10-day forecast for Herndon, VA: 31° to 67°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Tuesday, November 10
45°
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 0759° / 47°0
Morning51°feels 48°
Afternoon59°feels 57°
Evening55°feels 52°
Overnight53°feels 51°
59 °
Herndon, Saturday, 7 November
Clear. High 59°, low 47°.
Pressure29.97 inHg
Wind9.4 mph NW
Humidity45%
Visibility6.2 mi
Dew point35°
Sun, 0861° / 47°0
Morning49°feels 45°
Afternoon61°feels 58°
Evening52°feels 50°
Overnight48°feels 43°
61 °
Herndon, Sunday, 8 November
Clear. High 61°, low 47°.
Pressure30.03 inHg
Wind7.3 mph W
Humidity48%
Visibility6.2 mi
Dew point39°
Mon, 0959° / 47°0
Morning53°feels 50°
Afternoon59°feels 57°
Evening50°feels 47°
Overnight48°feels 45°
59 °
Herndon, Monday, 9 November
Partly cloudy. High 59°, low 47°.
Pressure29.97 inHg
Wind16.3 mph NW
Humidity44%
Visibility6.2 mi
Dew point37°
Tue, 1065° / 42°0
Morning47°feels 45°
Afternoon65°feels 63°
Evening63°feels 61°
Overnight46°feels 44°
65 °
Herndon, Tuesday, 10 November
Mostly clear. High 65°, low 42°.
Pressure29.97 inHg
Wind6.3 mph SW
Humidity43%
Visibility6.2 mi
Dew point38°
Wed, 1163° / 47°0
Morning52°feels 50°
Afternoon60°feels 58°
Evening60°feels 59°
Overnight49°feels 49°
63 °
Herndon, Wednesday, 11 November
Overcast. High 63°, low 47°.
Pressure29.97 inHg
Wind6.8 mph W
Humidity64%
Visibility—
Dew point46°
Thu, 1253° / 41°0
Morning47°feels 47°
Afternoon52°feels 49°
Evening49°feels 45°
Overnight42°feels 38°
53 °
Herndon, Thursday, 12 November
Clear. High 53°, low 41°.
Pressure29.94 inHg
Wind10.3 mph NW
Humidity59%
Visibility—
Dew point37°
Fri, 1345° / 32°0
Morning36°feels 31°
Afternoon42°feels 38°
Evening44°feels 41°
Overnight38°feels 34°
45 °
Herndon, Friday, 13 November
Mostly clear. High 45°, low 32°.
Pressure30.03 inHg
Wind6.8 mph N
Humidity51%
Visibility—
Dew point23°
Sat, 1447° / 32°0
Morning38°feels 33°
Afternoon43°feels 39°
Evening44°feels 40°
Overnight35°feels 30°
47 °
Herndon, Saturday, 14 November
Mostly clear. High 47°, low 32°.
Pressure30.06 inHg
Wind8.8 mph NW
Humidity48%
Visibility—
Dew point23°
Sun, 1551° / 31°0
Morning35°feels 30°
Afternoon45°feels 39°
Evening49°feels 45°
Overnight39°feels 35°
51 °
Herndon, Sunday, 15 November
Clear. High 51°, low 31°.
Pressure30.30 inHg
Wind11.2 mph NW
Humidity51%
Visibility—
Dew point25°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Herndon, VA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.