10-day forecast for Herndon, GA: 40° to 80°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Thursday, November 5
80° · 0.15 in
Worst day: Friday, November 6
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0680° / 64°0.15
Morning67°feels 68°
Afternoon80°feels 80°
Evening67°feels 66°
Overnight68°feels 69°
80 °
Herndon, Friday, 6 November
Rain. High 80°, low 64°.
Pressure29.88 inHg
Wind5.7 mph W
Humidity64%
Visibility6.2 mi
Dew point65°
Sat, 0773° / 53°0
Morning57°feels 56°
Afternoon73°feels 72°
Evening62°feels 62°
Overnight59°feels 58°
73 °
Herndon, Saturday, 7 November
Mostly clear. High 73°, low 53°.
Pressure30.00 inHg
Wind4.8 mph NE
Humidity57%
Visibility6.2 mi
Dew point54°
Sun, 0869° / 50°0
Morning53°feels 51°
Afternoon69°feels 68°
Evening57°feels 56°
Overnight54°feels 53°
69 °
Herndon, Sunday, 8 November
Clear. High 69°, low 50°.
Pressure30.15 inHg
Wind2.8 mph NE
Humidity47%
Visibility6.2 mi
Dew point46°
Mon, 0974° / 50°0
Morning54°feels 53°
Afternoon73°feels 72°
Evening58°feels 57°
Overnight51°feels 50°
74 °
Herndon, Monday, 9 November
Clear. High 74°, low 50°.
Pressure30.15 inHg
Wind2.8 mph W
Humidity43%
Visibility6.2 mi
Dew point46°
Tue, 1071° / 48°0.01
Morning55°feels 53°
Afternoon69°feels 68°
Evening62°feels 60°
Overnight55°feels 53°
71 °
Herndon, Tuesday, 10 November
Light rain. High 71°, low 48°.
Pressure30.12 inHg
Wind6.3 mph SW
Humidity42%
Visibility—
Dew point44°
Wed, 1174° / 52°0
Morning58°feels 56°
Afternoon71°feels 70°
Evening64°feels 62°
Overnight59°feels 58°
74 °
Herndon, Wednesday, 11 November
Clear. High 74°, low 52°.
Pressure29.94 inHg
Wind9.5 mph W
Humidity37%
Visibility—
Dew point42°
Thu, 1270° / 56°0
Morning60°feels 58°
Afternoon68°feels 67°
Evening62°feels 61°
Overnight59°feels 58°
70 °
Herndon, Thursday, 12 November
Overcast. High 70°, low 56°.
Pressure29.77 inHg
Wind10.6 mph W
Humidity47%
Visibility—
Dew point47°
Fri, 1367° / 50°0
Morning55°feels 54°
Afternoon65°feels 63°
Evening56°feels 53°
Overnight51°feels 48°
67 °
Herndon, Friday, 13 November
Overcast. High 67°, low 50°.
Pressure29.77 inHg
Wind12.9 mph W
Humidity38%
Visibility—
Dew point38°
Sat, 1460° / 40°0
Morning45°feels 41°
Afternoon57°feels 54°
Evening48°feels 44°
Overnight43°feels 39°
60 °
Herndon, Saturday, 14 November
Clear. High 60°, low 40°.
Pressure29.97 inHg
Wind12.2 mph NW
Humidity30%
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, 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.