Change

Live across America

Harmonsburg, Pennsylvania 16422 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Harmonsburg, Pennsylvania 16422. Always follow local warnings and emergency instructions.

Save
Weather guidance for your areaPlan with the complete forecast

Use current official weather information for Harmonsburg, Pennsylvania 16422 before making weather-sensitive plans.

Safety guides

Weather status

No active NWS alerts found for Harmonsburg, Pennsylvania 16422

Conditions can change quickly. Keep Wireless Emergency Alerts enabled and continue to monitor official information.

Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes

Live Doppler radar

Animated Multi-Radar/Multi-Sensor reflectivity from the National Weather Service’s network of Doppler radars. Search a U.S. city, ZIP code, or street address to center the map on local weather, then zoom to neighborhood street detail.

Open full NWS Doppler radar ↗
Live radar is ready when you need it.

The interactive map stays off until opened to keep forecasts fast.

After loading, MyUSA.us shows the exact Doppler frame time, refresh controls, and an official NWS fallback if the map is unavailable.

Doppler radar and warnings: NOAA/National Weather Service · Map: OpenFreeMap, OpenMapTiles and OpenStreetMap contributors. Radar can be delayed briefly during service updates.

MyUSA.us is not affiliated with or endorsed by NOAA or the National Weather Service. For life-threatening weather, follow official NWS alerts and local authorities.

What’s next

Hourly forecast

Harmonsburg, Pennsylvania 16422

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Harmonsburg, Pennsylvania 16422. Forecasts and alerts update from NOAA and the National Weather Service.

64°Showers And Thunderstorms Likely62% rain
61°Showers And Thunderstorms81% rain
59°Showers And Thunderstorms100% rain
58°Showers And Thunderstorms88% rain
58°Chance Showers And Thunderstorms53% rain
57°Chance Showers And Thunderstorms35% rain
56°Slight Chance Rain Showers23% rain
55°Slight Chance Rain Showers20% rain

Next 24 hours

Rain Timeline

Highest chance 100%

Most likely around 8 PM, 9 PM, 10 PM, 11 PM. Expected type: Thunderstorms / Rain.

62%Thunderstorms
81%Thunderstorms
100%Thunderstorms
88%Thunderstorms
53%Thunderstorms
35%Thunderstorms
23%Rain
20%Rain
20%Rain
19%Rain
20%Rain
20%Rain
39%Rain
36%Rain
27%Rain
20%Rain
13%None
19%Rain
17%Rain
20%Rain
24%Rain
27%Rain
25%Rain
23%Rain

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

64°54°

Showers And Thunderstorms then Chance Showers And Thunderstorms

Precipitation
100%
Wind
SW 7 mph
Sunrise
6:39 AM
Sunset
8:11 PM

Mon

69°55°

Chance Rain Showers

Precipitation
39%
Wind
W 7 to 14 mph
Sunrise
6:40 AM
Sunset
8:10 PM

Tue

75°54°

Slight Chance Rain Showers

Precipitation
22%
Wind
NW 5 to 9 mph
Sunrise
6:41 AM
Sunset
8:08 PM

Wed

80°61°

Mostly Sunny

Precipitation
14%
Wind
S 2 to 7 mph
Sunrise
6:42 AM
Sunset
8:07 PM

Thu

81°62°

Showers And Thunderstorms Likely

Precipitation
55%
Wind
SW 6 to 9 mph
Sunrise
6:43 AM
Sunset
8:05 PM

Fri

78°57°

Slight Chance Rain Showers

Precipitation
18%
Wind
W 1 to 9 mph
Sunrise
6:44 AM
Sunset
8:03 PM

Sat

78°58°

Mostly Sunny

Precipitation
6%
Wind
N 1 to 6 mph
Sunrise
6:45 AM
Sunset
8:02 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel57°F
Use caution walking outside

Consider a shorter outing, adjust clothing, and check radar and alerts first.

WindS3 mph
Best walk timeNo clearly better outdoor window today

The official hourly forecast shows similar weather impacts across the available hours. Shorten or move plans indoors if conditions are uncomfortable, and check active alerts before leaving.

Official EPA AirNowLocal air qualityHarmonsburg, Pennsylvania 16422
View AQI +
More weather details
Wind gustsNot reported
Rain now62%next hour
Humidity88%current
UV indexCheckingEPA forecast

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.89 in
Visibility10.0 mi
Peak rain chance100%
Dew point54°F
Active alertsNone

Official risk outlooks

These national tools add expert storm, heavy-rain and flooding context to your local forecast.

Loading nearby traffic cameras…

Official tropical weather

Hurricane center

NOAA National Hurricane Center updates, outlooks, and storm resources in one place.