10-Day Weather Forecast for Herndon (VA)

Six-hourly outlook through Sunday 13 September. Updated every three hours via MET Norway.

Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Friday
4 Sep
Rain showers
25°C (77°F)
1 mm (0.04 in)
Clear skies
24°C (75°F)
0 mm (0 in)
Rain showers
34°C (93°F)
1.9 mm (0.1 in)
Partly cloudy
28°C (82°F)
0 mm (0 in)
Hourly ›
Saturday
5 Sep
Partly cloudy
24°C (75°F)
0 mm (0 in)
Cloudy
24°C (75°F)
0.2 mm (0.01 in)
Rain
27°C (81°F)
2.2 mm (0.1 in)
Partly cloudy
23°C (73°F)
0 mm (0 in)
Hourly ›
Sunday
6 Sep
Mostly clear
21°C (70°F)
0 mm (0 in)
Mostly sunny
19°C (66°F)
0 mm (0 in)
Partly cloudy
28°C (82°F)
0.3 mm (0.01 in)
Mostly clear
24°C (75°F)
0 mm (0 in)
Hourly ›
Monday
7 Sep
Clear skies
19°C (66°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0.4 mm (0.02 in)
Partly cloudy
27°C (81°F)
0 mm (0 in)
Partly cloudy
24°C (75°F)
0 mm (0 in)
Hourly ›
Tuesday
8 Sep
Clear skies
19°C (66°F)
0 mm (0 in)
Partly cloudy
20°C (68°F)
0 mm (0 in)
Cloudy
30°C (86°F)
0 mm (0 in)
Cloudy
26°C (79°F)
0 mm (0 in)
Hourly ›
Wednesday
9 Sep
Partly cloudy
22°C (72°F)
0 mm (0 in)
Cloudy
21°C (70°F)
0 mm (0 in)
Light rain
30°C (86°F)
0.5 mm (0.02 in)
Rain
24°C (75°F)
2.9 mm (0.1 in)
Hourly ›
Thursday
10 Sep
Heavy rain showers
22°C (72°F)
6.5 mm (0.3 in)
Rain showers
22°C (72°F)
1.7 mm (0.1 in)
Cloudy
32°C (90°F)
0.4 mm (0.02 in)
Cloudy
28°C (82°F)
0.2 mm (0.01 in)
Hourly ›
Friday
11 Sep
Partly cloudy
23°C (73°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0.2 mm (0.01 in)
Rain showers
27°C (81°F)
1.7 mm (0.1 in)
Clear skies
23°C (73°F)
0 mm (0 in)
Hourly ›
Saturday
12 Sep
Clear skies
19°C (66°F)
0 mm (0 in)
Clear skies
19°C (66°F)
0 mm (0 in)
Cloudy
25°C (77°F)
0 mm (0 in)
Mostly clear
22°C (72°F)
0 mm (0 in)
Hourly ›
Sunday
13 Sep
Clear skies
18°C (64°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Herndon this week?

Today's weather - Friday 4 Sep

For Friday the predicted weather in Herndon is rain showers during the afternoon and night. The maximum temperature is a very warm 34°C (93°F), while the minimum temperature is a warm 24°C (75°F).

Tomorrow's weather - Saturday 5 Sep

Tomorrow's weather in Herndon will be rain during the afternoon. Temperatures will range from a warm 23°C (73°F) to a warm 27°C (81°F).

10-Day Weather Forecast

During the next 10 days, temperatures will get cooler from 34°C (93°F) down to 27°C (81°F), with average highs of 29°C (84°F) and lows of 21°C (70°F). Compared to September norms, this represents a bit warmer than usual weather. There will be a mix of sun and clouds throughout this time. Expect normal rainfall patterns, characterized by some rainy days. Precipitation is likely on approximately 5 days (Fri, Sat, Wed, Thu, Fri). The wind will be generally calm during this period.

Weather Forecast FAQ for Herndon

When will be the warmest day next week?

The warmest day is expected to be Friday with a high of 34°C (93°F).

When will be the coldest day?

The coldest day is forecasted for Tuesday with a low of 19°C (66°F).

Will it rain next week in Herndon?

Yes, rain is expected on 5 days , specifically on Fri, Sat, Wed, Thu, Fri.

How much rainfall is expected next week?

A total of 20 mm (0.8 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 19°C (66°F) to 34°C (93°F).

More about Herndon

Explore the full Herndon climate overview with monthly averages, or check rainfall data and temperature by month.

Herndon weather by month

Browse monthly averages for Herndon: climate by month with temperature, rainfall and sunshine.

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