Cities / United States / Virginia

26°

🌤️ Herndon Junction weather

Mostly clear. .

Feels like 29° Wind 17 km/h SE Humidity 86% Pressure 1014 hPa UV 0 Air Good ☀ 06:24 - 20:03

Right now it is 26° in Herndon Junction with mostly clear skies, it feels more like 29°, today's high is 27° with an overnight low of 23° and about 11.5 mm of rain is expected. The sun rises at 06:24 and sets at 20:03, giving 13h 39m of daylight. Over the coming week highs range from 21° to 33°.

Herndon Junction is in Virginia, United States, sitting 77 m above sea level. Local time is America/New_York (UTC−4), and every time on this page is shown in it.

Next 24 hours - temperature

22° 27° 31° 31° 23° 16:00 · 25.6° · 0 mm 17:00 · 26.2° · 0 mm 18:00 · 26.7° · 0 mm 19:00 · 26.3° · 0 mm 20:00 · 24.7° · 10.1 mm 21:00 · 23.3° · 1.4 mm 22:00 · 22.8° · 0 mm 23:00 · 22.5° · 0 mm 00:00 · 22.6° · 0 mm 01:00 · 22.6° · 0 mm 02:00 · 22.7° · 0 mm 03:00 · 23° · 0 mm 04:00 · 23° · 0 mm 05:00 · 22.8° · 0 mm 06:00 · 22.7° · 0 mm 07:00 · 22.8° · 0 mm 08:00 · 24.4° · 0 mm 09:00 · 25.9° · 0 mm 10:00 · 27.1° · 0 mm 11:00 · 28.1° · 0 mm 12:00 · 29° · 0 mm 13:00 · 30° · 0 mm 14:00 · 30.6° · 0 mm 15:00 · 30.8° · 0 mm

Precipitation

16:00 · 0 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 10.1 mm 21:00 · 1.4 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm 04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm 07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0 mm 10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm 13:00 · 0 mm 13:00 14:00 · 0 mm 15:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
16:00 🌤️ 25.6° 27.7° - Mostly clear
17:00 ☁️ 26.2° 28.3° - Overcast
18:00 🌤️ 26.7° 29.2° - Mostly clear
19:00 ☁️ 26.3° 28.7° - Overcast
20:00 🌧️ 24.7° 28.1° 10.1 mm Heavy rain
21:00 🌧️ 23.3° 25.6° 1.4 mm Rain
22:00 ☁️ 22.8° 25.1° - Overcast
23:00 ☁️ 22.5° 24° - Overcast
00:00 ☁️ 22.6° 25.6° - Overcast
01:00 ☁️ 22.6° 24.9° - Overcast
02:00 ☁️ 22.7° 25.8° - Overcast
03:00 ☁️ 23° 25.1° - Overcast

Next 16 days

Today🌧️ 27°23°11.5mm Mon 17☁️ 31°23° Tue 18🌧️ 31°22°1.8mm Wed 19☀️ 33°19°0.1mm Thu 20🌧️ 26°20°2.8mm Fri 21🌧️ 21°16°10.6mm Sat 22☁️ 25°16° Sun 23☀️ 31°17° Mon 24☀️ 27°16° Tue 25☁️ 26°13° Wed 26🌧️ 22°19°11.7mm Thu 27⛅ 29°20° Fri 28☀️ 26°15° Sat 29☀️ 25°13° Sun 30☀️ 25°12° Mon 31☀️ 27°13°
🌧️ TodayAugust 16th Avg 24° Low 23° at 23:00 High 27° at 18:00 11.5 mm rain Feels 29° Wind ~19 km/h
Clear Cloudy
00:00 24°
02:00 24°
04:00 23°
06:00 23°
08:00 24°
10:00 24°
12:00 23°
14:00 24°
16:00 26°
18:00 27°
20:00 25° 10.1mm
22:00 23°
☁️ MondayAugust 17th Avg 26° Low 23° at 00:00 High 31° at 15:00 Feels 33° Wind ~17 km/h
Cloudy Clear Cloudy Cloudy
00:00 23°
02:00 23°
04:00 23°
06:00 23°
08:00 24°
10:00 27°
12:00 29°
14:00 31°
16:00 30°
18:00 29°
20:00 27°
22:00 25°
🌧️ TuesdayAugust 18th Avg 25° Low 22° at 23:00 High 31° at 16:00 1.8 mm rain Wind ~9 km/h
Cloudy Cloudy Clear
00:00 25°
02:00 24°
04:00 23°
06:00 23°
08:00 22° 1.4mm
10:00 24°
12:00 24°
14:00 29°
16:00 31°
18:00 31°
20:00 25°
22:00 23°
☀️ WednesdayAugust 19th Avg 26° Low 19° at 06:00 High 33° at 16:00 0.1 mm rain Wind ~11 km/h
Clear
00:00 21°
02:00 20°
04:00 20°
06:00 19°
08:00 21°
10:00 26°
12:00 30°
14:00 32°
16:00 33°
18:00 32°
20:00 28°
22:00 25°
🌧️ ThursdayAugust 20th Avg 22° Low 20° at 06:00 High 26° at 18:00 2.8 mm rain Wind ~19 km/h
Rain Cloudy
00:00 23° 0.2mm
02:00 22°
04:00 20°
06:00 20° 0.3mm
08:00 21° 0.2mm
10:00 21°
12:00 23°
14:00 25°
16:00 24°
18:00 26°
20:00 23°
22:00 21°
🌧️ FridayAugust 21st Avg 18° Low 16° at 12:00 High 21° at 01:00 10.6 mm rain Wind ~11 km/h
Cloudy Rain Cloudy
00:00 20°
02:00 21°
04:00 20°
06:00 20°
08:00 19° 0.4mm
10:00 17° 2.1mm
12:00 16° 0.6mm
14:00 17° 0.6mm
16:00 17° 0.2mm
18:00 17° 0.4mm
20:00 16° 0.4mm
22:00 16°
☁️ SaturdayAugust 22nd Avg 20° Low 16° at 03:00 High 25° at 14:00 Wind ~8 km/h
Cloudy
00:00 16°
02:00 16°
04:00 16°
06:00 16°
08:00 17°
10:00 20°
12:00 23°
14:00 25°
16:00 24°
18:00 22°
20:00 20°
22:00 19°
☀️ SundayAugust 23rd Avg 24° Low 17° at 04:00 High 31° at 16:00 Wind ~11 km/h
Cloudy Clear Partly Cloudy
00:00 19°
02:00 18°
04:00 17°
06:00 18°
08:00 20°
10:00 24°
12:00 28°
14:00 30°
16:00 31°
18:00 30°
20:00 26°
22:00 24°
☀️ MondayAugust 24th Avg 21° Low 16° at 23:00 High 27° at 16:00 Feels 23° Wind ~20 km/h
Partly Cloudy Clear
00:00 22°
02:00 20°
04:00 18°
06:00 17°
08:00 18°
10:00 21°
12:00 24°
14:00 26°
16:00 27°
18:00 24°
20:00 19°
22:00 17°
☁️ TuesdayAugust 25th Avg 19° Low 13° at 05:00 High 26° at 17:00 Wind ~14 km/h
Cloudy
00:00 15°
02:00 15°
04:00 13°
06:00 13°
08:00 15°
10:00 19°
12:00 22°
14:00 24°
16:00 26°
18:00 25°
20:00 22°
22:00 20°
🌧️ WednesdayAugust 26th Avg 20° Low 19° at 04:00 High 22° at 15:00 11.7 mm rain Feels 25° Wind ~11 km/h
Cloudy Rain
00:00 19°
02:00 19°
04:00 19°
06:00 19°
08:00 20°
10:00 20° 0.2mm
12:00 21° 0.1mm
14:00 22° 0.1mm
16:00 22° 1.6mm
18:00 22° 1.6mm
20:00 21° 1.6mm
22:00 21° 0.4mm
⛅ ThursdayAugust 27th Avg 23° Low 20° at 06:00 High 29° at 14:00 Wind ~19 km/h
Cloudy Partly Cloudy
00:00 21°
02:00 20°
04:00 20°
06:00 20°
08:00 20°
10:00 21°
12:00 25°
14:00 29°
16:00 28°
18:00 25°
20:00 23°
22:00 23°
☀️ FridayAugust 28th Avg 21° Low 15° at 06:00 High 26° at 16:00 Feels 22° Wind ~20 km/h
Cloudy Clear
00:00 23°
02:00 21°
04:00 17°
06:00 15°
08:00 17°
10:00 20°
12:00 23°
14:00 25°
16:00 26°
18:00 24°
20:00 21°
22:00 17°
☀️ SaturdayAugust 29th Avg 18° Low 13° at 05:00 High 25° at 16:00 Feels 23° Wind ~13 km/h
Clear Partly Cloudy
00:00 15°
02:00 14°
04:00 13°
06:00 13°
08:00 15°
10:00 19°
12:00 22°
14:00 24°
16:00 25°
18:00 24°
20:00 19°
22:00 16°
☀️ SundayAugust 30th Avg 18° Low 12° at 05:00 High 25° at 16:00 Wind ~9 km/h
Clear Partly Cloudy Clear
00:00 14°
02:00 13°
04:00 12°
06:00 12°
08:00 14°
10:00 19°
12:00 23°
14:00 25°
16:00 25°
18:00 23°
20:00 19°
22:00 17°
☀️ MondayAugust 31st Avg 19° Low 13° at 05:00 High 27° at 16:00 Feels 25° Wind ~8 km/h
Clear Cloudy
00:00 16°
02:00 15°
04:00 13°
06:00 13°
08:00 15°
10:00 20°
12:00 25°
14:00 26°
16:00 27°
18:00 25°
20:00 20°
22:00 18°

Sun

☀️ Sunrise 06:24 · Sunset 20:03

13h 39m of daylight · America/New_York

Air quality

PM2.5 4.2 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Sugarland Run · 2.6 km Dranesville · 2.6 km Sterling Park · 2.8 km Cooktown · 3.2 km Leighs · 3.3 km Daysville (historical) · 3.7 km

Tools for Herndon Junction

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Herndon Junction weather

Will it rain in Herndon Junction today?

Yes - about 11.5 mm of rain is expected in Herndon Junction today.

What is the temperature in Herndon Junction right now?

It is 26° in Herndon Junction right now, though it feels closer to 29°. Today runs between a low of 23° and a high of 27°.

What time is sunrise and sunset in Herndon Junction?

The sun rises at 06:24 and sets at 20:03 local time in Herndon Junction today, giving 13h 39m of daylight.

What is the air quality in Herndon Junction?

PM2.5 in Herndon Junction is currently 4.2 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Herndon Junction forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Herndon Junction best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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