10-day forecast for Herndon, GA: 42° 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
57°
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0679° / 63°0.15
Morning66°feels 67°
Afternoon79°feels 79°
Evening66°feels 65°
Overnight69°feels 70°
79 °
Herndon, Friday, 6 November
Rain. High 79°, low 63°.
Pressure29.91 inHg
Wind5.7 mph W
Humidity59%
Visibility6.2 mi
Dew point64°
Sat, 0772° / 54°0
Morning57°feels 56°
Afternoon72°feels 71°
Evening61°feels 60°
Overnight58°feels 57°
72 °
Herndon, Saturday, 7 November
Mostly clear. High 72°, low 54°.
Pressure30.00 inHg
Wind5.7 mph NE
Humidity56%
Visibility6.2 mi
Dew point53°
Sun, 0869° / 49°0
Morning52°feels 51°
Afternoon69°feels 68°
Evening58°feels 56°
Overnight53°feels 52°
69 °
Herndon, Sunday, 8 November
Clear. High 69°, low 49°.
Pressure30.15 inHg
Wind1.5 mph E
Humidity47%
Visibility6.2 mi
Dew point46°
Mon, 0974° / 49°0
Morning54°feels 52°
Afternoon73°feels 72°
Evening58°feels 56°
Overnight51°feels 50°
74 °
Herndon, Monday, 9 November
Clear. High 74°, low 49°.
Pressure30.15 inHg
Wind3 mph W
Humidity42%
Visibility6.2 mi
Dew point45°
Tue, 1073° / 46°0
Morning54°feels 53°
Afternoon71°feels 69°
Evening59°feels 57°
Overnight55°feels 54°
73 °
Herndon, Tuesday, 10 November
Overcast. High 73°, low 46°.
Pressure30.12 inHg
Wind7.5 mph SW
Humidity34%
Visibility—
Dew point40°
Wed, 1175° / 52°0
Morning59°feels 57°
Afternoon73°feels 71°
Evening62°feels 60°
Overnight57°feels 55°
75 °
Herndon, Wednesday, 11 November
Clear. High 75°, low 52°.
Pressure29.97 inHg
Wind8.6 mph W
Humidity30%
Visibility—
Dew point38°
Thu, 1271° / 51°0
Morning57°feels 55°
Afternoon69°feels 67°
Evening60°feels 58°
Overnight57°feels 55°
71 °
Herndon, Thursday, 12 November
Overcast. High 71°, low 51°.
Pressure29.83 inHg
Wind6.5 mph E
Humidity31%
Visibility—
Dew point36°
Fri, 1369° / 50°0
Morning55°feels 53°
Afternoon67°feels 64°
Evening55°feels 51°
Overnight51°feels 48°
69 °
Herndon, Friday, 13 November
Clear. High 69°, low 50°.
Pressure29.80 inHg
Wind13.3 mph W
Humidity24%
Visibility—
Dew point29°
Sat, 1457° / 42°0
Morning46°feels 41°
Afternoon55°feels 52°
Evening47°feels 43°
Overnight44°feels 38°
57 °
Herndon, Saturday, 14 November
Clear. High 57°, low 42°.
Pressure29.97 inHg
Wind16.1 mph NW
Humidity27%
Visibility—
Dew point21°
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.