Current Weather
7:44 AM
50°F
Mostly cloudy
RealFeel® 49°
Chilly
RealFeel Shade™ 48°
Chilly
RealFeel®
49°
RealFeel Shade™
48°
Max UV Index
0.4 (Low)
Wind
SE 2 mph
Wind Gusts
7 mph
Humidity
94%
Indoor Humidity
49% (Ideal Humidity)
Dew Point
48° F
Pressure
↓ 29.83 in
Cloud Cover
83%
Visibility
5 mi
Cloud Ceiling
3900 ft
Day
4/5
57°Hi
RealFeel®
57°
Cool
RealFeel Shade™
52°
Chilly
Cooler; breezy this morning with rain at times, then times of clouds and sun this afternoon; there can be ponding on roadways
Max UV Index4.0 (Moderate)
AccuLumen Brightness Index™3 (Dull)
WindW 13 mph
Wind Gusts28 mph
Probability of Precipitation74%
Probability of Thunderstorms5%
Precipitation0.20 in
Rain0.20 in
Hours of Precipitation3
Hours of Rain3
Cloud Cover81%
Night
4/5
40°Lo
RealFeel®
28°
Cold
Partly cloudy and breezy
WindWNW 15 mph
Wind Gusts30 mph
Probability of Precipitation5%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover31%
Sun & Moon
12 hrs 51 mins
Rise
6:45 AM
Set
7:36 PM
Waning Gibbous
Rise
11:43 PM
Set
8:40 AM
Temperature History
4/5High
Low
Forecast
57°
40°
Average
56°
34°
Last Year
56°
49°
Record
82°
2010
20°
2002
Current Weather Conditions in Herndon
Herndon, Pennsylvania is currently Mostly cloudy with a temperature of 50°. The current RealFeel® Temperature is 49° (Chilly) based on observed conditions including 94% humidity, 83% cloud cover, a UV index of 0, and winds of 2 mph. In shade, the RealFeel Shade™ is 48°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Herndon, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.