Cities / United States / Virginia

18°

⛅ Herndon Heights weather

Partly cloudy. .

Feels like 20° Wind 4 km/h S Humidity 92% Pressure 1011 hPa UV 2 Air Good 06:30 - 19:53

Right now it is 18° in Herndon Heights with partly cloudy skies and today's high is 28° with an overnight low of 18°. The sun rises at 06:30 and sets at 19:53, giving 13h 23m of daylight. Over the coming week highs range from 29° to 33°.

Herndon Heights is in Virginia, United States, sitting 113 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

15° 22° 29° 28° 16° 05:00 · 18.4° · 0 mm 06:00 · 17.9° · 0 mm 07:00 · 17.5° · 0 mm 08:00 · 19.4° · 0 mm 09:00 · 21.6° · 0 mm 10:00 · 23° · 0 mm 11:00 · 24° · 0 mm 12:00 · 25.3° · 0 mm 13:00 · 26.6° · 0 mm 14:00 · 27.5° · 0 mm 15:00 · 27.9° · 0 mm 16:00 · 28.1° · 0 mm 17:00 · 28° · 0 mm 18:00 · 27.4° · 0 mm 19:00 · 25.9° · 0 mm 20:00 · 23.2° · 0 mm 21:00 · 21.3° · 0 mm 22:00 · 20° · 0 mm 23:00 · 19.1° · 0 mm 00:00 · 18.5° · 0 mm 01:00 · 18.1° · 0 mm 02:00 · 17.5° · 0 mm 03:00 · 16.4° · 0 mm 04:00 · 15.8° · 0 mm

Precipitation

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

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
05:00 18.4° 20° - Partly cloudy
06:00 ☀️ 17.9° 18.9° - Clear sky
07:00 ☀️ 17.5° 18.4° - Clear sky
08:00 ☀️ 19.4° 20.2° - Clear sky
09:00 ☀️ 21.6° 21.8° - Clear sky
10:00 ☀️ 23° 22.5° - Clear sky
11:00 ☀️ 24° 22.7° - Clear sky
12:00 ☀️ 25.3° 23.3° - Clear sky
13:00 ☀️ 26.6° 23.9° - Clear sky
14:00 ☀️ 27.5° 25° - Clear sky
15:00 ☀️ 27.9° 25.3° - Clear sky
16:00 ☀️ 28.1° 25.5° - Clear sky

Next 16 days

☀️ TodayAugust 23rd Avg 22° Low 18° at 07:00 High 28° at 16:00 Feels 26° Wind ~22 km/h
Cloudy Clear Clear
00:00 20°
02:00 19°
04:00 19°
06:00 18°
08:00 19°
10:00 23°
12:00 25°
14:00 28°
16:00 28°
18:00 27°
20:00 23°
22:00 20°
☀️ MondayAugust 24th Avg 22° Low 15° at 06:00 High 29° at 16:00 Feels 26° Wind ~17 km/h
Clear
00:00 19°
02:00 18°
04:00 16°
06:00 15°
08:00 18°
10:00 23°
12:00 27°
14:00 28°
16:00 29°
18:00 28°
20:00 24°
22:00 20°
☀️ TuesdayAugust 25th Avg 23° Low 16° at 06:00 High 29° at 17:00 Wind ~13 km/h
Clear Cloudy
00:00 19°
02:00 18°
04:00 17°
06:00 16°
08:00 18°
10:00 23°
12:00 26°
14:00 29°
16:00 29°
18:00 29°
20:00 25°
22:00 23°
🌦️ WednesdayAugust 26th Avg 24° Low 18° at 07:00 High 31° at 16:00 0.3 mm rain Wind ~13 km/h
Clear Cloudy
00:00 21°
02:00 20°
04:00 19°
06:00 18°
08:00 20°
10:00 25°
12:00 28°
14:00 30°
16:00 31°
18:00 28°
20:00 24° 0.2mm
22:00 23°
🌧️ ThursdayAugust 27th Avg 24° Low 19° at 06:00 High 33° at 15:00 18.1 mm rain Wind ~16 km/h
Clear Cloudy Rain
00:00 22°
02:00 21°
04:00 20° 0.3mm
06:00 19°
08:00 21°
10:00 26°
12:00 30°
14:00 33°
16:00 31°
18:00 27° 0.3mm
20:00 21° 14.4mm
22:00 21° 0.6mm
FridayAugust 28th Avg 24° Low 20° at 07:00 High 31° at 15:00 0.3 mm rain Wind ~11 km/h
Cloudy Partly Cloudy Clear Rain Cloudy
00:00 22°
02:00 21°
04:00 21°
06:00 20°
08:00 21°
10:00 24°
12:00 28°
14:00 30°
16:00 31°
18:00 28° 0.1mm
20:00 24° 0.1mm
22:00 23°
☀️ SaturdayAugust 29th Avg 24° Low 19° at 07:00 High 30° at 16:00 Wind ~13 km/h
Cloudy Clear Partly Cloudy
00:00 22°
02:00 21°
04:00 20°
06:00 19°
08:00 20°
10:00 24°
12:00 27°
14:00 29°
16:00 30°
18:00 29°
20:00 25°
22:00 23°
SundayAugust 30th Avg 26° Low 21° at 05:00 High 33° at 16:00 Wind ~15 km/h
Partly Cloudy Cloudy
00:00 23°
02:00 22°
04:00 21°
06:00 21°
08:00 22°
10:00 25°
12:00 29°
14:00 32°
16:00 33°
18:00 31°
20:00 28°
22:00 26°
🌦️ MondayAugust 31st Avg 26° Low 21° at 06:00 High 33° at 15:00 3.3 mm rain Wind ~10 km/h
Rain Cloudy Clear Partly Cloudy Rain
00:00 24° 0.7mm
02:00 22° 0.7mm
04:00 21° 0.3mm
06:00 21°
08:00 22°
10:00 26°
12:00 30°
14:00 32°
16:00 32°
18:00 30°
20:00 26°
22:00 25° 0.1mm
🌦️ TuesdaySeptember 1st Avg 25° Low 21° at 07:00 High 31° at 17:00 1.2 mm rain Wind ~16 km/h
Cloudy Rain Partly Cloudy Clear
00:00 24°
02:00 24°
04:00 23°
06:00 22° 0.3mm
08:00 21° 0.3mm
10:00 25° 0.1mm
12:00 27°
14:00 26°
16:00 30°
18:00 29°
20:00 25°
22:00 24°
🌧️ WednesdaySeptember 2nd Avg 24° Low 21° at 05:00 High 31° at 14:00 15.9 mm rain Wind ~13 km/h
Clear Partly Cloudy Clear Rain
00:00 23°
02:00 22°
04:00 21°
06:00 21°
08:00 22°
10:00 26°
12:00 29°
14:00 31°
16:00 26° 4.7mm
18:00 23° 0.3mm
20:00 23° 0.3mm
22:00 23° 0.3mm
🌦️ ThursdaySeptember 3rd Avg 25° Low 22° at 03:00 High 29° at 17:00 0.6 mm rain Wind ~20 km/h
Cloudy Rain Cloudy Clear
00:00 23°
02:00 23°
04:00 23°
06:00 23°
08:00 23°
10:00 26°
12:00 28° 0.2mm
14:00 28° 0.2mm
16:00 29°
18:00 28°
20:00 25°
22:00 23°
FridaySeptember 4th Avg 25° Low 20° at 05:00 High 32° at 16:00 Wind ~7 km/h
Clear Partly Cloudy Clear
00:00 22°
02:00 21°
04:00 20°
06:00 20°
08:00 21°
10:00 25°
12:00 29°
14:00 31°
16:00 32°
18:00 30°
20:00 26°
22:00 25°
🌦️ SaturdaySeptember 5th Avg 24° Low 21° at 05:00 High 28° at 17:00 5.7 mm rain Feels 30° Wind ~12 km/h
Cloudy Partly Cloudy Rain Cloudy
00:00 24°
02:00 23°
04:00 22°
06:00 21°
08:00 22°
10:00 24° 0.5mm
12:00 25° 0.5mm
14:00 26° 0.5mm
16:00 28° 0.4mm
18:00 27° 0.5mm
20:00 24° 0.5mm
22:00 24°
🌧️ SundaySeptember 6th Avg 25° Low 21° at 21:00 High 32° at 16:00 20.7 mm rain Feels 35° Wind ~11 km/h
Rain Cloudy Rain
00:00 23° 0.8mm
02:00 22° 0.8mm
04:00 22° 2mm
06:00 22°
08:00 22°
10:00 24°
12:00 27°
14:00 31°
16:00 32°
18:00 28° 3.5mm
20:00 22° 3.5mm
22:00 22° 0.6mm
🌦️ MondaySeptember 7th Avg 24° Low at 03:00 High at 17:00 Feels 32° Wind ~8 km/h
Rain Partly Cloudy Cloudy Unknown
00:00 22° 0.5mm
02:00 21° 0.5mm
04:00 21°
06:00 21°
08:00 22°
10:00 23°
12:00 25°
14:00 27°
16:00 28°
18:00 28°
20:00 25°
22:00

Sun

☀️ Sunrise 06:30 · Sunset 19:53

13h 23m of daylight · America/New_York

Air quality

PM2.5 8.5 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Tools for Herndon Heights

Common questions about Herndon Heights weather

Will it rain in Herndon Heights today?

No rain is in the forecast for Herndon Heights today.

What is the temperature in Herndon Heights right now?

It is 18° in Herndon Heights right now, though it feels closer to 20°. Today runs between a low of 18° and a high of 28°.

What time is sunrise and sunset in Herndon Heights?

The sun rises at 06:30 and sets at 19:53 local time in Herndon Heights today, giving 13h 23m of daylight.

What is the air quality in Herndon Heights?

PM2.5 in Herndon Heights is currently 8.5 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 Heights 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 Heights 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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