10-day forecast for Herndon, GA: 37° 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 8
49°
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0873° / 53°0
Morning55°feels 53°
Afternoon72°feels 71°
Evening57°feels 56°
Overnight55°feels 54°
73 °
Herndon, Sunday, 8 November
Partly cloudy. High 73°, low 53°.
Pressure30.09 inHg
Wind3.1 mph E
Humidity50%
Visibility6.2 mi
Dew point50°
Mon, 0972° / 49°0
Morning51°feels 50°
Afternoon72°feels 70°
Evening58°feels 56°
Overnight52°feels 52°
72 °
Herndon, Monday, 9 November
Clear. High 72°, low 49°.
Pressure30.12 inHg
Wind2.6 mph W
Humidity41%
Visibility6.2 mi
Dew point43°
Tue, 1073° / 47°0
Morning51°feels 50°
Afternoon74°feels 72°
Evening59°feels 58°
Overnight50°feels 49°
73 °
Herndon, Tuesday, 10 November
Overcast. High 73°, low 47°.
Pressure30.15 inHg
Wind3.1 mph S
Humidity40%
Visibility6.2 mi
Dew point46°
Wed, 1171° / 47°0.02
Morning51°feels 50°
Afternoon69°feels 67°
Evening58°feels 57°
Overnight50°feels 49°
71 °
Herndon, Wednesday, 11 November
Light rain. High 71°, low 47°.
Pressure30.00 inHg
Wind4.9 mph W
Humidity49%
Visibility6.2 mi
Dew point47°
Thu, 1271° / 55°0
Morning60°feels 58°
Afternoon69°feels 68°
Evening60°feels 59°
Overnight57°feels 55°
71 °
Herndon, Thursday, 12 November
Clear. High 71°, low 55°.
Pressure29.71 inHg
Wind13.2 mph W
Humidity44%
Visibility—
Dew point46°
Fri, 1355° / 44°0
Morning49°feels 44°
Afternoon49°feels 46°
Evening45°feels 38°
Overnight45°feels 38°
55 °
Herndon, Friday, 13 November
Light rain. High 55°, low 44°.
Pressure29.62 inHg
Wind19 mph W
Humidity56%
Visibility—
Dew point35°
Sat, 1449° / 42°0
Morning43°feels 35°
Afternoon46°feels 39°
Evening45°feels 38°
Overnight42°feels 35°
49 °
Herndon, Saturday, 14 November
Overcast. High 49°, low 42°.
Pressure29.80 inHg
Wind16.3 mph W
Humidity55%
Visibility—
Dew point30°
Sun, 1560° / 37°0
Morning43°feels 39°
Afternoon57°feels 54°
Evening50°feels 47°
Overnight46°feels 45°
60 °
Herndon, Sunday, 15 November
Clear. High 60°, low 37°.
Pressure30.15 inHg
Wind8.1 mph NW
Humidity33%
Visibility—
Dew point27°
Mon, 1668° / 43°0
Morning50°feels 49°
Afternoon65°feels 62°
Evening56°feels 53°
Overnight51°feels 49°
68 °
Herndon, Monday, 16 November
Clear. High 68°, low 43°.
Pressure30.30 inHg
Wind5.5 mph W
Humidity27%
Visibility—
Dew point29°
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.