10-day forecast for Herndon, GA: 33° to 73°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Sunday, November 22
57°
Worst day: Monday, November 16
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1459° / 35°0
Morning41°feels 37°
Afternoon58°feels 56°
Evening46°feels 43°
Overnight39°feels 34°
59 °
Herndon, Saturday, 14 November
Clear. High 59°, low 35°.
Pressure30.12 inHg
Wind4.5 mph N
Humidity43%
Visibility6.2 mi
Dew point34°
Sun, 1557° / 33°0
Morning38°feels 34°
Afternoon56°feels 53°
Evening44°feels 43°
Overnight35°feels 31°
57 °
Herndon, Sunday, 15 November
Partly cloudy. High 57°, low 33°.
Pressure30.36 inHg
Wind4.6 mph NE
Humidity42%
Visibility6.2 mi
Dew point31°
Mon, 1657° / 40°0
Morning42°feels 38°
Afternoon57°feels 55°
Evening49°feels 46°
Overnight41°feels 38°
57 °
Herndon, Monday, 16 November
Overcast. High 57°, low 40°.
Pressure30.47 inHg
Wind7 mph NE
Humidity46%
Visibility6.2 mi
Dew point36°
Tue, 1761° / 45°0
Morning48°feels 44°
Afternoon60°feels 58°
Evening49°feels 46°
Overnight47°feels 43°
61 °
Herndon, Tuesday, 17 November
Clear. High 61°, low 45°.
Pressure30.47 inHg
Wind7 mph NE
Humidity46%
Visibility6.2 mi
Dew point37°
Wed, 1864° / 40°0
Morning46°feels 42°
Afternoon61°feels 59°
Evening51°feels 49°
Overnight46°feels 43°
64 °
Herndon, Wednesday, 18 November
Clear. High 64°, low 40°.
Pressure30.39 inHg
Wind7.2 mph NE
Humidity39%
Visibility—
Dew point35°
Thu, 1969° / 42°0
Morning49°feels 46°
Afternoon66°feels 64°
Evening56°feels 55°
Overnight51°feels 48°
69 °
Herndon, Thursday, 19 November
Partly cloudy. High 69°, low 42°.
Pressure30.39 inHg
Wind7.4 mph N
Humidity37%
Visibility—
Dew point37°
Fri, 2071° / 50°0
Morning56°feels 53°
Afternoon69°feels 68°
Evening59°feels 57°
Overnight56°feels 54°
71 °
Herndon, Friday, 20 November
Overcast. High 71°, low 50°.
Pressure30.27 inHg
Wind13.2 mph NE
Humidity42%
Visibility—
Dew point44°
Sat, 2170° / 53°0
Morning58°feels 56°
Afternoon69°feels 67°
Evening58°feels 57°
Overnight54°feels 53°
70 °
Herndon, Saturday, 21 November
Overcast. High 70°, low 53°.
Pressure30.06 inHg
Wind14.9 mph NE
Humidity47%
Visibility—
Dew point47°
Sun, 2273° / 47°0
Morning54°feels 52°
Afternoon71°feels 69°
Evening58°feels 55°
Overnight51°feels 47°
73 °
Herndon, Sunday, 22 November
Mostly clear. High 73°, low 47°.
Pressure29.88 inHg
Wind14.2 mph W
Humidity38%
Visibility—
Dew point43°
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, GA 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.