10-day forecast for Herndon, GA: 35° to 72°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Thursday, November 12
56°
Worst day: Sunday, November 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1359° / 43°0
Morning47°feels 43°
Afternoon58°feels 56°
Evening46°feels 42°
Overnight49°feels 46°
59 °
Herndon, Friday, 13 November
Clear. High 59°, low 43°.
Pressure29.83 inHg
Wind8.7 mph NW
Humidity45%
Visibility6.2 mi
Dew point36°
Sat, 1458° / 36°0
Morning41°feels 38°
Afternoon58°feels 55°
Evening45°feels 43°
Overnight41°feels 36°
58 °
Herndon, Saturday, 14 November
Mostly clear. High 58°, low 36°.
Pressure30.12 inHg
Wind5.8 mph N
Humidity44%
Visibility6.2 mi
Dew point34°
Sun, 1556° / 35°0
Morning39°feels 35°
Afternoon56°feels 53°
Evening44°feels 42°
Overnight39°feels 35°
56 °
Herndon, Sunday, 15 November
Overcast. High 56°, low 35°.
Pressure30.36 inHg
Wind3.9 mph NE
Humidity42%
Visibility6.2 mi
Dew point31°
Mon, 1656° / 39°0
Morning43°feels 39°
Afternoon56°feels 53°
Evening50°feels 48°
Overnight40°feels 36°
56 °
Herndon, Monday, 16 November
Overcast. High 56°, low 39°.
Pressure30.45 inHg
Wind6.4 mph NE
Humidity50%
Visibility6.2 mi
Dew point36°
Tue, 1760° / 43°0
Morning47°feels 44°
Afternoon58°feels 55°
Evening49°feels 46°
Overnight46°feels 42°
60 °
Herndon, Tuesday, 17 November
Clear. High 60°, low 43°.
Pressure30.42 inHg
Wind8.1 mph NE
Humidity41%
Visibility—
Dew point33°
Wed, 1866° / 42°0
Morning49°feels 45°
Afternoon64°feels 61°
Evening51°feels 49°
Overnight48°feels 45°
66 °
Herndon, Wednesday, 18 November
Clear. High 66°, low 42°.
Pressure30.39 inHg
Wind11.6 mph NE
Humidity28%
Visibility—
Dew point29°
Thu, 1972° / 48°0
Morning55°feels 52°
Afternoon70°feels 68°
Evening57°feels 55°
Overnight53°feels 51°
72 °
Herndon, Thursday, 19 November
Partly cloudy. High 72°, low 48°.
Pressure30.36 inHg
Wind12.7 mph NE
Humidity31%
Visibility—
Dew point37°
Fri, 2071° / 50°0
Morning56°feels 53°
Afternoon69°feels 66°
Evening57°feels 54°
Overnight53°feels 50°
71 °
Herndon, Friday, 20 November
Overcast. High 71°, low 50°.
Pressure30.33 inHg
Wind8.2 mph NE
Humidity26%
Visibility—
Dew point32°
Sat, 2172° / 47°0
Morning54°feels 51°
Afternoon69°feels 67°
Evening58°feels 55°
Overnight52°feels 49°
72 °
Herndon, Saturday, 21 November
Overcast. High 72°, low 47°.
Pressure30.33 inHg
Wind10.3 mph NE
Humidity24%
Visibility—
Dew point30°
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.