Cities / United States / Iowa

26°

🌤️ Herndon weather

Mostly clear. .

Feels like 27° Wind 7 km/h N Humidity 48% Pressure 1017 hPa UV 0 Air Fair ☀ 06:38 - 19:59

Right now it is 26° in Herndon with mostly clear skies and today's high is 28° with an overnight low of 14°. The sun rises at 06:38 and sets at 19:59, giving 13h 21m of daylight. Over the coming week highs range from 28° to 39°.

Herndon is in Iowa, United States, sitting 323 m above sea level. Local time is America/Chicago (UTC−5), and every time on this page is shown in it.

Next 24 hours - temperature

15° 22° 29° 28° 16° 18:00 · 26.5° · 0 mm 19:00 · 24.8° · 0 mm 20:00 · 23° · 0 mm 21:00 · 21.8° · 0 mm 22:00 · 21.8° · 0 mm 23:00 · 20.8° · 0 mm 00:00 · 19.3° · 0 mm 01:00 · 18.7° · 0 mm 02:00 · 18.2° · 0 mm 03:00 · 17.5° · 0 mm 04:00 · 16.9° · 0 mm 05:00 · 16.2° · 0 mm 06:00 · 15.8° · 0 mm 07:00 · 15.6° · 0 mm 08:00 · 17.1° · 0 mm 09:00 · 20° · 0 mm 10:00 · 22.9° · 0 mm 11:00 · 25.5° · 0 mm 12:00 · 26.3° · 0 mm 13:00 · 27.5° · 0 mm 14:00 · 27.8° · 0 mm 15:00 · 28.2° · 0 mm 16:00 · 28.4° · 0 mm 17:00 · 28.3° · 0 mm

Precipitation

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

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
18:00 🌤️ 26.5° 26.4° - Mostly clear
19:00 ☀️ 24.8° 24.8° - Clear sky
20:00 ☀️ 23° 23.2° - Clear sky
21:00 ☀️ 21.8° 22.2° - Clear sky
22:00 ⛅ 21.8° 22.2° - Partly cloudy
23:00 ☀️ 20.8° 20.2° - Clear sky
00:00 ☀️ 19.3° 19.3° - Clear sky
01:00 ☀️ 18.7° 18.5° - Clear sky
02:00 ☀️ 18.2° 18.4° - Clear sky
03:00 ☀️ 17.5° 17.2° - Clear sky
04:00 ☀️ 16.9° 17° - Clear sky
05:00 ☀️ 16.2° 16.3° - Clear sky

Next 16 days

Today☀️ 28°14° Fri 28☁️ 28°16° Sat 29🌧️ 35°18°3.5mm Sun 30☁️ 39°24°0.1mm Mon 31🌦️ 37°23°0.3mm Tue 1☁️ 38°23°0.2mm Wed 2🌤️ 35°25° Thu 3🌦️ 41°23°0.6mm Fri 4🌦️ 29°21°0.8mm Sat 5🌦️ 32°21°2.5mm Sun 6🌦️ 39°21°4.5mm Mon 7🌦️ 33°22°0.8mm Tue 8🌧️ 26°19°21.5mm Wed 9🌧️ 33°21°11.2mm Thu 10🌧️ 23°18°16mm Fri 11🌧️ 19°16°11.9mm
☀️ TodayAugust 27th Avg 21° Low 14° at 07:00 High 28° at 15:00 Wind ~11 km/h
Clear Clear Clear
00:00 17°
02:00 16°
04:00 16°
06:00 14°
08:00 16°
10:00 22°
12:00 26°
14:00 27°
16:00 27°
18:00 27°
20:00 23°
22:00 22°
☁️ FridayAugust 28th Avg 22° Low 16° at 07:00 High 28° at 16:00 Wind ~13 km/h
Clear Cloudy
00:00 19°
02:00 18°
04:00 17°
06:00 16°
08:00 17°
10:00 23°
12:00 26°
14:00 28°
16:00 28°
18:00 27°
20:00 24°
22:00 23°
🌧️ SaturdayAugust 29th Avg 25° Low 18° at 08:00 High 35° at 16:00 3.5 mm rain Feels 33° Wind ~32 km/h
Cloudy Cloudy Partly Cloudy
00:00 22°
02:00 21°
04:00 20°
06:00 20°
08:00 18° 0.7mm
10:00 20°
12:00 25°
14:00 32°
16:00 35°
18:00 32°
20:00 28° 0.1mm
22:00 30° 0.2mm
☁️ SundayAugust 30th Avg 31° Low 24° at 08:00 High 39° at 17:00 0.1 mm rain Wind ~27 km/h
Cloudy
00:00 29°
02:00 29°
04:00 29°
06:00 26°
08:00 24°
10:00 29°
12:00 32° 0.1mm
14:00 36°
16:00 39°
18:00 38°
20:00 32°
22:00 30°
🌦️ MondayAugust 31st Avg 30° Low 23° at 07:00 High 37° at 15:00 0.3 mm rain Wind ~27 km/h
Clear Cloudy
00:00 25°
02:00 30°
04:00 30°
06:00 23°
08:00 24°
10:00 29°
12:00 34°
14:00 37°
16:00 37°
18:00 33°
20:00 32°
22:00 30°
☁️ TuesdaySeptember 1st Avg 31° Low 23° at 07:00 High 38° at 16:00 0.2 mm rain Wind ~16 km/h
Cloudy Cloudy Clear Partly Cloudy
00:00 29°
02:00 28°
04:00 24° 0.1mm
06:00 24° 0.1mm
08:00 25°
10:00 29°
12:00 34°
14:00 37°
16:00 38°
18:00 35°
20:00 32°
22:00 32°
🌤️ WednesdaySeptember 2nd Avg 30° Low 25° at 07:00 High 35° at 15:00 Wind ~21 km/h
Cloudy Clear
00:00 30°
02:00 30°
04:00 30°
06:00 27°
08:00 26°
10:00 28°
12:00 32°
14:00 35°
16:00 35°
18:00 33°
20:00 30°
22:00 27°
🌦️ ThursdaySeptember 3rd Avg 31° Low 23° at 23:00 High 41° at 15:00 0.6 mm rain Feels 37° Wind ~26 km/h
Clear Partly Cloudy Cloudy Clear Rain Cloudy
00:00 26°
02:00 27°
04:00 30°
06:00 30°
08:00 30°
10:00 31°
12:00 36°
14:00 40°
16:00 41°
18:00 33° 0.2mm
20:00 27°
22:00 24°
🌦️ FridaySeptember 4th Avg 25° Low 21° at 06:00 High 29° at 17:00 0.8 mm rain Feels 32° Wind ~17 km/h
Rain Cloudy Rain Cloudy
00:00 23°
02:00 23° 0.1mm
04:00 22° 0.1mm
06:00 21°
08:00 22°
10:00 25°
12:00 24° 0.1mm
14:00 26°
16:00 29°
18:00 29°
20:00 28°
22:00 25°
🌦️ SaturdaySeptember 5th Avg 26° Low 21° at 06:00 High 32° at 15:00 2.5 mm rain Wind ~19 km/h
Rain Cloudy
00:00 23° 0.2mm
02:00 22° 0.4mm
04:00 22° 0.4mm
06:00 21° 0.1mm
08:00 21° 0.1mm
10:00 24° 0.1mm
12:00 29°
14:00 32°
16:00 32°
18:00 31°
20:00 29°
22:00 27°
🌦️ SundaySeptember 6th Avg 29° Low 21° at 02:00 High 39° at 16:00 4.5 mm rain Feels 35° Wind ~26 km/h
Rain Clear Clear
00:00 23° 0.3mm
02:00 21° 0.2mm
04:00 22° 0.2mm
06:00 22° 0.9mm
08:00 23° 0.2mm
10:00 26° 0.2mm
12:00 33°
14:00 38°
16:00 39°
18:00 36°
20:00 32°
22:00 29°
🌦️ MondaySeptember 7th Avg 28° Low 22° at 23:00 High 33° at 13:00 0.8 mm rain Wind ~24 km/h
Rain Clear Rain Cloudy Partly Cloudy
00:00 31°
02:00 30° 0.1mm
04:00 24° 0.1mm
06:00 24°
08:00 26° 0.1mm
10:00 29° 0.1mm
12:00 32°
14:00 32°
16:00 29°
18:00 30°
20:00 28°
22:00 23°
🌧️ TuesdaySeptember 8th Avg 22° Low 19° at 06:00 High 26° at 15:00 21.5 mm rain Wind ~21 km/h
Rain Cloudy Rain
00:00 21° 0.2mm
02:00 20° 0.6mm
04:00 19° 0.6mm
06:00 19° 1mm
08:00 20° 0.7mm
10:00 21° 0.7mm
12:00 23° 1mm
14:00 25°
16:00 26°
18:00 23° 1.7mm
20:00 21° 1.6mm
22:00 21° 1.6mm
🌧️ WednesdaySeptember 9th Avg 25° Low 21° at 00:00 High 33° at 16:00 11.2 mm rain Feels 36° Wind ~16 km/h
Rain Cloudy Partly Cloudy Clear
00:00 21° 1.3mm
02:00 21° 0.6mm
04:00 22° 0.6mm
06:00 21° 0.1mm
08:00 22°
10:00 22°
12:00 26°
14:00 31°
16:00 33°
18:00 31°
20:00 29°
22:00 26°
🌧️ ThursdaySeptember 10th Avg 21° Low 18° at 23:00 High 23° at 00:00 16 mm rain Feels 26° Wind ~22 km/h
Cloudy Partly Cloudy Rain Cloudy
00:00 23° 6.5mm
02:00 22°
04:00 23°
06:00 23°
08:00 23°
10:00 22°
12:00 21°
14:00 21° 0.6mm
16:00 21° 0.6mm
18:00 21° 0.4mm
20:00 21°
22:00 19°
🌧️ FridaySeptember 11th Avg 17° Low 16° at 02:00 High 19° at 16:00 11.9 mm rain Feels 21° Wind ~16 km/h
Cloudy Rain
00:00 17°
02:00 16°
04:00 16°
06:00 16° 0.7mm
08:00 16° 0.5mm
10:00 16° 0.5mm
12:00 17° 0.9mm
14:00 18° 0.5mm
16:00 19° 0.5mm
18:00 19° 0.5mm
20:00 19° 0.4mm
22:00 19° 0.4mm

Sun

☀️ Sunrise 06:38 · Sunset 19:59

13h 21m of daylight · America/Chicago

Air quality

PM2.5 14.6 µg/m³ - Fair

Fine for almost everyone; unusually sensitive people may notice it on a long run.

Source: Copernicus CAMS, updated hourly.

Nearby

Jamaica · 3.3 km Bagley · 6.7 km Yale · 7.7 km Cooper · 8.3 km Green Brier · 10.3 km Dawson · 10.5 km

Tools for Herndon

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

Common questions about Herndon weather

Will it rain in Herndon today?

No rain is in the forecast for Herndon today.

What is the temperature in Herndon right now?

It is 26° in Herndon right now. Today runs between a low of 14° and a high of 28°.

What time is sunrise and sunset in Herndon?

The sun rises at 06:38 and sets at 19:59 local time in Herndon today, giving 13h 21m of daylight.

What is the air quality in Herndon?

PM2.5 in Herndon is currently 14.6 µg/m³, which counts as Fair on the European air-quality index. Fine for almost everyone; unusually sensitive people may notice it on a long run.

How accurate is the Herndon 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 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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