Weather in Herndon, PA
Updated 2026-08-11 12:15 local time · ZIP codes 17830
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
80°5% rain
83°8% rain83°5% rain
83°6% rain82°5% rain84°4% rain83°5% rain80°5% rain77°7% rain
76°8% rain75°10% rain74°13% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 13%).
It feels like 83°F with winds near 7 mph.
77°F, 7% rain chance and 2 mph wind.
Visibility is around 10 mi; gusts may reach 15 mph.
Current temperature is 80°F, wind 7 mph, rain chance up to 13%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
Herndon weather today
Cloudy and 80°F in Herndon, PA. Today's high is 86°F with a 57% rain chance. Winds are around 7 mph with gusts near 8 mph. Relative humidity is 54%, pressure is 29.86 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Herndon
Sunrise is at 06:13 AM and sunset is at 08:10 PM. Tomorrow's forecast calls for Sunny with a high near 85°F and a low near 64°F. The maximum rain chance is 57%.