10-day forecast for Herndon, GA: 50° to 80°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Tuesday, November 3
67° · 0.33 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0273° / 56°0
Morning59°feels 58°
Afternoon73°feels 73°
Evening69°feels 69°
Overnight57°feels 56°
73 °
Herndon, Monday, 2 November
Overcast. High 73°, low 56°.
Pressure30.27 inHg
Wind8.7 mph NE
Humidity62%
Visibility6.2 mi
Dew point58°
Tue, 0378° / 60°0
Morning61°feels 61°
Afternoon78°feels 78°
Evening68°feels 69°
Overnight62°feels 63°
78 °
Herndon, Tuesday, 3 November
Clear. High 78°, low 60°.
Pressure30.18 inHg
Wind7.7 mph E
Humidity64%
Visibility6.2 mi
Dew point62°
Wed, 0480° / 62°0.04
Morning64°feels 65°
Afternoon80°feels 80°
Evening71°feels 71°
Overnight63°feels 63°
80 °
Herndon, Wednesday, 4 November
Light rain. High 80°, low 62°.
Pressure30.00 inHg
Wind8 mph SE
Humidity66%
Visibility5.3 mi
Dew point66°
Thu, 0578° / 65°0.06
Morning67°feels 68°
Afternoon77°feels 78°
Evening69°feels 71°
Overnight66°feels 67°
78 °
Herndon, Thursday, 5 November
Light rain. High 78°, low 65°.
Pressure29.88 inHg
Wind5 mph SW
Humidity77%
Visibility6.2 mi
Dew point68°
Fri, 0677° / 60°0
Morning66°feels 66°
Afternoon75°feels 74°
Evening64°feels 62°
Overnight61°feels 60°
77 °
Herndon, Friday, 6 November
Overcast. High 77°, low 60°.
Pressure29.83 inHg
Wind6.4 mph W
Humidity39%
Visibility—
Dew point49°
Sat, 0773° / 57°0
Morning62°feels 61°
Afternoon72°feels 71°
Evening64°feels 62°
Overnight60°feels 58°
73 °
Herndon, Saturday, 7 November
Clear. High 73°, low 57°.
Pressure29.83 inHg
Wind10.2 mph W
Humidity45%
Visibility—
Dew point49°
Sun, 0872° / 51°0
Morning57°feels 56°
Afternoon70°feels 68°
Evening62°feels 60°
Overnight58°feels 56°
72 °
Herndon, Sunday, 8 November
Clear. High 72°, low 51°.
Pressure29.88 inHg
Wind13 mph W
Humidity33%
Visibility—
Dew point38°
Mon, 0972° / 50°0
Morning56°feels 54°
Afternoon70°feels 68°
Evening61°feels 58°
Overnight56°feels 54°
72 °
Herndon, Monday, 9 November
Clear. High 72°, low 50°.
Pressure30.00 inHg
Wind12.5 mph NW
Humidity25%
Visibility—
Dew point32°
Tue, 1073° / 50°0
Morning56°feels 54°
Afternoon70°feels 69°
Evening63°feels 61°
Overnight59°feels 57°
73 °
Herndon, Tuesday, 10 November
Clear. High 73°, low 50°.
Pressure30.15 inHg
Wind7.2 mph NW
Humidity31%
Visibility—
Dew point37°
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.