Herndon (VA)
Today
Today weather in Herndon
Wednesday, September 16th, 2026
29°
Sunny
Low 15°
Herndon will have a warm day Today with temperatures ascending to 29 °F and descending to around 15 °F after sunset. Gentle breezes are expected across Herndon Today, with speeds reaching around 10 km/h. There's a slight chance of rain at 5%.
29° / 15°
Temp
5%
Rain
10 km/h
Wind
65%
Humidity
Herndon Weather Pages
Herndon hourly forecast for today
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| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:51 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:16 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | | |  | | | | |  | | |  | | | | | |  | | | | | Next |
| temperatures | 17.2° | 16.6° | 16.2° | 15.9° | 15.7° | 15.4° | 15.3° | Sunrise | 15.1° | 16° | 18.5° | 20.9° | 23.3° | 25.3° | 27° | 28.1° | 28.9° | 29.2° | 29° | 27.8° | 25.7° | Sunset | 24.2° | 23° | 21.8° | 20.9° | |
| wind speed | 10 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 7 km/h | 7 km/h | 7 km/h | 7 km/h | 9 km/h | 9 km/h | 10 km/h | 10 km/h | 10 km/h | 11 km/h | 10 km/h | 10 km/h | 9 km/h | 9 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 9 km/h | |||
| wind degree | 183° | 179° | 184° | 179° | 180° | 184° | 184° | 186° | 194° | 193° | 191° | 190° | 187° | 181° | 177° | 176° | 173° | 173° | 153° | 142° | 150° | 160° | 167° | 170° | |||
| wind direction | S | S | S | S | S | S | S | S | SSW | SSW | S | S | S | S | S | S | S | S | SSE | SE | SSE | SSE | SSE | S | |||
| Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 7% | 7% | 9% | 10% | 11% | 13% | 13% | 13% | 9% | 5% | 4% | 4% | 2% | 1% | 6% | 2% | 3% | 2% | 4% | 3% | 4% | 5% | 7% | 8% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 73% | 75% | 79% | 82% | 85% | 87% | 88% | 89% | 80% | 68% | 60% | 53% | 48% | 44% | 42% | 41% | 41% | 42% | 50% | 59% | 62% | 68% | 74% | 76% | |||
| dew point | 12.3° | 12.2° | 12.5° | 12.9° | 13.1° | 13.3° | 13.3° | 13.3° | 12.5° | 12.6° | 12.9° | 13.3° | 13.6° | 13.9° | 14.1° | 14.3° | 14.5° | 14.8° | 16.5° | 17.1° | 16.5° | 16.8° | 16.9° | 16.5° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 5% | 1% | 4% | 5% | 5% | 12% | 5% | 4% | 0% | 5% | 5% | 32% | 12% | 9% | 66% | 27% | 37% | 21% | 34% | 7% | 13% | 5% | 5% | 5% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.2 | 2.7 | 4.6 | 6.2 | 6.9 | 6.5 | 5 | 3.3 | 1.6 | 0.5 | 0 | 0 | 0 | 0 | 0 |
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View of Herndon today
Explore Herndon live webcam feed to see how the weather is shaping up today in Herndon. See what people are wearing, check out the sky, and get a sense of the atmosphere before you step outside.
Stay informed and make the most of your day with our live weather updates from Herndon today.
Weather in Herndon today
The weather in Herndon today is expected to be much warmer than usual, with a forecast temperature of 29 °F, compared to an average of 21 °F for September 16th in recent years.
temperatures
29 °F
rain
0 mm
wind
10 km/h
UV
High
Herndon daylight overview ☀️
Today in Herndon, The sun rises at 06:51 and sets at 19:16, giving a total daylight duration of 12 hours and 25 minutes.
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What to wear today in Herndon? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Herndon forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
The weather today in Herndon - FAQ
What is the maximum temperature for today in Herndon?
The maximum temperature for today in Herndon is expected to be 29° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Herndon? 🌧️
Yes, there is a 5% chance of rain in Herndon today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Herndon? 🌀
The wind in Herndon is expected to blow at 10 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Herndon today?
Given the forecast of 29 °F with a 5% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Herndon today.
What is the sunrise and sunset time for Herndon today?
The sun is expected to rise at 06:51 and set at 19:16 in Herndon.
How accurate is the weather forecast Herndon today? ✅
Herndon weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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