# Herndon 天氣

## Location
Herndon, 20170, 維珍尼亞州, 美國

·

As of 下午9:24 [EDT]

[現在79°78°77°\
\
Mostly Cloudy Night\
\
大部多雲\
\
體感\
\
77°\
\
HHigh\
\
84°\
\
LLow\
\
68°\
\
降雨機率\
\
7%\
\
0 in](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour/index.html)

## 今日預報
今晚的低溫將稍微比昨晚冷。

00:00  Cloudy  77°  
01:00  Mostly Cloudy Night  77°  
02:00  Mostly Cloudy Night  76°  
03:00  Mostly Cloudy Night  76°  
04:00  Mostly Cloudy Night  77°  
05:00  Mostly Cloudy Night  76°  
06:00  Mostly Cloudy Night  75°  
06:21  Sunrise  日出  
07:00  Cloudy  74°  
08:00  Partly Cloudy Day  76°  
09:00  Mostly Cloudy Day  77°  
10:00  Mostly Cloudy Day  77°  
11:00  Cloudy  79°  
12:00  Cloudy  78°  
13:00  Cloudy  77°  
14:00  Mostly Cloudy Day  76°  
15:00  Mostly Cloudy Day  78°  
16:00  Partly Cloudy Day  82°  
17:00  Mostly Cloudy Day  82°  
18:00  Mostly Cloudy Day  82°  
19:00  Mostly Cloudy Day  80°  
20:00  Cloudy  78°  
20:05  Sunset  日落  
21:00  Cloudy  77°

[現在\
\
Mostly Cloudy Night\
\
77°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786757053/index.html) [22:00\
\
Partly Cloudy Night\
\
76°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786759200/index.html) [23:00\
\
Partly Cloudy Night\
\
75°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786762800/index.html) [00:00\
\
Partly Cloudy Night\
\
74°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786766400/index.html) [01:00\
\
Partly Cloudy Night\
\
72°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786770000/index.html) [02:00\
\
Partly Cloudy Night\
\
72°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786773600/index.html) [03:00\
\
Partly Cloudy Night\
\
71°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786777200/index.html) [04:00\
\
Partly Cloudy Night\
\
70°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786780800/index.html) [05:00\
\
Partly Cloudy Night\
\
70°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786784400/index.html) [06:00\
\
Partly Cloudy Night\
\
69°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786788000/index.html) [07:00\
\
Partly Cloudy Day\
\
69°](/content/zh-HK/us/virginia/herndon/postcode/20170/hourbyhour?t=1786791600/index.html)

Wind

4mph 北

humidity

81%

空氣品質

61 - 中等

Dew Point

71°

pressure

30.05in

Uv Index

0 (最大值 11)

View

可見度

10 mi

Waxing Crescent

月相

上弦月

Sunrise

Sunset

# 每日預報

[今晚\
Partly Cloudy Night7%\
多雲\
68°\
\
84°](/content/zh-HK/us/virginia/herndon/postcode/20170/tenday?t=1786705200/index.html)

[週六 15\
Partly Cloudy Day7%\
多雲\
73°\
\
87°](/content/zh-HK/us/virginia/herndon/postcode/20170/tenday?t=1786791600/index.html)

[週日 16\
Thunderstorms79%\
雷雨\
73°\
\
78°](/content/zh-HK/us/virginia/herndon/postcode/20170/tenday?t=1786878000/index.html)

[週一 17\
Partly Cloudy Day24%\
多雲\
68°\
\
89°](/content/zh-HK/us/virginia/herndon/postcode/20170/tenday?t=1786964400/index.html)

[週二 18\
Mostly Clear Day4%\
晴時多雲\
65°\
\
85°](/content/zh-HK/us/virginia/herndon/postcode/20170/tenday?t=1787050800/index.html)

[週三 19\
Mostly Clear Day7%\
晴時多雲\
72°\
\
88°](/content/zh-HK/us/virginia/herndon/postcode/20170/tenday?t=1787137200/index.html)

[週四 20\
Scattered Thunderstorms53%\
午後雷雨\
66°\
\
87°](/content/zh-HK/us/virginia/herndon/postcode/20170/tenday?t=1787223600/index.html)

## Air Quality Index

61

## 中等

空氣品質可接受，但某些污染物可能對極少數人造成中度健康威脅，這些人可能對空氣污染物極為敏感。

[請參閱詳細資訊](/content/zh-HK/forecast/air-quality/l/38.97,-77.386)

Air Quality Index

## 健康與活動

[grass\
季節性過敏和花粉計數預報\
您所在地區的的青草花粉含量適中\
\
](/content/zh-HK/forecast/allergy/l/5c8860db8e32112f6e30d296f4b629e2b5f377a5fb3ac887649b02aec9b79084/index.html) [Flu\
Cold & Flu Forecast\
您所在地區的流感風險非常低\
](/content/zh-HK/forecast/cold-flu/l/5c8860db8e32112f6e30d296f4b629e2b5f377a5fb3ac887649b02aec9b79084/index.html)