10-day forecast for Herndon, GA: 49° to 80°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Saturday, November 7
80° · 0.35 in
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 0480° / 66°0.26
Morning68°feels 69°
Afternoon80°feels 80°
Evening69°feels 70°
Overnight67°feels 67°
80 °
Herndon, Wednesday, 4 November
Rain. High 80°, low 66°.
Pressure30.00 inHg
Wind12.2 mph SE
Humidity66%
Visibility6.2 mi
Dew point67°
Thu, 0580° / 67°0.35
Morning69°feels 70°
Afternoon79°feels 79°
Evening70°feels 71°
Overnight67°feels 69°
80 °
Herndon, Thursday, 5 November
Rain. High 80°, low 67°.
Pressure29.94 inHg
Wind4.7 mph SW
Humidity85%
Visibility5.4 mi
Dew point69°
Fri, 0679° / 64°0.14
Morning67°feels 69°
Afternoon78°feels 79°
Evening67°feels 67°
Overnight67°feels 68°
79 °
Herndon, Friday, 6 November
Light rain. High 79°, low 64°.
Pressure29.88 inHg
Wind6.2 mph W
Humidity73%
Visibility6.2 mi
Dew point67°
Sat, 0774° / 53°0
Morning57°feels 56°
Afternoon73°feels 73°
Evening62°feels 62°
Overnight59°feels 58°
74 °
Herndon, Saturday, 7 November
Partly cloudy. High 74°, low 53°.
Pressure29.94 inHg
Wind5.2 mph NW
Humidity58%
Visibility6.2 mi
Dew point55°
Sun, 0872° / 53°0
Morning58°feels 58°
Afternoon70°feels 69°
Evening62°feels 61°
Overnight59°feels 58°
72 °
Herndon, Sunday, 8 November
Overcast. High 72°, low 53°.
Pressure29.97 inHg
Wind7 mph E
Humidity54%
Visibility—
Dew point52°
Mon, 0971° / 53°0
Morning58°feels 57°
Afternoon69°feels 68°
Evening59°feels 57°
Overnight56°feels 53°
71 °
Herndon, Monday, 9 November
Mostly clear. High 71°, low 53°.
Pressure30.12 inHg
Wind7.9 mph NE
Humidity34%
Visibility—
Dew point39°
Tue, 1073° / 49°0
Morning56°feels 54°
Afternoon71°feels 69°
Evening60°feels 58°
Overnight56°feels 53°
73 °
Herndon, Tuesday, 10 November
Clear. High 73°, low 49°.
Pressure30.15 inHg
Wind6 mph N
Humidity20%
Visibility—
Dew point27°
Wed, 1173° / 51°0
Morning57°feels 55°
Afternoon72°feels 70°
Evening62°feels 60°
Overnight57°feels 55°
73 °
Herndon, Wednesday, 11 November
Overcast. High 73°, low 51°.
Pressure30.06 inHg
Wind3.5 mph SE
Humidity29%
Visibility—
Dew point36°
Thu, 1273° / 53°0
Morning59°feels 56°
Afternoon71°feels 69°
Evening63°feels 61°
Overnight62°feels 60°
73 °
Herndon, Thursday, 12 November
Overcast. High 73°, low 53°.
Pressure29.97 inHg
Wind3.6 mph S
Humidity27%
Visibility—
Dew point34°
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.