10-day forecast for Herndon, GA: 40° to 80°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Tuesday, November 3
80° · 0.2 in
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 0379° / 61°0
Morning64°feels 64°
Afternoon79°feels 79°
Evening70°feels 70°
Overnight63°feels 64°
79 °
Herndon, Tuesday, 3 November
Mostly clear. High 79°, low 61°.
Pressure30.18 inHg
Wind9.2 mph E
Humidity62%
Visibility6.2 mi
Dew point63°
Wed, 0480° / 62°0.02
Morning65°feels 66°
Afternoon79°feels 79°
Evening71°feels 72°
Overnight64°feels 64°
80 °
Herndon, Wednesday, 4 November
Light rain. High 80°, low 62°.
Pressure30.03 inHg
Wind8.2 mph SE
Humidity67%
Visibility6.2 mi
Dew point66°
Thu, 0580° / 65°0.2
Morning68°feels 69°
Afternoon81°feels 84°
Evening70°feels 71°
Overnight66°feels 67°
80 °
Herndon, Thursday, 5 November
Light rain. High 80°, low 65°.
Pressure29.94 inHg
Wind6.3 mph SW
Humidity68%
Visibility6.2 mi
Dew point67°
Fri, 0679° / 64°0.07
Morning69°feels 70°
Afternoon77°feels 77°
Evening68°feels 68°
Overnight68°feels 69°
79 °
Herndon, Friday, 6 November
Light rain. High 79°, low 64°.
Pressure29.85 inHg
Wind6.7 mph W
Humidity70%
Visibility6.2 mi
Dew point65°
Sat, 0776° / 56°0
Morning62°feels 62°
Afternoon75°feels 74°
Evening65°feels 64°
Overnight60°feels 60°
76 °
Herndon, Saturday, 7 November
Overcast. High 76°, low 56°.
Pressure29.91 inHg
Wind6 mph W
Humidity44%
Visibility—
Dew point50°
Sun, 0873° / 52°0
Morning58°feels 56°
Afternoon71°feels 69°
Evening61°feels 58°
Overnight58°feels 56°
73 °
Herndon, Sunday, 8 November
Clear. High 73°, low 52°.
Pressure29.80 inHg
Wind12.6 mph SW
Humidity27%
Visibility—
Dew point34°
Mon, 0963° / 47°0
Morning52°feels 48°
Afternoon61°feels 59°
Evening51°feels 48°
Overnight48°feels 44°
63 °
Herndon, Monday, 9 November
Clear. High 63°, low 47°.
Pressure29.91 inHg
Wind15.9 mph NW
Humidity38%
Visibility—
Dew point35°
Tue, 1069° / 40°0
Morning47°feels 44°
Afternoon64°feels 61°
Evening56°feels 54°
Overnight51°feels 48°
69 °
Herndon, Tuesday, 10 November
Clear. High 69°, low 40°.
Pressure30.09 inHg
Wind9.4 mph NW
Humidity27%
Visibility—
Dew point27°
Wed, 1171° / 46°0
Morning53°feels 51°
Afternoon69°feels 67°
Evening61°feels 58°
Overnight57°feels 55°
71 °
Herndon, Wednesday, 11 November
Mostly clear. High 71°, low 46°.
Pressure30.15 inHg
Wind6.6 mph W
Humidity32%
Visibility—
Dew point36°
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.