rain100% humidityGusts 17 mph
  16. 59°Chance Light Rain52% rain96% humidityGusts 17 mph
  17. 59°Chance Light Rain39% rain100% humidityGusts 18 mph
  18. 60°Chance Light Rain35% rain96% humidityGusts 17 mph
  19. 61°Chance Light Rain33% rain97% humidityGusts 17 mph
  20. 62°Cloudy5% rain97% humidityGusts 17 mph
  21. 64°Mostly Cloudy2% rain97% humidityGusts 18 mph
  22. 69°Cloudy2% rain84% humidityGusts 21 mph
  23. 72°Mostly Cloudy2% rain79% humidityGusts 21 mph
  24. 75°Partly Sunny0% rain74% humidityGusts 22 mph
Extra care for

A little farther out

The next five days

Today

Today looks fairly quiet.

Rain
16%
Humidity
60–93%
Wind
14 mph
Fri

Friday carries a thunderstorm chance.

Rain
69%
Humidity
67–100%
Wind
29 mph
Sat

Saturday looks breezy.

Rain
20%
Humidity
44–86%
Wind
30 mph
Sun

Sunday looks fairly quiet.

Rain
10%
Humidity
45–82%
Wind
9 mph
Mon

Monday looks fairly quiet.

Rain
13%
Humidity
53–93%
Wind
12 mph
  1. 66° / 59°Today looks fairly quiet.16% rain · Humidity 60–93% · Wind 14 mph
  2. 80° / 58°Friday carries a thunderstorm chance.69% rain · Humidity 67–100% · Wind 29 mph
  3. 59° / 39°Saturday looks breezy.20% rain · Humidity 44–86% · Wind 30 mph
  4. 57° / 34°Sunday looks fairly quiet.10% rain · Humidity 45–82% · Wind 9 mph
  5. 62° / 39°Monday looks fairly quiet.13% rain · Humidity 53–93% · Wind 12 mph

Environmental watch

Air quality + smoke

Air quality

Susquehanna Valley area · Updated Thu 12:26 PM
23GoodUS 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 ground23 · Good US AQI

Rain, in motion · Past four hours

Hummelstown radar

Ready when you areSee what is moving toward Hummelstown.

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 60% with light wind and gusts below 8 mph.

Humidity
60%
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.

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 Hummelstown, 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.