Forecast Summary
The next few hours will be mostly clear, with today reaching 28°C and dropping to 19°C. The coming days will be hazy throughout the day.
Current Weather
27°
Mostly Clear
Feels Like
27°
Min
16°
Max
28°
Compared to Yesterday
Unlock Historical Data
Compare today's weather with yesterday's data and track temperature trends over time.
Does this forecast seem accurate?
Hourly Forecast
Weather forecast for the next 48 hours.
5%
7%
8%
5%
9%
20%
25%
38%
44%
47%
33%
32%
29%
32%
27%
27%
26%
25%
24%
23%
22%
21%
18%
15%
12%
12%
12%
12%
24%
36%
UV Index
Wear sunscreen
Humidity
Current air moisture level
Daylight Hours
12 hours 23 minutes of sunlight today
07:02
Sunrise
19:25
Sunset
Daily Forecast
Weather forecast for the next 8 days.
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Air Quality Data Available
Upgrade to access real-time air quality data for Herndon.
Frequently asked questions about weather in Herndon
How warm does it get in Herndon?
The warmest month in Herndon is July, with average high temperatures of 32°C. The average temperature during this period is around 26°C.
How cold does it get in Herndon?
The coldest month in Herndon is January, with average low temperatures of -1°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Herndon?
The wettest month in Herndon is July, with an average of 120mm of precipitation.
What is the driest time of year in Herndon?
The driest month in Herndon is November, with an average of 74mm of precipitation.
Stay informed
